ProX Con Rod Kit YZ250F 03-13 + WR250F 03-13 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 made...

ProX Top End Gasket Set YZ250F 01-13 + WR250F 01-13 Prox gaskets are manufactured by high quality factories to ProX specifications to ensure top quality sealing. Precision engineering and the use of...

Engineworx Gasket Kit (Full Set) Yamaha WR250F 03-12 Engineworx Full Gasket Kits are the new leader in OEM replacement engine gasket kits. Kits include all gaskets and oil seals as shown in the...

ProX Ignition Cover Gasket CRF150R 07-24 Ignition Cover Gaskets Next to the high quality Top End & Complete gaskets sets, ProX Racing Parts offers a complete range of ignition cover gaskets.

ProX Front Fork Bushing Kit RM250 03 + WR250F/450F 04 ProX Front Fork bushing kits come as complete replacement kits including guide and slide bushings, copper washers and fork seal snap rings.The...

ProX Steel Intake Valve/Spring Kit YZ250F 01-13 + WR250F 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...