The world famous golden VHM head with exchangeable combustion chamber is specially developed for optimal power output during the whole race and has an improved water duct. It's manufactured from a high quality alloy and O-rings are used for the sealing. Vent screw (M6x6) and small copper washer (BD36006) are included and mounted on the head.

OEM piston
AE32337-B use 110 RON octane fuel
AE32337-C use 105 RON octane fuel
AE32337-D use 102 RON octane fuel
AE32337-E use 98 RON octane fuel, VHM standard
AE32337-F
AE32337-G use 95 RON octane fuel

for 12° VHM piston APKT25021754A1
AE32337-021 use 110 RON octane fuel
AE32337-022 use 105 RON octane fuel
AE32337-023 use 102 RON octane fuel
AE32337-024 use 98 RON octane fuel, VHM standard
AE32337-025
AE32337-026 use 95 RON octane fuel

• More engine power
• Better heat transference
• Exchangeable combustion chambers available

Inserts must be ordered seperately, see complementary parts below.