{"title":"VHM","description":"\u003cp\u003eVHM 2-stroke performance parts: gold cylinder heads with exchangeable combustion chamber inserts, inserts, pistons, crankshafts and conrods, CDI units and carbon air intakes.\u003c\/p\u003e","products":[{"product_id":"vhm-honda-cr250r-92-01-cylinder-head","title":"VHM Honda CR250R 92-01 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33003), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHonda: CR250R 92-01\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32020-G (1992 - 1996, Dome piston), AE32020-B (1997 - 2001, Flat top piston)\u003c\/li\u003e\n\u003cli\u003eReplacement head O-ring kit: SK33003\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522025914609,"sku":"SER-VHM-AA33003","price":607.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52164_1.jpg?v=1794689601"},{"product_id":"vhm-suzuki-rm80-rm85-98-17-cylinder-head","title":"VHM Suzuki RM80 \/ RM85 98-17 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33009), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSuzuki: RM80 98-01, RM85 02-17\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32014-C (1998), AE32014-K (1999), AE32014-O (2000 - 2017)\u003c\/li\u003e\n\u003cli\u003eReplacement head O-ring kit: SK33009\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522025947377,"sku":"SER-VHM-AA33009","price":427.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52165_1.jpg?v=1794689602"},{"product_id":"vhm-suzuki-rm250-96-00-cylinder-head","title":"VHM Suzuki RM250 96-00 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33014), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSuzuki: RM250 96-00\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32024-E (1996, 1997, 1999) and AE32037-F (1998, 2000)\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522026995953,"sku":"SER-VHM-AA33014","price":607.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/58704_1.jpg?v=1794689604"},{"product_id":"vhm-yamaha-yz125-01-04-cylinder-head","title":"VHM Yamaha YZ125 01-04 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33032), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eYamaha: YZ125 01-04\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32046-L For YZ144 there's no VHM standard insert, but we can produce a custom insert to your specifications to match the head on your bike, or you can machine yourself with the blind insert AE32046-A.\u003c\/li\u003e\n\u003cli\u003eReplacement head O-ring kit: SK33077\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522027028721,"sku":"SER-VHM-AA33032","price":470.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52166_1.jpg?v=1794689605"},{"product_id":"vhm-suzuki-rm250-01-08-cylinder-head","title":"VHM Suzuki RM250 01-08 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33038), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSuzuki: RM250 01-08\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32053-E (2001 - 2002), AE32053-H (2003 - 2008)\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522027061489,"sku":"SER-VHM-AA33038","price":561.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52167_1.jpg?v=1794689607"},{"product_id":"vhm-yamaha-yz85-02-18-cylinder-head","title":"VHM Yamaha YZ85 02-18 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33041), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eYamaha: YZ85 02-18\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32059-H (8.20cc) is listed for this head\u003c\/li\u003e\n\u003cli\u003eReplacement head O-ring kit: SK33041\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522027094257,"sku":"SER-VHM-AA33041","price":427.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52168_1.jpg?v=1794689608"},{"product_id":"vhm-honda-cr250r-02-04-cylinder-head","title":"VHM Honda CR250R 02-04 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33042), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHonda: CR250R 02-04\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32060-K\u003c\/li\u003e\n\u003cli\u003eReplacement head O-ring kit: SK33042\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522027159793,"sku":"SER-VHM-AA33042","price":607.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52169_1.jpg?v=1794689609"},{"product_id":"vhm-kawasaki-kx125-03-08-cylinder-head","title":"VHM Kawasaki KX125 03-08 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33043), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKawasaki: KX125 03-08\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32061-G (2003), AE32061-F (2004 - 2008)\u003c\/li\u003e\n\u003cli\u003eReplacement head O-ring kit: SK33043\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522027192561,"sku":"SER-VHM-AA33043","price":470.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52170_1.jpg?v=1794689610"},{"product_id":"vhm-ktm-200-sx-exc-03-16-cylinder-head","title":"VHM KTM 200 SX \/ EXC 03-16 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33046), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKTM: 200 SX 03-04, 200 EXC 03-16\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32063-E (for 200SX), AE32063-F (for 200EXC) *Updated head model since 12-06-2020\u003c\/li\u003e\n\u003cli\u003eReplacement head O-ring kit: SK33000\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522027225329,"sku":"SER-VHM-AA33046","price":583.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52171_1.jpg?v=1794689611"},{"product_id":"vhm-ktm-125-sx-exc-02-06-cylinder-head","title":"VHM KTM 125 SX \/ EXC 02-06 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33049), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKTM: 125 SX 02-06, 125 EXC 02-06\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32065-L *Updated head model since 26-01-2021\u003c\/li\u003e\n\u003cli\u003eReplacement head O-ring kit: SK33049\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522027258097,"sku":"SER-VHM-AA33049","price":470.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52172_1.jpg?v=1794689613"},{"product_id":"vhm-ktm-250-sx-03-06-cylinder-head","title":"VHM KTM 250 SX 03-06 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33053), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKTM: 250 SX 03-06\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32068-F is listed for this head\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522027290865,"sku":"SER-VHM-AA33053","price":561.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/59841_1.jpg?v=1794689614"},{"product_id":"vhm-honda-cr125r-00-04-cylinder-head","title":"VHM Honda CR125R 00-04 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33055), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHonda: CR125R 00-04\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32058-E (2000 - 2002, Flat top piston), AE32070-F (2003, Flat top piston), AE32070-K (2004, Dome piston)\u003c\/li\u003e\n\u003cli\u003eReplacement head O-ring kit: SK33024\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522027356401,"sku":"SER-VHM-AA33055","price":493.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52173_1.jpg?v=1794689615"},{"product_id":"vhm-honda-cr85r-03-07-cylinder-head","title":"VHM Honda CR85R 03-07 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33057), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHonda: CR85R 03-07\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32071-E (2003), AE32071-L (2004), AE32071-O (2005 - 2007)\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522027389169,"sku":"SER-VHM-AA33057","price":427.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52174_1.jpg?v=1794689617"},{"product_id":"vhm-ktm-85-sx-04-12-cylinder-head","title":"VHM KTM 85 SX 04-12 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33068), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKTM: 85 SX 04-12\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32087-H (for OEM piston), AE32087-112 (for 12° VHM piston APKT08521707)\u003c\/li\u003e\n\u003cli\u003eReplacement head O-ring kit: SK33068\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522027454705,"sku":"SER-VHM-AA33068","price":427.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52175_1.jpg?v=1794689619"},{"product_id":"vhm-kawasaki-kx250-05-08-cylinder-head","title":"VHM Kawasaki KX250 05-08 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33075), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKawasaki: KX250 05-08\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32098-E\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522027520241,"sku":"SER-VHM-AA33075","price":561.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52176_1.jpg?v=1794689620"},{"product_id":"vhm-yamaha-yz125-05-21-cylinder-head","title":"VHM Yamaha YZ125 05-21 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33077), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eYamaha: YZ125 05-21\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32100-E (YZ125 \/ XX125), AE32100-F (XE125) For YZ144 there's no VHM standard insert, but we can produce a custom insert to your specifications to match the head on your bike, or you can machine yourself with the blind insert AE32100-A.\u003c\/li\u003e\n\u003cli\u003eReplacement head O-ring kit: SK33077\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522027553009,"sku":"SER-VHM-AA33077","price":470.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52177_1.jpg?v=1794689622"},{"product_id":"vhm-suzuki-rm125-96-08-cylinder-head","title":"VHM Suzuki RM125 96-08 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33078), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSuzuki: RM125 96-08\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: for RM125: AE32088-003 (1996 - 2000, 2003, Dome piston), AE32088-019 (2001 - 2002, Flat top piston), AE32088-F (2004, Flat top piston), AE32101-E (2005 - 2008, Flat top piston) For RM144 there's no VHM standard insert, but we can produce a custom insert to your specifications to match the head on your bike, or you can machine yourself with the blind insert AE32088-A.\u003c\/li\u003e\n\u003cli\u003eReplacement head O-ring kit: SK33078\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522027585777,"sku":"SER-VHM-AA33078","price":470.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52178_1.jpg?v=1794689623"},{"product_id":"vhm-yamaha-yz250-99-22-yz250x-16-22-cylinder-head","title":"VHM Yamaha YZ250 99-22 \/ YZ250X 16-22 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33080), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eYamaha: YZ250 99-22, YZ250X 16-22\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32021-B (YZ250), AE32021-092 (YZ250X)\u003c\/li\u003e\n\u003cli\u003eReplacement head O-ring kit: SK33080\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522027651313,"sku":"SER-VHM-AA33080","price":561.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52179_1.jpg?v=1794689624"},{"product_id":"vhm-honda-cr125r-05-07-cylinder-head","title":"VHM Honda CR125R 05-07 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33083), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHonda: CR125R 05-07\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32104-C\u003c\/li\u003e\n\u003cli\u003eReplacement head O-ring kit: SK33024\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522027684081,"sku":"SER-VHM-AA33083","price":493.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52180_1.jpg?v=1794689625"},{"product_id":"vhm-honda-cr250r-05-07-cylinder-head","title":"VHM Honda CR250R 05-07 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33084), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHonda: CR250R 05-07\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32106-C\u003c\/li\u003e\n\u003cli\u003eReplacement head O-ring kit: SK33084\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522027749617,"sku":"SER-VHM-AA33084","price":607.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52181_1.jpg?v=1794689626"},{"product_id":"vhm-ktm-125-sx-exc-07-15-husqvarna-tc125-14-15-cylinder-head","title":"VHM KTM 125 SX \/ EXC 07-15 \/ Husqvarna TC125 14-15 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33097), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKTM: 125 SX 07-15, 125 EXC 07-15\u003c\/li\u003e\n\u003cli\u003eHusaberg: TE125 12-14\u003c\/li\u003e\n\u003cli\u003eHusqvarna: TC125 14-15, TE125 15-16\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32128-E (2007 - 2012 125SX), AE32128-F (2007 - 2012 125EXC), AE32128-K (2013 - 2015 125SX), AE32128-L (2013 - 2015 125EXC), AE32128-048 (2013 - 2015 for 12° piston APKT12511673)\u003c\/li\u003e\n\u003cli\u003eReplacement head O-ring kit: SK33097\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522027782385,"sku":"SER-VHM-AA33097","price":470.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52182_1.jpg?v=1794689628"},{"product_id":"vhm-ktm-144-sx-07-08-150-sx-09-15-cylinder-head","title":"VHM KTM 144 SX 07-08 \/ 150 SX 09-15 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33103), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKTM: 144 SX 07-08, 150 SX 09-15, 150 XC 14-15\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32150-E\u003c\/li\u003e\n\u003cli\u003eReplacement head O-ring kit: SK33097\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522027847921,"sku":"SER-VHM-AA33103","price":470.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52184_1.jpg?v=1794689630"},{"product_id":"vhm-ktm-300-sx-exc-08-16-husqvarna-te300-14-16-cylinder-head","title":"VHM KTM 300 SX \/ EXC 08-16 \/ Husqvarna TE300 14-16 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33109), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKTM: 300 SX 08-16, 300 EXC 08-16\u003c\/li\u003e\n\u003cli\u003eHusaberg: TE300 11-14\u003c\/li\u003e\n\u003cli\u003eHusqvarna: TE300 14-16\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32160-H (300SX \/ TC300), AE32160-E (300EXC \/ TE300)\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522027880689,"sku":"SER-VHM-AA33109","price":561.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52185_1.jpg?v=1794689632"},{"product_id":"vhm-ktm-65-sx-09-23-husqvarna-tc65-17-23-gasgas-mc65-21-23-cylinder-head","title":"VHM KTM 65 SX 09-23 \/ Husqvarna TC65 17-23 \/ GasGas MC65 21-23 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33112), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKTM: 65 SX 09-23\u003c\/li\u003e\n\u003cli\u003eHusqvarna: TC65 17-23\u003c\/li\u003e\n\u003cli\u003eGasGas: MC65 21-23\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32167-C (2009 - 2012), AE32167-H (2013 - 2022), AE32167-059 (2009 - 2022 for 12° VHM piston APKT06521722)\u003c\/li\u003e\n\u003cli\u003eReplacement head O-ring kit: SK33112\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522027913457,"sku":"SER-VHM-AA33112","price":427.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52186_1.jpg?v=1794689633"},{"product_id":"vhm-ktm-50-sx-09-23-husqvarna-tc50-17-23-gasgas-mc50-21-23-cylinder-head","title":"VHM KTM 50 SX 09-23 \/ Husqvarna TC50 17-23 \/ GasGas MC50 21-23 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33114), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKTM: 50 SX 09-23\u003c\/li\u003e\n\u003cli\u003eHusqvarna: TC50 17-23\u003c\/li\u003e\n\u003cli\u003eGasGas: MC50 21-23\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32170-E\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522027978993,"sku":"SER-VHM-AA33114","price":427.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52187_1.jpg?v=1794689635"},{"product_id":"vhm-ktm-85-sx-13-17-husqvarna-tc85-14-17-cylinder-head","title":"VHM KTM 85 SX 13-17 \/ Husqvarna TC85 14-17 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33145), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKTM: 85 SX 13-17\u003c\/li\u003e\n\u003cli\u003eHusqvarna: TC85 14-17\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32226-E (for OEM piston), AE32226-056 (for 12° VHM piston APKT08521707)\u003c\/li\u003e\n\u003cli\u003eReplacement head O-ring kit: SK33145\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522028044529,"sku":"SER-VHM-AA33145","price":427.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52188_1.jpg?v=1794689637"},{"product_id":"vhm-kawasaki-kx85-00-25-cylinder-head","title":"VHM Kawasaki KX85 00-25 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33151), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKawasaki: KX85 01-25\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32240-E\u003c\/li\u003e\n\u003cli\u003eReplacement head O-ring kit: SK33151\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522028077297,"sku":"SER-VHM-AA33151","price":427.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52189_1.jpg?v=1794689638"},{"product_id":"vhm-honda-cr125r-87-99-cylinder-head","title":"VHM Honda CR125R 87-99 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33155), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHonda: CR125R 87-99\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32256-L (1990 - 1991 dome piston), AE32256-E (1992 - 1999 flat top piston)\u003c\/li\u003e\n\u003cli\u003eReplacement head O-ring kit: SK33025\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522028110065,"sku":"SER-VHM-AA33155","price":516.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52190_1.jpg?v=1794689640"},{"product_id":"vhm-ktm-125-sx-husqvarna-tc125-16-22-gasgas-mc125-21-23-cylinder-head","title":"VHM KTM 125 SX \/ Husqvarna TC125 16-22 \/ GasGas MC125 21-23 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33156), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKTM: 125 SX 16-22\u003c\/li\u003e\n\u003cli\u003eHusqvarna: TC125 16-22, TX125 17-19\u003c\/li\u003e\n\u003cli\u003eGasGas: MC125 21-23\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32257-E (for OEM piston), AE32257-026 (for 12° VHM piston APKT12511673)\u003c\/li\u003e\n\u003cli\u003eReplacement head O-ring kit: SK33156\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522028175601,"sku":"SER-VHM-AA33156","price":470.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52191_1.jpg?v=1794689641"},{"product_id":"vhm-ktm-150-sx-16-22-husqvarna-te150-17-19-cylinder-head","title":"VHM KTM 150 SX 16-22 \/ Husqvarna TE150 17-19 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33157), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKTM: 150 SX 16-22\u003c\/li\u003e\n\u003cli\u003eHusqvarna: TE150 17-19\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32260-E\u003c\/li\u003e\n\u003cli\u003eReplacement head O-ring kit: SK33157\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522028208369,"sku":"SER-VHM-AA33157","price":470.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52192_1.jpg?v=1794689642"},{"product_id":"vhm-ktm-250-sx-husqvarna-tc250-17-22-gasgas-mc250-22-23-cylinder-head","title":"VHM KTM 250 SX \/ Husqvarna TC250 17-22 \/ GasGas MC250 22-23 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33166), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKTM: 250 SX 17-22, 250 EXC 17\u003c\/li\u003e\n\u003cli\u003eHusqvarna: TC250 17-22, TE250 17\u003c\/li\u003e\n\u003cli\u003eGasGas: MC250 22-23\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32272-E (250SX with OEM piston), AE32272-T (250EXC with OEM piston), AE32272-024 (for 12° VHM piston APKT25021754)\u003c\/li\u003e\n\u003cli\u003eReplacement head O-ring kit: SK33098\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522028241137,"sku":"SER-VHM-AA33166","price":561.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52193_1.jpg?v=1794689644"},{"product_id":"vhm-ktm-300-sx-17-22-300-exc-17-18-husqvarna-te300-tx300-17-18-cylinder-head","title":"VHM KTM 300 SX 17-22 \/ 300 EXC 17-18 \/ Husqvarna TE300 \/ TX300 17-18 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33167), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKTM: 300 SX 17-22, 300 EXC 17-18\u003c\/li\u003e\n\u003cli\u003eHusqvarna: TE300 17-18, TX300 17-18\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32274-E (300EXC \/ TE300), AE32274-B (300SX \/ TC300)\u003c\/li\u003e\n\u003cli\u003eReplacement head O-ring kit: SK33167\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522028273905,"sku":"SER-VHM-AA33167","price":561.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52194_1.jpg?v=1794689645"},{"product_id":"vhm-ktm-85-sx-husqvarna-tc85-18-24-gasgas-mc85-21-24-cylinder-head","title":"VHM KTM 85 SX \/ Husqvarna TC85 18-24 \/ GasGas MC85 21-24 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33171), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKTM: 85 SX 18-24\u003c\/li\u003e\n\u003cli\u003eHusqvarna: TC85 18-24\u003c\/li\u003e\n\u003cli\u003eGasGas: MC85 21-24\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32281-E (for OEM piston), AE32281-013 (for 12° VHM piston APKT08521707)\u003c\/li\u003e\n\u003cli\u003eReplacement head O-ring kit: SK33145\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522028306673,"sku":"SER-VHM-AA33171","price":427.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52195_1.jpg?v=1794689646"},{"product_id":"vhm-ktm-300-exc-tpi-18-23-husqvarna-te300i-18-22-gasgas-ec300-21-23-cylinder-head","title":"VHM KTM 300 EXC TPI 18-23 \/ Husqvarna TE300i 18-22 \/ GasGas EC300 21-23 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33172), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKTM: 300 EXC TPI 18-22, 300 EXC 23\u003c\/li\u003e\n\u003cli\u003eHusqvarna: TE300i 18-22\u003c\/li\u003e\n\u003cli\u003eGasGas: EC300 21-23\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32274-F; special insert AE32274-031 with base gasket DA31247 for deep sand tracks AE32274-035 with base gasket DA31247 for hard grounds\u003c\/li\u003e\n\u003cli\u003eReplacement head O-ring kit: SK33167\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522028339441,"sku":"SER-VHM-AA33172","price":561.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52196_1.jpg?v=1794689647"},{"product_id":"vhm-yamaha-yz65-18-25-cylinder-head","title":"VHM Yamaha YZ65 18-25 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33174), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eYamaha: YZ65 18-25\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32285-E\u003c\/li\u003e\n\u003cli\u003eReplacement head O-ring kit: SK33174\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522028372209,"sku":"SER-VHM-AA33174","price":427.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52197_1.jpg?v=1794689648"},{"product_id":"vhm-ktm-250-exc-tpi-18-23-husqvarna-te250i-18-22-gasgas-ec250-21-23-cylinder-head","title":"VHM KTM 250 EXC TPI 18-23 \/ Husqvarna TE250i 18-22 \/ GasGas EC250 21-23 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33175), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKTM: 250 EXC TPI 18-22, 250 EXC 23, 250 XC TPI 20-22\u003c\/li\u003e\n\u003cli\u003eHusqvarna: TE250i 18-22, TE250 23\u003c\/li\u003e\n\u003cli\u003eGasGas: EC250 21-23\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32272-T; special insert AE32272-080 with base gasket DA31247\u003c\/li\u003e\n\u003cli\u003eReplacement head O-ring kit: SK33098\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522028404977,"sku":"SER-VHM-AA33175","price":561.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52198_1.jpg?v=1794689650"},{"product_id":"vhm-yamaha-yz85-19-25-cylinder-head","title":"VHM Yamaha YZ85 19-25 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33176), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eYamaha: YZ85 19-25\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32286-E (for OEM piston), AE32286-029 (for 12° VHM piston APYZ08521757)\u003c\/li\u003e\n\u003cli\u003eReplacement head O-ring kit: SK33041\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522028437745,"sku":"SER-VHM-AA33176","price":427.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52199_1.jpg?v=1794689651"},{"product_id":"vhm-ktm-105-sx-husqvarna-tc105-18-24-105cc-conversion-cylinder-head","title":"VHM KTM 105 SX \/ Husqvarna TC105 18-24 (105cc Conversion) Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33177), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKTM: 105 SX (85 SX converted to 105cc) 18-24\u003c\/li\u003e\n\u003cli\u003eHusqvarna: TC105 (TC85 converted to 105cc) 18-24\u003c\/li\u003e\n\u003cli\u003eGasGas: MC105 (MC85 converted to 105cc) 21-24\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32288-C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eMade for an 85cc engine that has been converted to 105cc with a big-bore kit. It is not for a standard 85cc engine.\u003c\/em\u003e\u003c\/p\u003e","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522028470513,"sku":"SER-VHM-AA33177","price":449.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52200_1.jpg?v=1794689653"},{"product_id":"vhm-ktm-150-exc-tpi-20-23-husqvarna-te150i-20-22-cylinder-head","title":"VHM KTM 150 EXC TPI 20-23 \/ Husqvarna TE150i 20-22 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33185), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKTM: 150 EXC TPI 20-22, 150 EXC 23\u003c\/li\u003e\n\u003cli\u003eHusqvarna: TE150i 20-22\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32298-E\u003c\/li\u003e\n\u003cli\u003eReplacement head O-ring kit: SK33157\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522028503281,"sku":"SER-VHM-AA33185","price":470.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52201_1.jpg?v=1794689654"},{"product_id":"vhm-kawasaki-kx125-98-02-cylinder-head","title":"VHM Kawasaki KX125 98-02 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33189), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKawasaki: KX125 98-02\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32306-C (1998-2000) and AE32306-L (2001-2002) are listed for this head\u003c\/li\u003e\n\u003cli\u003eReplacement head O-ring kit: SK33002\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522028634353,"sku":"SER-VHM-AA33189","price":470.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52203_1.jpg?v=1794689656"},{"product_id":"vhm-kawasaki-kx500-89-04-cylinder-head","title":"VHM Kawasaki KX500 89-04 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33193), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKawasaki: KX500 89-04\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32310-E (45.00cc) and AE32310-F (47.00cc) are listed for this head\u003c\/li\u003e\n\u003cli\u003eReplacement head O-ring kit: SK33193\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522028667121,"sku":"SER-VHM-AA33193","price":1053.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52204_1.jpg?v=1794689658"},{"product_id":"vhm-honda-cr500r-89-01-cylinder-head","title":"VHM Honda CR500R 89-01 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33200), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings. It has a decompression valve for easier starting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHonda: CR500R 89-01\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32319-C\u003c\/li\u003e\n\u003cli\u003eReplacement head O-ring kit: SK33200\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522028699889,"sku":"SER-VHM-AA33200","price":1053.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52205_1.jpg?v=1794689659"},{"product_id":"vhm-yamaha-yz125-22-25-cylinder-head","title":"VHM Yamaha YZ125 22-25 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33203), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eYamaha: YZ125 22-25\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32327-E (for hard ground tracks), AE32327-F (for deep sand tracks)\u003c\/li\u003e\n\u003cli\u003eReplacement head O-ring kit: SK33077\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522028732657,"sku":"SER-VHM-AA33203","price":470.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52206_1.jpg?v=1794689660"},{"product_id":"vhm-ktm-125-sx-husqvarna-tc125-23-26-gasgas-mc125-24-26-cylinder-head","title":"VHM KTM 125 SX \/ Husqvarna TC125 23-26 \/ GasGas MC125 24-26 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33208), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKTM: 125 SX 23-26\u003c\/li\u003e\n\u003cli\u003eHusqvarna: TC125 23-26\u003c\/li\u003e\n\u003cli\u003eGasGas: MC125 24-26\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32335-E (11.40cc), AE32335-H (12.00cc), AE32335-033 and AE32335-034 are listed for this head\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522028765425,"sku":"SER-VHM-AA33208","price":470.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/54409_1.jpg?v=1794689662"},{"product_id":"vhm-ktm-65-sx-husqvarna-tc65-gasgas-mc65-24-26-cylinder-head","title":"VHM KTM 65 SX \/ Husqvarna TC65 \/ GasGas MC65 24-26 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33217), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKTM: 65 SX 24-26\u003c\/li\u003e\n\u003cli\u003eHusqvarna: TC65 24-26\u003c\/li\u003e\n\u003cli\u003eGasGas: MC65 24-26\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: VHM-AE32353-D VHM-AE32353-011 For 12° piston with OEM cylinder (Base Gasket 0.70mm) VHM-AE32353-021 For 12° piston and raise cylinder 0.20mm (Base Gasket 0.90mm)\u003c\/li\u003e\n\u003cli\u003eReplacement head O-ring kit: SK33217\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522028962033,"sku":"SER-VHM-AA33217","price":427.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/56523_1.jpg?v=1794689668"},{"product_id":"vhm-ktm-85-sx-husqvarna-tc85-gasgas-mc85-25-26-cylinder-head","title":"VHM KTM 85 SX \/ Husqvarna TC85 \/ GasGas MC85 25-26 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33222), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKTM: 85 SX 25-26\u003c\/li\u003e\n\u003cli\u003eHusqvarna: TC85 25-26\u003c\/li\u003e\n\u003cli\u003eGasGas: MC85 25-26\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32361-E (for OEM piston), AE32361-026 (for 12° VHM piston VHM-APKT08521707) Use the insert chart as a general guideline to select the insert depending on the fuel, track and elevation.\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522028994801,"sku":"SER-VHM-AA33222","price":427.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/58657_1.jpg?v=1794689670"},{"product_id":"vhm-beta-rr125-2t-18-24-cylinder-head","title":"VHM Beta RR125 2T 18-24 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33184), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBeta: RR125 2T 18-24\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32297-E (11.00cc) is listed for this head\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522029027569,"sku":"SER-VHM-AA33184","price":470.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/58150_1.jpg?v=1794689671"},{"product_id":"vhm-suzuki-rm85-00-17-cylinder-head-insert","title":"VHM Suzuki RM85 00-17 Cylinder Head Insert","description":"\u003cp\u003eExchangeable combustion chamber insert for VHM cylinder head AA33009. Each insert has a different combustion chamber volume, so the compression and power delivery can be set up for the track, conditions and fuel. The last digits of the part number are engraved on the insert.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSuzuki: RM80 00-01, RM85 02-17\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e8.20cc - AE32014-O (VHM standard)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSmaller volume (higher compression): more bottom-end and mid-range, suits deep sand, needs good fuel to avoid detonation\u003c\/li\u003e\n\u003cli\u003eLarger volume (lower compression): more over-rev and top speed, suits hard-pack\u003c\/li\u003e\n\u003cli\u003eQuick to change at the track\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eFits VHM cylinder heads only, not the OEM head. The head and its O-ring kit are sold separately.\u003c\/em\u003e\u003c\/p\u003e\n","brand":"VHM","offers":[{"title":"8.20cc - AE32014-O (VHM standard)","offer_id":67522029060337,"sku":"SER-VHM-AE32014-O","price":112.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52207_1.jpg?v=1794689672"},{"product_id":"vhm-honda-cr250r-92-01-cylinder-head-insert","title":"VHM Honda CR250R 92-01 Cylinder Head Insert","description":"\u003cp\u003eExchangeable combustion chamber insert for VHM cylinder head AA33003. Each insert has a different combustion chamber volume, so the compression and power delivery can be set up for the track, conditions and fuel. The last digits of the part number are engraved on the insert.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e20.60cc - AE32020-G (VHM standard 1992-96, dome piston): Honda: CR250R 92-96\u003c\/li\u003e\n\u003cli\u003e20.60cc - AE32020-B (VHM standard 1997-01, flat top piston): Honda: CR250R 97-01\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eOPTIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e20.60cc - AE32020-G (VHM standard 1992-96, dome piston)\u003c\/li\u003e\n\u003cli\u003e20.60cc - AE32020-B (VHM standard 1997-01, flat top piston)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSmaller volume (higher compression): more bottom-end and mid-range, suits deep sand, needs good fuel to avoid detonation\u003c\/li\u003e\n\u003cli\u003eLarger volume (lower compression): more over-rev and top speed, suits hard-pack\u003c\/li\u003e\n\u003cli\u003eQuick to change at the track\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eFits VHM cylinder heads only, not the OEM head. The head and its O-ring kit are sold separately.\u003c\/em\u003e\u003c\/p\u003e\n","brand":"VHM","offers":[{"title":"20.60cc - AE32020-G (VHM standard 1992-96, dome piston)","offer_id":67522029093105,"sku":"SER-VHM-AE32020-G","price":112.95,"currency_code":"AUD","in_stock":true},{"title":"20.60cc - AE32020-B (VHM standard 1997-01, flat top piston)","offer_id":67522029125873,"sku":"SER-VHM-AE32020-B","price":112.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52209_1.jpg?v=1794689673"},{"product_id":"vhm-yamaha-yz250-99-22-yz250x-16-22-cylinder-head-insert","title":"VHM Yamaha YZ250 99-22 \/ YZ250X 16-22 Cylinder Head Insert","description":"\u003cp\u003eExchangeable combustion chamber insert for VHM cylinder head AA33080. Each insert has a different combustion chamber volume, so the compression and power delivery can be set up for the track, conditions and fuel. The last digits of the part number are engraved on the insert.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e20.20cc - AE32021-C (higher compression): Yamaha: YZ250 99-22\u003c\/li\u003e\n\u003cli\u003e20.60cc - AE32021-B (VHM standard for YZ250): Yamaha: YZ250 99-22\u003c\/li\u003e\n\u003cli\u003e21.00cc - AE32021-009 (lower compression): Yamaha: YZ250 99-22\u003c\/li\u003e\n\u003cli\u003e21.80cc - AE32021-092 (VHM standard for YZ250X): Yamaha: YZ250X 16-22\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eOPTIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e20.20cc - AE32021-C (higher compression)\u003c\/li\u003e\n\u003cli\u003e20.60cc - AE32021-B (VHM standard for YZ250)\u003c\/li\u003e\n\u003cli\u003e21.00cc - AE32021-009 (lower compression)\u003c\/li\u003e\n\u003cli\u003e21.80cc - AE32021-092 (VHM standard for YZ250X)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSmaller volume (higher compression): more bottom-end and mid-range, suits deep sand, needs good fuel to avoid detonation\u003c\/li\u003e\n\u003cli\u003eLarger volume (lower compression): more over-rev and top speed, suits hard-pack\u003c\/li\u003e\n\u003cli\u003eQuick to change at the track\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eFits VHM cylinder heads only, not the OEM head. The head and its O-ring kit are sold separately.\u003c\/em\u003e\u003c\/p\u003e\n","brand":"VHM","offers":[{"title":"20.20cc - AE32021-C (higher compression)","offer_id":67522029158641,"sku":"SER-VHM-AE32021-C","price":112.95,"currency_code":"AUD","in_stock":true},{"title":"20.60cc - AE32021-B (VHM standard for YZ250)","offer_id":67522029191409,"sku":"SER-VHM-AE32021-B","price":112.95,"currency_code":"AUD","in_stock":true},{"title":"21.00cc - AE32021-009 (lower compression)","offer_id":67522029224177,"sku":"SER-VHM-AE32021-009","price":157.95,"currency_code":"AUD","in_stock":true},{"title":"21.80cc - AE32021-092 (VHM standard for YZ250X)","offer_id":67522029256945,"sku":"SER-VHM-AE32021-092","price":157.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52213_1.jpg?v=1794689675"}],"url":"https:\/\/goldcoastdirtbikeperformance.com.au\/collections\/vhm.oembed?page=6","provider":"Dirt Bike Performance","version":"1.0","type":"link"}