{"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","url":"https:\/\/goldcoastdirtbikeperformance.com.au\/products\/vhm-ktm-85-sx-husqvarna-tc85-18-24-gasgas-mc85-21-24-cylinder-head","provider":"Dirt Bike Performance","version":"1.0","type":"link"}