Engine

Manufactured with the worlds highest quality materialsOver 95 years of experienceTest results prove 28% longer service life than OE and leading competitor brandsLower cost with higher quality when compared to OE filter

Engineered to provide the best possible path for combustion chamber heat transfer to the cylinder wallsAll pistons, rings, pins and circlips are manufactured to OEM specificationsAll individual components are interchangeable with original partsPiston...

Ring Sets by Sports Parts Year Make Model 1980-1985YamahaSS4401989-1990YamahaET400TR Enticer LTR1992-1995YamahaET410TR Enticer II LT ...

Top-end gasket sets include all necessary top-end gaskets, O-rings, and valve guide seals to complete a top-end rebuild Year Make Model ...

Vesrah valves are precision manufactured from top-quality materials to match OEM valves exactlySold each Year Make Model ...

Ring Sets by Sports Parts Year Make Model 1985-1988PolarisLongtrak1985-1986PolarisSS1985-1986PolarisTrail1986PolarisTrail...

Engineered to provide the best possible path for combustion chamber heat transfer to the cylinder wallsAll pistons, rings, pins and circlips are manufactured to OEM specificationsAll individual components are interchangeable with original partsPiston...

All KPMI® Black Diamond™ Stainless steel valves are impregnated by a special German process to a depth of .002, with a surface build up of .0002. This Black Diamond™ process improves wear properties, reduces friction, and provides resistance to...

KPMI Guide C630 Year Make Model 2013-2014PolarisRanger 800 EFI2014PolarisRZR 8002014PolarisRZR S 800

BLACK DIAMOND VALVESAll KPMI® Black Diamond™ Stainless steel valves are impregnated by a special German process to a depth of .002, with a surface build up of .0002. This Black Diamond process improves wear properties, reduces friction, and provides...

BLACK DIAMOND VALVESAll KPMI® Black Diamond™ Stainless steel valves are impregnated by a special German process to a depth of .002, with a surface build up of .0002. This Black Diamond process improves wear properties, reduces friction, and provides...

We choose to use the copper based C63000 nickel-aluminumbronze as a material to make our bronze valve guides because of its idealcharacteristics for the application. The 5% nickel content provides superior resistance to wear, and the approximately 80...