Prox Valve Stem Seal YZ450F 03-09 + YFZ450R 09-23 YZ250F 14-23 ProX offers a wide range of valve stem seals for the MX, Dirt Bike, Road Bike and ATV segment.The seals are manufactured by the leading...

ProX Friction Plate Set CRF450R 02-10 + CRF450X 05-17 ProX clutch friction are manufactured by the leading OEM factories, mainly in Japan. All friction plates are made to exact OEM specifications and...

ProX Camchain CRF450R 09-16   ProX is offering a wide range of Camchains for the MX, ATV and road bike market. For the supply of the camchains ProX has a successful cooperation with Borg Warner...

ProX Titanium Intake Valve CRF450X 05-17 ProX offers a complete range of high quality Titanium Valves for MX and ATV segment. The ProX Titanium Valves are forged in one piece for extra strength. The...

ProX Steel Intake Valve/Spring Kit CRF450R 09-16 Next to the Titanium valves ProX also offers a complete line of steel valves. The ProX steel valves are manufactured of premium grade steel to exact...

ProX Piston Kit CRF450R 04-08/CRF450X 05-17 12.0:1 (95.97mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is...