ProX Titanium Intake Valve CRF450R 17-23 + CRF450RX 17-23 Next to the Titanium valves ProX also offers a complete line of steel valves. The ProX steel valves are manufactured of premium grade steel...

Vertex Steel Exhaust Valve CRF450R 13-23/CRF450RX 17-23 Vertex Stainless Steel one-piece valves - the better choice for engine-builders seeking ultimate performance and longevity for their modern 4...

ProX Camchain CRF450R 17-23 + CRF450RX 17-23   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...

ProX Crank Seal Set CRF450R 17-23 + CRF450RX 17-23 ProX offer a wide range of crankshaft oil seals for the MX, ATV and PWC segment. The major part of the crankshaft oil seals are manufactured by the...

ProX Con Rod Kit CRF450R 17-23 + CRF450RX 17-23 One of our core product line, where we became famous with. Our ProX Connecting Rod Kits are made out of the toughest alloys available today and are...