Dirt Bike Engine

Boyesen - 09401461 - Clutch Cover - Black - Gas Gas/Husqvarna/KTMFeaturesLightweight factory clutch covers provide years of outstanding protection; guaranteed not to warpIndividually surfaced for a perfect, leak-free fitSuper-tough, powder-coated finish...

Boyesen - 09401465 - Clutch Cover - Black - KawasakiFeaturesLightweight factory clutch covers provide years of outstanding protection; guaranteed not to warpIndividually surfaced for a perfect, leak-free fitSuper-tough, powder-coated finish resists...

Boyesen - 09401457 - Clutch Cover - Black - Gas Gas/Husqvarna/KTMFeaturesLightweight factory clutch covers provide years of outstanding protection; guaranteed not to warpIndividually surfaced for a perfect, leak-free fitSuper-tough, powder-coated finish...

Boyesen - 09401462 - Clutch Cover - Magnesium - Gas Gas/Husqvarna/KTMFeaturesLightweight factory clutch covers provide years of outstanding protection; guaranteed not to warpIndividually surfaced for a perfect, leak-free fitSuper-tough, powder-coated...

Cylinder Works - 09300130 - Cylinder Head - Standard Bore - YamahaFeaturesCompetition valve jobShortened valve guides to accept higher lift camsUnshrouded combustion chamberBlended bowl seat to portStock-shaped portsDoes not include valves, springs or...

Cylinder Works - 09310600 - Cylinder Kit - Standard Bore - 96.00 mm - KawasakiFeaturesCylinder kit includes matched Vertex pistons to ensure longevity, performance and reduced engine noiseNickel Silicon Carbide plated for long lifeKit comes complete with...

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 Carbide plated for long lifeKit comes complete with...

Cylinder Works - 09310579 - Cylinder - 77.00 mm - YamahaFeaturesNickel silicon carbide-plated for long lifeMade in the U.S.A.SpecsColor/FinishGrayRiding StyleOff-RoadStyleStandardCylinder Diameter Metric77.00 mmBore Size...

Cometic - 09344372 - Stator Cover Gasket - KawasakiFeaturesMagneto cover gaskets are made from EST (Extreme Sealing Technology) material instead of fiberSave service time as AFM will not stick to the engine case making replacement quick and easy, no more...

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

Cylinder Works - 09310598 - Cylinder Kit - Standard Bore - 96.00 MM - KawasakiFeaturesCylinder kit includes matched Vertex pistons to ensure longevity, performance and reduced engine noiseNickel Silicon Carbide plated for long lifeKit comes complete with...

Cometic - 09344310 - Top End Gasket Kit - 87.50 mm - YamahaFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring seal for more power4-stroke head gaskets are made to...

Del West - 09262476 - Valve Spring Retainer - Exhaust - HondaFeaturesMeets the demands of off-roadSpecsApplicationExhaustTypeValve SpringUnitsEachRiding StyleOff-RoadMaterialSteelProduct NameRetainerFitment2008-2014HondaCRF250R

Cometic - 09344515 - Exhaust Gasket - HondaFeatures4-stroke applications utilize a double-sided Viton® rubber-coated stainless steel gasket providing precise, high-temperature sealing capabilities in all conditionsExhaust gasket kit are made for extreme...

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 with limited sealing surfacesNo sealants required for...

Del West - 09262475 - Valve Spring Retainer - Intake/Exhaust - HondaFeaturesMeets the demands of off-roadSpecsRiding StyleOff-RoadTypeValve SpringUnitsEachApplicationIntakeMaterialSteelProduct...

Del West - 09262474 - Valve Spring Retainer - Intake/Exhaust - SuzukiFeaturesMeets the demands of off-roadSpecsProduct NameRetainerApplicationExhaustTypeValve SpringUnitsEachMaterialSteelRiding StyleOff-RoadApplicationIntakeFitment2007-2013SuzukiRMZ250

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 to the engine case making replacement quick and easy,...

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 seal for more power4-stroke head gaskets are made to...

Cylinder Works - 09310580 - Cylinder - 48.50 mm - KawasakiFeaturesNickel silicon carbide-plated for long lifeMade in the U.S.A.SpecsBore Size MetricStandardCylinder Diameter Metric48.50 mmMaterialAluminumStyleStandardMaterialCastProduct...

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 piston ring seal for more power4-stroke head gaskets are...

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 engine case making replacement quick and easy, no more...

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 ring seal for more power4-stroke head gaskets are made...

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 long lifeKit comes complete with gaskets, cylinder,...

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 Carbide plated for long lifeKit comes complete with...

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 limited sealing surfacesNo sealants required for...

Cometic - 09344112 - Exhaust Gasket - Husaberg/KTMFeatures4-stroke applications utilize a double-sided Viton® rubber-coated stainless steel gasket providing precise, high-temperature sealing capabilities in all conditionsExhaust gasket kit are made for...

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, pistons, rings, pin, clips and gasketsMade in the...

Cylinder Works - 09310596 - Cylinder Kit - Standard Bore - 96.00 mm - KawasakiFeaturesCylinder kit includes matched Vertex pistons to ensure longevity, performance and reduced engine noiseNickel Silicon Carbide plated for long lifeKit comes complete with...

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 more power4-stroke head gaskets are made to perform on...

Cometic - 09344430 - 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 engine case making replacement quick and easy, no more...

Cylinder Works - 09310592 - Cylinder Kit - Standard Bore - 77.00 mm - KawasakiFeaturesCylinder kit includes matched Vertex pistons to ensure longevity, performance and reduced engine noiseNickel Silicon Carbide plated for long lifeKit comes complete with...

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 includes cylinder, piston, rings, pins, clips and top end...

Cometic - 09344392 - Stator Cover Gasket - KawasakiFeaturesMagneto cover gaskets are made from EST (Extreme Sealing Technology) material instead of fiberSave service time as AFM will not stick to the engine case making replacement quick and easy, no more...

Cometic - 09344305 - Exhaust Gasket - YamahaFeatures4-stroke applications utilize a double-sided Viton® rubber-coated stainless steel gasket providing precise, high-temperature sealing capabilities in all conditionsExhaust gasket kit are made for extreme...

Cometic - 09344379 - Clutch Gasket - SuzukiFeaturesAluminum core gives the gasket strength for a superior seal and prevents the gasket from weeping or crawling out in today's engine cases with limited sealing surfacesNo sealants required for...

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

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 gasket kit for a complete gasket kit when doing a total...

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 ring seal for more power4-stroke head gaskets are made to...

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 seal for more power4-stroke head gaskets are made to...