VHM gulltopp SX/TC125 23->

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 AE32335-C use 105 RON octane fuel AE32335-E use 98 RON octane fuel AE32335-H use 95 RON octane fuel for 12° VHM piston APKT12511725A AE32335-031 use 105 RON octane fuel AE32335-033 use 98 RON octane fuel AE32335-036 use 95 RON octane fuel More engine power Better heat transference Exchangeable combustion chambers available