Dirt Bike Parts
Modern dirt bikes take serious abuse, so the parts on your machine need to match the way you ride. Whether you hit motocross tracks, single-track, or rough enduro terrain, the right dirt bike parts make a huge difference in power, handling, and durability. Riders choose high quality aftermarket components because they outperform stock parts and hold up when the pressure is on. Our selection is built for anyone who wants stronger performance and reliability on every jump, corner, and trail.
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Out of stock
Cylinder Works - 23001-K02 - Cylinder Kit - Big Bore - 98.00 mm - Yamaha
Cylinder Works
$873.95Cylinder Works - 09310426 - Cylinder Kit - Big Bore - 98.00 mm - YamahaFeaturesCylinders have a nickel silicon carbide cylinder sleeveLook virtually identical to OEM cylindersKit includes cylinder,...$873.95 -
Out of stock
Cometic - C7689 - Top End Gasket Kit - 95 mm - Yamaha
Cometic
$47.95Cometic - 09340392 - Top End Gasket Kit - 95 mm - YamahaFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring...$47.95 -
Del West - DWCRF250RIV10ND - Intake Valve - No Dish - Honda CRF250R '10-'17
Del West
$155.95Del West - 09261737 - Intake Valve - No Dish - Honda CRF250R '10-'17FeaturesTitanium aluminide valves are designed to meet the most exacting requirementsSpecs$155.95 -
Boyesen - CCG-42 - Clutch Cover Replacement Gasket - Husaberg/Husqvarna/KTM
Boyesen
$7.00Boyesen - 09341291 - Clutch Cover Replacement Gasket - Husaberg/Husqvarna/KTMFeaturesLightweight factory clutch covers provide years of outstanding protection; guaranteed not to warpIndividually...$7.00 -
Cylinder Works - 31006-K01 - Cylinder Kit - Big Bore - 80.00 mm - Kawasaki
Cylinder Works
$790.95Cylinder Works - 09310424 - Cylinder Kit - Big Bore - 80.00 mm - KawasakiFeaturesCylinders have a nickel silicon carbide cylinder sleeveLook virtually identical to OEM cylindersKit includes cylinder,...$790.95 -
Del West - DW-CRF250R-EV10 - Exhaust Valve - Honda CRF250R '10-'15
Del West
$155.95Del West - 09261043 - Exhaust Valve - Honda CRF250R '10-'15FeaturesTitanium aluminide valves are designed to meet the most exacting requirementsSpecs$155.95 -
Out of stock
Cometic - C7142 - Top End Gasket Kit - 68 mm - Yamaha
Cometic
$32.95Cometic - 09340369 - Top End Gasket Kit - 68 mm - YamahaFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring...$32.95 -
Out of stock
Cylinder Works - 40003 - Cylinder - 77.00 mm - Suzuki
Cylinder Works
$461.95Cylinder Works - 09310401 - Cylinder - 77.00 mm - SuzukiFeaturesNickel Silicon Carbide plated for long lifeMade in the U.S.A.Big bore cylinders do not require machine work.Replacement Part for OEM...$461.95 -
Out of stock
Cylinder Works - 50002 - Cylinder - 76.00 mm - Husaberg | KTM
Cylinder Works
$526.95Cylinder Works - 09310404 - Cylinder - 76.00 mm - Husaberg | KTMFeaturesNickel Silicon Carbide plated for long lifeMade in the U.S.A.Big bore cylinders do not require machine work.Replacement Part...$526.95 -
Out of stock
Boyesen - SCG-42 - Ignition Cover Replacement Gasket - KTM
Boyesen
$5.95Boyesen - 09341290 - Ignition Cover Replacement Gasket - KTMFeaturesSeals properly, guarding inside of engine from dirt and water and outlasts stock coversBoyesen Factory Covers are cast from the...$5.95 -
Cylinder Works - 51001-G01 - Big Bore Gasket Kit - KTM
Cylinder Works
$149.95Cylinder Works - 09342369 - Big Bore Gasket Kit - KTMFeaturesCylinder kit includes matched Vertex pistons to ensure longevity, performance and reduced engine noiseNickel Silicon Carbide plated for...$149.95 -
Out of stock
Cometic - C3267-EST - Top End Gasket Kit - 78 mm - Kawasaki
Cometic
$91.95Cometic - 09342414 - Top End Gasket Kit - 78 mm - KawasakiFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring...$91.95 -
Out of stock
Cometic - C3174-EST - Top End Gasket Kit - 77 mm - Kawasaki/Suzuki
Cometic
$91.95Cometic - 09342432 - Top End Gasket Kit - 77 mm - Kawasaki/SuzukiFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better...$91.95 -
Del West - DWCRF250REV10ND - Exhaust Valve - No Dish - Honda CRF250R '10-'15
Del West
$155.95Del West - 09261738 - Exhaust Valve - No Dish - Honda CRF250R '10-'15FeaturesTitanium aluminide valves are designed to meet the most exacting requirementsSpecs$155.95 -
Cometic - C3299 - Bottom End Gasket Kit - Yamaha
Cometic
$15.95Cometic - 09342514 - Bottom End Gasket Kit - YamahaFeaturesMaterials will vary depending on what is correct and engineered for specified applicationPurchase a top and a bottom end gasket kit for a...$15.95 -
Out of stock
Cometic - C3268-EST - Top End Gasket Kit - 96 mm - Kawasaki
Cometic
$84.95Cometic - 09342420 - Top End Gasket Kit - 96 mm - KawasakiFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring...$84.95 -
Cylinder Works - 51002-K01 - Cylinder Kit - Big Bore - 80.00 mm - KTM
Cylinder Works
$982.95Cylinder Works - 09310411 - Cylinder Kit - Big Bore - 80.00 mm - KTMFeaturesCylinders have a nickel silicon carbide cylinder sleeveLook virtually identical to OEM cylindersKit includes cylinder,...$982.95 -
Cylinder Works - 30006 - Cylinder - 77.00 mm - Kawasaki
Cylinder Works
$421.95Cylinder Works - 09310400 - Cylinder - 77.00 mm - KawasakiFeaturesNickel Silicon Carbide plated for long lifeMade in the U.S.A.Big bore cylinders do not require machine work.Replacement Part for OEM...$421.95 -
Out of stock
Cylinder Works - 30004 - Cylinder - 77.00 mm - Kawasaki
Cylinder Works
$421.95Cylinder Works - 09310398 - Cylinder - 77.00 mm - KawasakiFeaturesNickel Silicon Carbide plated for long lifeMade in the U.S.A.Big bore cylinders do not require machine work.Replacement Part for OEM...$421.95 -
Cylinder Works - 41004-G01 - Big Bore Gasket Kit - Suzuki
Cylinder Works
$68.95Cylinder Works - 09342151 - Big Bore Gasket Kit - SuzukiFeaturesCylinder kit includes matched Vertex pistons to ensure longevity, performance and reduced engine noiseNickel Silicon Carbide plated for...$68.95 -
Cylinder Works - 50001 - Cylinder - 88.00 mm - KTM
Cylinder Works
$526.95Cylinder Works - 09310403 - Cylinder - 88.00 mm - KTMFeaturesNickel Silicon Carbide plated for long lifeMade in the U.S.A.Big bore cylinders do not require machine work.Replacement Part for OEM...$526.95 -
Cometic - C3187-EST - Top End Gasket Kit - 66 mm - Honda
Cometic
$64.95Cometic - 09342405 - Top End Gasket Kit - 66 mm - HondaFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring...$64.95 -
Cylinder Works - 30006-K01 - Cylinder - Standard Bore - 77.00 mm - Kawasaki
Cylinder Works
$666.95Cylinder Works - 09310423 - Cylinder - Standard Bore - 77.00 mm - KawasakiFeaturesCylinder kit includes matched Vertex pistons to ensure longevity, performance and reduced engine noiseNickel Silicon...$666.95 -
Cycra - 1CYC-1055-02 - Probend™ Triple Clamp Mount - Side
Cycra
$54.83Cycra - 06350391 - Probend™ Triple Clamp Mount - SideFeaturesCNC-machined from billet aluminum for the best fit and strengthSpecs$54.83 -
Cylinder Works - 10007 - Cylinder - 76.80 mm - Honda
Cylinder Works
$407.95Cylinder Works - 09310392 - Cylinder - 76.80 mm - HondaFeaturesNickel Silicon Carbide plated for long lifeMade in the U.S.A.Big bore cylinders do not require machine work.Replacement Part for OEM...$407.95 -
Cylinder Works - 50001-K01 - Cylinder Kit - Standard Bore - 88.00 mm - KTM
Cylinder Works
$867.95Cylinder Works - 09310406 - Cylinder Kit - Standard Bore - 88.00 mm - KTMFeaturesCylinder kit includes matched Vertex pistons to ensure longevity, performance and reduced engine noiseNickel Silicon...$867.95 -
Cometic - C3416 - Top End Gasket Kit - Gas Gas/Husqvarna/KTM
Cometic
$44.95Cometic - 09342395 - 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...$44.95 -
Cylinder Works - 10006 - Cylinder - 96.00 mm - Honda
Cylinder Works
$434.95Cylinder Works - 09310391 - Cylinder - 96.00 mm - HondaFeaturesNickel Silicon Carbide plated for long lifeMade in the U.S.A.Big bore cylinders do not require machine work.Replacement Part for OEM...$434.95 -
Cylinder Works - 51001-K01 - Cylinder Kit - Big Bore - 90.00 mm - KTM
Cylinder Works
$982.95Cylinder Works - 09310410 - Cylinder Kit - Big Bore - 90.00 mm - KTMFeaturesCylinders have a nickel silicon carbide cylinder sleeveLook virtually identical to OEM cylindersKit includes cylinder,...$982.95 -
Out of stock
Cylinder Works - 50002-K01 - Cylinder Kit - Standard Bore - 76.00 mm - KTM
Cylinder Works
$895.95Cylinder Works - 09310408 - Cylinder Kit - Standard Bore - 76.00 mm - KTMFeaturesCylinder kit includes matched Vertex pistons to ensure longevity, performance and reduced engine noiseNickel Silicon...$895.95 -
Cometic - C7905-EST - Top End Gasket Kit - 77 mm - Gas Gas/Yamaha
Cometic
$83.95Cometic - 09340932 - Top End Gasket Kit - 77 mm - Gas Gas/YamahaFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better...$83.95 -
Out of stock
Cylinder Works - 10002-K01HC - Cylinder Kit - High Compression - 96.00 mm - Honda
Cylinder Works
$747.25Cylinder Works - 09310291 - Cylinder Kit - High Compression - 96.00 mm - HondaFeaturesCylinder kit comes with matched Vertex pistons to ensure longevity, performance and reduced engine noiseKit...$747.25 -
Cylinder Works - 10004-K01 - Cylinder Kit - Standard Bore - 66.00 mm - Honda
Cylinder Works
$550.95Cylinder Works - 09310269 - Cylinder Kit - Standard Bore - 66.00 mm - HondaFeaturesCylinder kit includes matched Vertex pistons to ensure longevity, performance and reduced engine noiseNickel Silicon...$550.95 -
Out of stock
Cylinder Works - 30005 - Cylinder - 77.00 mm - Kawasaki
Cylinder Works
$434.95Cylinder Works - 09310399 - Cylinder - 77.00 mm - KawasakiFeaturesNickel Silicon Carbide plated for long lifeMade in the U.S.A.Big bore cylinders do not require machine work.Replacement Part for OEM...$434.95 -
Cylinder Works - 10001-K01HC - Cylinder Kit - High Compression - 78.00 mm - Honda
Cylinder Works
$635.95Cylinder Works - 09310289 - Cylinder Kit - High Compression - 78.00 mm - HondaFeaturesCylinder kit comes with matched Vertex pistons to ensure longevity, performance and reduced engine noiseKit...$635.95 -
Out of stock
Cometic - C3047-EST - Top End Gasket Kit - 96 mm - Honda
Cometic
$88.95Cometic - 09340905 - Top End Gasket Kit - 96 mm - HondaFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring...$88.95 -
Cylinder Works - 20003-K01HC - Cylinder Kit - High Compression - 95.00 mm - Yamaha
Cylinder Works
$788.95Cylinder Works - 09310299 - Cylinder Kit - High Compression - 95.00 mm - YamahaFeaturesCylinder kit comes with matched Vertex pistons to ensure longevity, performance and reduced engine noiseKit...$788.95 -
Devol - 0102-5403 - Skid Plate - YZ 125
DeVol
$124.95Devol - 05060171 - Skid Plate - YZ 125FeaturesCNC technology creates custom fitHigh-quality weldsExtended wrap-around wingsSlotted airflow holesHigh-strength billet mountsIncludes all hardwareBrushed...$124.95 -
Out of stock
Devol - 0102-2101 - Skid Plate - KDX
DeVol
$129.95Devol - 05060051 - Skid Plate - KDXFeaturesCNC technology creates custom fitHigh-quality weldsExtended wrap-around wingsSlotted airflow holesHigh-strength billet mountsIncludes all hardwareBrushed...$129.95 -
Devol - 0102-1402 - Skid Plate - XR400R
DeVol
$169.95Devol - 05060045 - Skid Plate - XR400RFeaturesCNC technology creates custom fitHigh-quality weldsExtended wrap-around wingsSlotted airflow holesHigh-strength billet mountsIncludes all hardwareBrushed...$169.95
High Performance Dirt Bike and Motocross Components
Every piece of your dirt bike contributes to how confidently you ride. Upgrading to better engine parts, clutch components, and fuel system pieces gives you stronger acceleration and cleaner throttle response when the track gets rough. Suspension upgrades like fork springs, seals, shock components, and linkage parts help your bike stay predictable through whoops, ruts, and landings. Controls matter just as much, so riders improve their cockpit with new handlebars, grips, levers, and foot pegs that boost comfort and precision at high speed.
Performance braking and drive components can completely transform how a dirt bike handles. Rotors, pads, chains, sprockets, wheel bearings, and hardware all play a role in keeping traction consistent and stopping power reliable. Even routine maintenance items like air filters, spark plugs, fluids, cables, and gaskets impact how well your bike performs under load. Quality parts help you ride longer, harder, and with more confidence, whether you are chasing lap times or carving your favorite trails.
Our goal is simple. Give riders access to dirt bike parts that hold up to real riding conditions and deliver true performance gains. When you twist the throttle, charge a jump, or slam into a corner, you should trust that every component on your bike can take the hit and keep going. Explore our full lineup of dirt bike and motocross parts and build a machine that is ready for whatever you throw at it.