Engine

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 first class materials guarantee the quality you demand...

ProX Top End Gasket Set YZ250F 14-18 + WR250F 15-19 ProX Top End gasket sets offer any gasket you need for a top end rebuild. From head gasket to valve stem seal, it will be in the set. Simple and easy. One part number for your gasket set!

ProX Top End Gasket Set YZ250F 19-23 + WR250F 20-23 ProX Top End gasket sets offer any gasket you need for a top end rebuild. From head gasket to valve stem seal, it will be in the set. Simple and easy. One part number for your gasket set!

ProX Top End Gasket Set YZ450F 03-05 + WR450F 03-06 Prox gaskets are manufactured by high quality factories to ProX specifications to ensure top quality sealing. Precision engineering and the use of first class materials guarantee the quality you demand...

ProX Top End Gasket Set YZ450F 10-13 Prox gaskets are manufactured by high quality factories to ProX specifications to ensure top quality sealing. Precision engineering and the use of first class materials guarantee the quality you demand from a gasket...

ProX Top End Gasket Set YZ450F 18-19 + YZ450FX 19 + WR450F ProX Top End gasket sets offer any gasket you need for a top end rebuild. From head gasket to valve stem seal, it will be in the set. Simple and easy. One part number for your gasket set!

ProX Top End Gasket Set YZ450F 23-24 ProX gaskets are manufactured by high quality factories to ProX specifications to ensure top quality sealing. Precision engineering and the use of first class materials guarantee the quality you demand from a gasket...

ProX Top End Gasket Set YZ65 18-23 ProX Top End gasket sets offer any gasket you need for a top end rebuild. From head gasket to valve stem seal, it will be in the set. Simple and easy. One part number for your gasket set!

ProX Top End Gasket Set YZ80 86-92 Prox gaskets are manufactured by high quality factories to ProX specifications to ensure top quality sealing. Precision engineering and the use of first class materials guarantee the quality you demand from a gasket...

ProX Top End Gasket Set YZ85 02-18 Prox gaskets are manufactured by high quality factories to ProX specifications to ensure top quality sealing. Precision engineering and the use of first class materials guarantee the quality you demand from a gasket...

ProX Top End Gasket Set YZ85 19-23 ProX Top End gasket sets offer any gasket you need for a top end rebuild. From head gasket to valve stem seal, it will be in the set. Simple and easy. One part number for your gasket set!

ProX Top-End Gasket Set Beta 125RR 20-23 TOP END GASKETS ProX Top End gasket sets offer any gasket you need for a top end rebuild. From head gasket to valve stem seal, it will be in the set. Simple and easy. One part number for your gasket set!

ProX Top-End Gasket Set Beta 250RR 22-23 + XTrainer 250 2022 TOP END GASKETS ProX Top End gasket sets offer any gasket you need for a top end rebuild. From head gasket to valve stem seal, it will be in the set. Simple and easy. One part number for your...

ProX Top-End Gasket Set Beta 300RR '13-21 ProX Top End gasket sets offer any gasket you need for a top end rebuild. From head gasket to valve stem seal, it will be in the set. Simple and easy. One part number for your gasket set!

ProX Valve Shim Assortment 250cc 7.48 from 1.20 to 3.50 ProX valve shims are made of premium materials. Specific heat-treatment will ensure hardness of the shims to offer maximum durability and less wear. Next to the specific heat-treatment the shims are...

ProX Valve Shim Assortment 250cc 7.48 from 1.225 to 3.475 ProX valve shims are made of premium materials. Specific heat-treatment will ensure hardness of the shims to offer maximum durability and less wear. Next to the specific heat-treatment the shims...

ProX Valve Shim Assortment 450cc 9.48 from 1.20 to 3.50 ProX valve shims are made of premium materials. Specific heat-treatment will ensure hardness of the shims to offer maximum durability and less wear. Next to the specific heat-treatment the shims are...

ProX Valve Shim Assortment 450cc 9.48 from 1.225 to 3.475 ProX valve shims are made of premium materials. Specific heat-treatment will ensure hardness of the shims to offer maximum durability and less wear. Next to the specific heat-treatment the shims...

ProX Valve Shim Assortment KTM 10.00 from 1.85 to 3.20 ProX valve shims are made of premium materials. Specific heat-treatment will ensure hardness of the shims to offer maximum durability and less wear. Next to the specific heat-treatment the shims are...

ProX Valve Shim Assortment KTM 10.00 from 1.875 to 3.175 ProX valve shims are made of premium materials. Specific heat-treatment will ensure hardness of the shims to offer maximum durability and less wear. Next to the specific heat-treatment the shims...

ProX Valve Shim Assortment KTM 8.90 from 1.72 to 2.60 ProX valve shims are made of premium materials. Specific heat-treatment will ensure hardness of the shims to offer maximum durability and less wear. Next to the specific heat-treatment the shims are...

ProX Valve Stem Seal CRF250R 04-21 + CRF250X 04-17 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 OEM factories in Japan such as NOK and ARS.The seals are produced...

ProX Valve Stem Seal CRF450R 02-08 + TRX400EX/X 99-14 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 OEM factories in Japan such as NOK and ARS.The seals are...

ProX Valve Stem Seal CRF450R 09-23 + CRF450X 05-16 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 OEM factories in Japan such as NOK and ARS.The seals are produced...

ProX Valve Stem Seal KTM250SX-F 06-23 + KTM250EXC-F 07-23 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 OEM factories in Japan such as NOK and ARS.The seals are...

ProX Valve Stem Seal KTM350SX-F 11-22 + KTM350EXC-F 12-22 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 OEM factories in Japan such as NOK and ARS.The seals are...

ProX Valve Stem Seal KTM450SXF 07-22 FC450 14-22 MC450F 21-22 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 OEM factories in Japan such as NOK and ARS.The seals are...

ProX Valve Stem Seal KX250F 04-23 + RM-Z250 04-06 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 OEM factories in Japan such as NOK and ARS.The seals are produced...

ProX Valve Stem Seal KX450F 06-23 + KFX450R 08-14 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 OEM factories in Japan such as NOK and ARS.The seals are produced...

ProX Valve Stem Seal RM-Z250 07-23 + GSX-R1000 05-10 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 OEM factories in Japan such as NOK and ARS.The seals are produced...