Dirt Bike Engine

Cylinder Works - 09310485 - Cylinder Kit - Big Bore - 68.00 mm - HondaFeaturesCylinders have a nickel silicon carbide cylinder sleeveLook virtually identical to OEM cylindersKit includes cylinder,...

Cometic - 09344538 - Exhaust Gasket - HondaFeatures4-stroke applications utilize a double-sided Viton® rubber-coated stainless steel gasket providing precise, high-temperature sealing capabilities in...

Cometic - 09344252 - Bottom End Gasket Kit with Oil Seals - HondaFeaturesMaterials will vary depending on what is correct and engineered for specified applicationPurchase a top and a bottom end...

Cometic - 09344261 - Top End Gasket Kit - 90 mm - YamahaFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring...

Cometic - 09344477 - Stator Cover Gasket - HondaFeaturesMagneto cover gaskets are made from EST (Extreme Sealing Technology) material instead of fiberSave service time as AFM will not stick to the...

Cylinder Works - 09310582 - Cylinder - 96.00 mm - KawasakiFeaturesNickel silicon carbide-plated for long lifeMade in the U.S.A.Specs

Cometic - 09344128 - Top End Gasket Kit - Gas GasFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring seal for...

Boyesen - 09401457 - Clutch Cover - Black - Gas Gas/Husqvarna/KTMFeaturesLightweight factory clutch covers provide years of outstanding protection; guaranteed not to warpIndividually surfaced for a...

Cylinder Works - 09310600 - Cylinder Kit - Standard Bore - 96.00 mm - KawasakiFeaturesCylinder kit includes matched Vertex pistons to ensure longevity, performance and reduced engine noiseNickel...

Cylinder Works - 09310583 - Cylinder Kit - Standard Bore - 76.80 mm - HondaFeaturesCylinder kit includes matched Vertex pistons to ensure longevity, performance and reduced engine noiseNickel Silicon...

Cylinder Works - 09310579 - Cylinder - 77.00 mm - YamahaFeaturesNickel silicon carbide-plated for long lifeMade in the U.S.A.Specs<

Cometic - 09344513 - Exhaust Gasket - HondaFeatures4-stroke applications utilize a double-sided Viton® rubber-coated stainless steel gasket providing precise, high-temperature sealing capabilities in...

Cylinder Works - 09310598 - Cylinder Kit - Standard Bore - 96.00 MM - KawasakiFeaturesCylinder kit includes matched Vertex pistons to ensure longevity, performance and reduced engine noiseNickel...

Cometic - 09344376 - Clutch Gasket - Kawasaki/SuzukiFeaturesAluminum core gives the gasket strength for a superior seal and prevents the gasket from weeping or crawling out in today's engine cases...

Del West - 09262475 - Valve Spring Retainer - Intake/Exhaust - HondaFeaturesMeets the demands of off-roadSpecsRi

Cometic - 09344504 - Stator Cover Gasket - Kawasaki/SuzukiFeaturesMagneto cover gaskets are made from EST (Extreme Sealing Technology) material instead of fiberSave service time as AFM will not stick...

Cometic - 09344302 - Top End Gasket Set - 57.7 mm - HondaFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring...

Cometic - 09344208 - Top End Gasket Kit - 48.5 mm Stock - KawasakiFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better...

Cometic - 09344463 - Stator Cover Gasket - YamahaFeaturesMagneto cover gaskets are made from EST (Extreme Sealing Technology) material instead of fiberSave service time as AFM will not stick to the...

Cometic - 09344189 - Top End Gasket Kit - Gas Gas/Husqvarna/KTMFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston...

Cylinder Works - 09344052 - Big Bore Gasket Kit - YamahaFeaturesCylinder kit includes matched Vertex pistons to ensure longevity, performance and reduced engine noiseNickel Silicon Carbide plated for...

Cylinder Works - 09310588 - Cylinder Kit - Standard Bore - 77.00 mm YamahaFeaturesCylinder kit includes matched Vertex pistons to ensure longevity, performance and reduced engine noiseNickel Silicon...

Cometic - 09344462 - Clutch Gasket - YamahaFeaturesAluminum core gives the gasket strength for a superior seal and prevents the gasket from weeping or crawling out in today's engine cases with...

Cometic - 09344112 - Exhaust Gasket - Husaberg/KTMFeatures4-stroke applications utilize a double-sided Viton® rubber-coated stainless steel gasket providing precise, high-temperature sealing...

Cylinder Works - 09310603 - Cylinder Kit - Big Bore - 98.00 mm - KawasakiFeaturesCylinders have a nickel silicon carbide cylinder sleeveLook virtually identical to OEM cylindersKit includes cylinder,...

Cylinder Works - 09310596 - Cylinder Kit - Standard Bore - 96.00 mm - KawasakiFeaturesCylinder kit includes matched Vertex pistons to ensure longevity, performance and reduced engine noiseNickel...

Cometic - 09343427 - Top End Gasket Kit - YamahaFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring seal for...

Cylinder Works - 09310584 - Cylinder Kit - High Compression - 76.80 mm - HondaFeaturesCylinder kit comes with matched Vertex pistons to ensure longevity, performance and reduced engine noiseKit...

Cometic - 09344305 - Exhaust Gasket - YamahaFeatures4-stroke applications utilize a double-sided Viton® rubber-coated stainless steel gasket providing precise, high-temperature sealing capabilities...

Cometic - 09344314 - Crank Seal KitFeaturesDomestically made sets include the correct amount of seals for one applicationMade in the U.S.A.Specs

Cometic - 09344304 - Bottom End Gasket Kit with Oil Seals - YamahaFeaturesMaterials will vary depending on what is correct and engineered for specified applicationPurchase a top and a bottom end...

Cometic - 09344186 - Top End Gasket Kit - 48.5 mm - KawasakiFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston...

Cometic - 09344213 - Top End Gasket Kit - 80 mm - YamahaFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring...

Cylinder Works - 09300127 - Cylinder Head Kit - HondaFeaturesInclude cam caps and cam cap boltsInclude C630 (nickel/aluminum/bronze) valve seats and guidesCompetition valve jobShortened valve guides...

Cylinder Works - 09350952 - Power Valve - Standard Bore - YamahaFeaturesCNC-machinedHard anodized finishMade in the USASpecs

Cylinder Works - 09310729 - Cylinder Kit - High Compression - 77.00 mm - KawasakiFeaturesCylinder kit comes with matched Vertex pistons to ensure longevity, performance and reduced engine noiseKit...

Cylinder Works - 09310724 - Cylinder Kit - Big Bore - 80.00 mm - KawasakiFeaturesCylinders have a nickel silicon carbide cylinder sleeveLook virtually identical to OEM cylindersKit includes cylinder,...

Cylinder Works - 09350953 - Power Valve - Big Bore - YamahaFeaturesCNC-machinedHard anodized finishMade in the USASpecs

Cylinder Works - 09310720 - Cylinder - 88.00 mm - Husqvarna | KTMFeaturesNickel Silicon Carbide plated for long lifeMade in the U.S.A.Big bore cylinders do not require machine work.Specs

Cylinder Works - 09310713 - Cylinder Kit - Standard Bore - 96.00 mm - HondaFeaturesCylinder kit includes matched Vertex pistons to ensure longevity, performance and reduced engine noiseNickel silicon...