VHM KTM 105 SX / Husqvarna TC105 18-24 (105cc Conversion) Cylinder Head Insert

Exchangeable combustion chamber insert for VHM cylinder head AA33177. 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.

FITS

• KTM: 105 SX (85 SX converted to 105cc) 18-24
• Husqvarna: TC105 (TC85 converted to 105cc) 18-24
• GasGas: MC105 (MC85 converted to 105cc) 21-24

OPTIONS

• 9.20cc - AE32288-B
• 9.40cc - AE32288-C (VHM standard)
• 9.60cc - AE32288-E
• 9.80cc - AE32288-F

FEATURES

• Smaller volume (higher compression): more bottom-end and mid-range, suits deep sand, needs good fuel to avoid detonation
• Larger volume (lower compression): more over-rev and top speed, suits hard-pack
• Quick to change at the track

Fits VHM cylinder heads only, not the OEM head. The head and its O-ring kit are sold separately.

Made for an 85cc engine that has been converted to 105cc with a big-bore kit. It is not for a standard 85cc engine.

Flat rate shipping is $15.00 and orders over $149.00 ship free. Bulky products are $50.00 flat rate and are excluded from free shipping.

30 day returns on all non-clearance items, in original unused condition with packaging intact. Sale and clearance items are final sale.

Most stock is held off-site, so in-store pick-up needs to be arranged first — call (04) 2438 8401. Pick-ups are usually ready in 2-3 days.