Volume of head includes spark plug hole and total volume of head with piston at TDC Standard setting unleaded Piston height 0.00mm to the top of the cylinder Volume 12.00 cc Squish clearance 00.70mm Leaded fuel option Piston height 00.00mm to the top of the cylinder Volume 10.60cc Squish clearance 00.70mm
This cylinder head will improve the power output of the sx50 . A must for any rider wishing to be a winner on a KTM SX50. VHM produces exchangeable cylinder heads for two-stroke engines in motorcross and road racing. With the help of experience gained in two-stroke tuning, VHM develops products of high quality.
VHM Gold Exhaust Flange KTM SX65 2009>
This piston is for race use only, 39.46mm The crown on this piston is 1.5mm lower than the standard piston height and as such requires the VHM head with special insert. Comes complete with ring, pin & clips.
VHM CDI KTM 65SX '21-23, TC65 '21-23, MC65 '21-23
VHM Exhaust Flange Husqvarna TC65 2017- 2021
VHM piston height measuring tool 50 -500cc. Dial gauge available separately.
VHM powervalve adjuster with 2 stage spring KTM 65SX 2009 - 2021
VHM powervalve base KTM 65SX 2009 - 2021
VHM piston kit Yamaha YZ85 2019 - 2021 (flat top 12degree)
VHM piston kit Honda RS125 ND4 1984 - 1986 / RS250 ND5 1985 - 1986 (14mm piston pin)
VHM clutch Push rod Honda CRF450R 2009 - 2012 (Aluminium / steel)
VHM insert.
VHM COMBUSTION CHAMBER - HONDA CR85R 2003-2007
VHM Gold Exhaust Flange GAS GAS MC 65 2021
VHM power valve base GAS GAS MC 65 2021
VHM power valve base Husqvarna TC65 2017-2021
VHM powervalve adjuster with 2 stage spring Husqvarna TC65 2017 - 2021
VHM powervalve adjuster with 2 stage spring GAS GAS MC 65 2021
VHM COMBUSTION CHAMBER - APRILIA RS125 123 & 122 ENGINE
VHM COMBUSTION CHAMBER - BETA RR125 & RR125 RACING
This cylinder head will improve the power output of the TC50 . A must for any rider wishing to be a winner on a Husqvarna TC50. VHM produces exchangeable cylinder heads for two-stroke engines in motorcross and road racing. With the help of experience gained in two-stroke tuning, VHM develops products of high quality.
This cylinder head will improve the power output of the MC50 . A must for any rider wishing to be a winner on a GAS GAS MC50. VHM produces exchangeable cylinder heads for two-stroke engines in Motorcross and road racing. With the help of experience gained in two-stroke tuning, VHM develops products of high quality.
VHM COMBUSTION CHAMBER - BETA RR200 RACING
VHM COMBUSTION CHAMBER - BETA RR300
VHM progressive spring & holder for powervalve adjuster (DA1153) KTM 65SX 2009 - 2023 / Husqvarna TC65 2017 - 2022 / GasGas MC65 2021 - 2023
VHM KX/CR500 Decompression Valve
The combustion chamber fits the VHM cylinder head perfectly and is easy to change. The last numbers of the part number are engraved on the insert for identification.
VHM Crankshaft KTM SX65 2024 - Onwards - Middle Inertia
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.
VHM connecting rod is a special lightweight conrod and must be used with the massive big end pin to ensure the best balance factor for minimum engine vibrations. The connecting rod has 20 grams less weight compared to the OEM connecting rod and improves throttle response. Through engine braking, standard big end hole of conrod deforms 0,015-0,02 mm oval, while our VHM conrod only deforms 0,005 mm (due to high strength material). In addition, this conrod is also super finished, which ensures a smooth surface. This helps prevent small fractures in the material. This connecting rod kit inlcudes the conrod, big end pin, big end bearing and washers. Lightweight Less oval deformation High resistance to fractures Improved throttle response
VHM Cylinder Head Sherco SE125 Factory 2022 - Onwards
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