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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Pro Filter - MTX-2010-01 - Premium Air Filter - Yamaha
Pro Filter
$26.99Pro Filter - 10113888 - Premium Air Filter - YamahaFeaturesMade from chemical-resistant, high-quality polyester foamReticulation foam offers unsurpassed air flow and filtrationRubber grommetReusableSpecsBase...$26.99 -
Pro Filter - AFR-3002-01 - Premium Air Filter - Kawasaki
Pro Filter
$13.99Pro Filter - 10113887 - Premium Air Filter - KawasakiFeaturesComes complete with disposable glovesDual stage open cell foam matrixPre-oiled with MAXIMA FFT™Plush 13 mm sealing foamSpecsTypeDual-StageUnitsEachColor/FinishBlackModelProfilterProduct...$13.99 -
Pro Filter - MTX-1003-02 - Premium Air Filter - Honda
Pro Filter
$26.99Pro Filter - 10113881 - Premium Air Filter - HondaFeaturesMade from chemical-resistant, high-quality polyester foamReticulation foam offers unsurpassed air flow and filtrationRubber grommetReusableSpecsProduct NameAir FilterRiding...$26.99 -
Pro Filter - AFR-1003-02 - Premium Air Filter - Honda
Pro Filter
$13.99Pro Filter - 10113882 - Premium Air Filter - HondaFeaturesComes complete with disposable glovesDual stage open cell foam matrixPre-oiled with MAXIMA FFT™Plush 13 mm sealing foamSpecsColor/FinishBlueTypeDual-StageRiding StyleOff-RoadProduct NamePre-Oiled...$13.99 -
Rekluse - RMS-2804047 - TorqDrive® Clutch Pack - KX 450
Rekluse
$409.00Rekluse - 11313654 - TorqDrive® Clutch Pack - KX 450FeaturesIts as easy as changing your clutch plates into your OEM componentsTorqDrive Technology also provides increased clutch life and decreased clutch fadeThe additional friction disks provide an...$409.00 -
Rekluse - RMS-2400020 - Slave Cylinder Kit - Gas Gas/Husqvarna/KTM
Rekluse
$219.00Rekluse - 11321510 - Slave Cylinder Kit - Gas Gas/Husqvarna/KTMFeaturesDeveloped in partnership with elite racers and teams, it has been proven in the toughest riding environments and at the highest levels of racingRekluse Manual Slave Cylinders feature...$219.00 -
Prox - 37.910024 - Master Cylinder Rebuild Kit - Front
Prox
$24.95Prox - 06170384 - Master Cylinder Rebuild Kit - FrontFeaturesDesigned and manufactured to meet or exceed OEM partsContains all necessary components to rebuild the brake master cylinderSpecsColor/FinishBlackTypeBrakeTypeMaster CylinderProduct NameRebuild...$24.95 -
Rekluse - RMS-4101102 - Clutch Basket - CRF 450
Rekluse
$299.00Rekluse - 11321579 - Clutch Basket - CRF 450FeaturesExtreme durability resists notching and extends clutch lifeExclusive replaceable cushions protect your transmission from damage even in the most extreme conditionsTightly controlled tolerances ensure...$299.00 -
Prox - 23.CBS34005 - Crank Bearing Kit - Suzuki
Prox
$109.95Prox - 09240346 - Crank Bearing Kit - SuzukiFeaturesIncludes all necessary bearings/seals for a component’s replacementFor use with OEM or Pro-X crankshafts.SpecsRiding StyleOff-RoadApplicationCrankshaftProduct NameBearing...$109.95 -
Prox - 03.6113 - Connecting Rod Kit - Gas Gas | Husqvarna | KTM
Prox
$109.95Prox - 09230331 - Connecting Rod Kit - Gas Gas | Husqvarna | KTMFeaturesEasy to installSpecsRiding StyleOff-RoadProduct NameConnecting Rod KitUnitsKitEngine Type2-StrokeMaterialForged SteelFitment2021Gas GasMC 852014-2025HusqvarnaTC85 17/142013-2025KTM85...$109.95 -
Rekluse - RMS-2804043 - Clutch Pack
Rekluse
$409.00Rekluse - 11313721 - Clutch PackFeaturesIt’s as easy as changing your clutch plates into your OEM componentsProven at the highest levels of racing, TorqDrive® thin friction disk technology allows more disks to fit in your OEM clutch’s footprint,...$409.00 -
Prox - 03.4347 - Connecting Rod Kit - Kawasaki
Prox
$229.95Prox - 09230461 - Connecting Rod Kit - KawasakiFeaturesEasy to installSpecsUnitsKitEngine Type4-StrokeMaterialForged SteelProduct NameConnecting Rod KitRiding StyleOff-RoadFitment2019-2020KawasakiKX2502017-2018KawasakiKX250F$229.95 -
Rekluse - RMS-6301003 - RadiusX Clutch - CRF250F
Rekluse
$849.00Rekluse - 11300580 - RadiusX Clutch - CRF250FFeaturesRadiusX combines TorqDrive® friction disk technology with Rekluse's innovative EXP (auto clutch) diskTorqDrive provides more clutch disks in less space, delivering high performance auto function within...$849.00 -
Out of stock
Prox - 28.SES2444-1 - Valve and Spring Kit - Exhaust - Yamaha
Prox
$159.95Prox - 09262725 - Valve and Spring Kit - Exhaust - YamahaFeaturesSteel, nitrided valves for increased durability and less wear under extreme conditionsStronger valve springs deal with the extra weight of the steel valvesSprings are made from premium...$159.95 -
Out of stock
Prox - 23.CBS23098 - Crank Bearing and Seal Kit - Yamaha
Prox
$65.95Prox - 09240325 - Crank Bearing and Seal Kit - YamahaFeaturesIncludes all necessary bearings/seals for a component’s replacementFor use with OEM or Pro-X crankshafts.SpecsApplicationCrankshaftProduct NameBearing and Seal...$65.95 -
Out of stock
Rekluse - RMS-2801102 - TorqDrive® Clutch Pack - CRF 450
Rekluse
$409.00Rekluse - 11313655 - TorqDrive® Clutch Pack - CRF 450FeaturesIts as easy as changing your clutch plates into your OEM componentsTorqDrive Technology also provides increased clutch life and decreased clutch fadeThe additional friction disks provide an...$409.00 -
Prox - 01.2005.000 - Piston Kit - 40.00 mm - Yamaha MJ50/PW50
Prox
$69.95Prox - 09106097 - Piston Kit - 40.00 mm - Yamaha MJ50/PW50FeaturesOversized options follow manufacturer piston to cylinder wall clearancesKit includes piston, ring kit, wrist pin, and circlipsSpecsCompression Ratio ImperialStandardEngine...$69.95 -
Prox - 03.2119 - Connecting Rod Kit - Yamaha
Prox
$109.95Prox - 09230614 - Connecting Rod Kit - YamahaFeaturesEasy to installSpecsProduct NameConnecting Rod KitRiding StyleOff-RoadEngine Type2-StrokeMaterialForged SteelUnitsKitFitment2019-2025YamahaYZ85$109.95 -
Prox - 03.6226 - Connecting Rod Kit - Gas Gas | Husqvarna | KTM
Prox
$119.95Prox - 09230471 - Connecting Rod Kit - Gas Gas | Husqvarna | KTMFeaturesEasy to installSpecsProduct NameConnecting Rod KitRiding StyleOff-RoadUnitsKitEngine Type2-StrokeMaterialForged SteelFitment2016-2022, 2025KTM150 SX2021-2025Gas GasMC...$119.95 -
Prox - 03.2414 - Connecting Rod Kit - Yamaha
Prox
$165.95Prox - 09230365 - Connecting Rod Kit - YamahaFeaturesEasy to installSpecsEngine Type4-StrokeProduct NameConnecting Rod KitUnitsKitRiding StyleOff-RoadMaterialForged SteelFitment2015-2025YamahaWR250F2014-2025YamahaYZ250F2021-2023, 2025YamahaYZ250F Monster...$165.95 -
Prox - 01.2018.A - Piston Kit - 43.44 mm - Yamaha YZ65
Prox
$79.95Prox - 09105694 - Piston Kit - 43.44 mm - Yamaha YZ65FeaturesOversized options follow manufacturer piston to cylinder wall clearancesKit includes piston, ring kit, wrist pin, and circlipsSpecsCompression Ratio ImperialStandardUnitsKitBore Size Metric44...$79.95 -
Prox - 01.6022.B - Piston Kit - 44.97 mm - KTM 65SX
Prox
$59.95Prox - 09106105 - Piston Kit - 44.97 mm - KTM 65SXFeaturesOversized options follow manufacturer piston to cylinder wall clearancesKit includes piston, ring kit, wrist pin, and circlipsSpecsCompression Ratio ImperialStandardUnitsKitBore Size Metric45.00...$59.95 -
Prox - 01.6022.A - Piston Kit - 44.96 mm - KTM 65SX
Prox
$59.95Prox - 09106104 - Piston Kit - 44.96 mm - KTM 65SXFeaturesOversized options follow manufacturer piston to cylinder wall clearancesKit includes piston, ring kit, wrist pin, and circlipsSpecsBore - OversizeStandardProduct NamePiston KitBore - Oversize...$59.95 -
Pro Filter - PF-631 - Replacement Oil Filter
Pro Filter
$8.99Pro Filter - 07120625 - Replacement Oil FilterFeaturesIncludes fibrous micro-pore filtration structureConsistent flow rates with high strength and dimensional stabilityFor use with synthetic or petroleum-based oilsExceed OEM...$8.99 -
Prox - 01.2018.C - Piston Kit - 43.46 mm - Yamaha YZ65
Prox
$79.95Prox - 09105696 - Piston Kit - 43.46 mm - Yamaha YZ65FeaturesOversized options follow manufacturer piston to cylinder wall clearancesKit includes piston, ring kit, wrist pin, and circlipsSpecsBore - OversizeStandardDisplacement65 ccRiding...$79.95 -
Prox - 01.2018.B - Piston Kit - 43.45 mm - Yamaha YZ65
Prox
$79.95Prox - 09105695 - Piston Kit - 43.45 mm - Yamaha YZ65FeaturesOversized options follow manufacturer piston to cylinder wall clearancesKit includes piston, ring kit, wrist pin, and circlipsSpecsProduct NamePiston KitDisplacement65 ccEngine...$79.95 -
Out of stock
Prox - 28.SIS6353-2 - Valve and Spring Kit - Intake - Husaberg | Husqvarna | KTM
Prox
$149.95Prox - 09262731 - Valve and Spring Kit - Intake - Husaberg | Husqvarna | KTMFeaturesSteel, nitrided valves for increased durability and less wear under extreme conditionsStronger valve springs deal with the extra weight of the steel valvesSprings are...$149.95 -
Out of stock
Prox - 28.SIS6351-2 - Valve and Spring Kit - Intake - Husqvarna | KTM
Prox
$149.95Prox - 09262730 - Valve and Spring Kit - Intake - Husqvarna | KTMFeaturesSteel, nitrided valves for increased durability and less wear under extreme conditionsStronger valve springs deal with the extra weight of the steel valvesSprings are made from...$149.95 -
Prox - 28.SIS1340-2 - Valve and Spring Kit - Intake - Honda
Prox
$149.95Prox - 09262892 - Valve and Spring Kit - Intake - HondaFeaturesSteel, nitrided valves for increased durability and less wear under extreme conditionsStronger valve springs deal with the extra weight of the steel valvesSprings are made from premium chrome...$149.95 -
Prox - 28.SIS2444-2 - Valve and Spring Kit - Intake - Yamaha
Prox
$159.95Prox - 09262729 - Valve and Spring Kit - Intake - YamahaFeaturesSteel, nitrided valves for increased durability and less wear under extreme conditionsStronger valve springs deal with the extra weight of the steel valvesSprings are made from premium...$159.95 -
Prox - 28.SIS2414-2 - Valve and Spring Kit - Intake - Yamaha
Prox
$149.95Prox - 09262728 - Valve and Spring Kit - Intake - YamahaFeaturesSteel, nitrided valves for increased durability and less wear under extreme conditionsStronger valve springs deal with the extra weight of the steel valvesSprings are made from premium...$149.95 -
Out of stock
Prox - 28.SES6353-1 - Valve and Spring Kit - Exhaust - Husaberg | Husqvarna | KTM
Prox
$149.95Prox - 09262727 - Valve and Spring Kit - Exhaust - Husaberg | Husqvarna | KTMFeaturesSteel, nitrided valves for increased durability and less wear under extreme conditionsStronger valve springs deal with the extra weight of the steel valvesSprings are...$149.95 -
Out of stock
Prox - 28.SES6351-1 - Valve and Spring Kit - Exhaust - Husqvarna | KTM
Prox
$149.95Prox - 09262726 - Valve and Spring Kit - Exhaust - Husqvarna | KTMFeaturesSteel, nitrided valves for increased durability and less wear under extreme conditionsStronger valve springs deal with the extra weight of the steel valvesSprings are made from...$149.95 -
Prox - 40.S354611P - Fork Seal/Wiper Kit - 35 mm ID - KTM 50
Prox
$39.95Prox - 04070680 - Fork Seal/Wiper Kit - 35 mm ID - KTM 50FeaturesSold in sets of two fork seals and two wipersSpecsInside Diameter35,00 mm (1,37'')UnitsKitProduct NameSealRiding StyleOff-RoadTypeForkFitment2012-2016KTM50 SX2012-2016KTM65 SX$39.95 -
Prox - 40.S334611P - Fork Seal/Wiper Kit - 43 mm ID - KX65
Prox
$39.95Prox - 04070679 - Fork Seal/Wiper Kit - 43 mm ID - KX65FeaturesSold in sets of two fork seals and two wipersSpecsRiding StyleOff-RoadTypeForkUnitsKitProduct NameSealInside Diameter43,00 mm (1,69'')Fitment2000-2025KawasakiKX652003-2005SuzukiRM65$39.95 -
Prox - 28.SES2414-1 - Valve and Spring Kit - Exhaust - Yamaha
Prox
$149.95Prox - 09262724 - Valve and Spring Kit - Exhaust - YamahaFeaturesSteel, nitrided valves for increased durability and less wear under extreme conditionsStronger valve springs deal with the extra weight of the steel valvesSprings are made from premium...$149.95 -
Prox - 40.S354710P - Fork Seal/Wiper Kit - 35 mm ID
Prox
$39.95Prox - 04070308 - Fork Seal/Wiper Kit - 35 mm IDFeaturesSold in sets of two fork seals and two wipersSpecsProduct NameSealTypeForkInside Diameter35,00 mm (1,37'')UnitsKitRiding StyleOff-RoadFitment2002-2011KTM65 SX$39.95 -
Out of stock
Rekluse - RMS-2801022 - Clutch Pack
Rekluse
$409.00Rekluse - 11313650 - Clutch PackFeaturesIt's as easy as changing your clutch plates into your OEM componentsProven at the highest levels of racing, TorqDrive thin friction disk technology allows more disks to fit in your OEM clutch's footprint,...$409.00 -
Out of stock
Rekluse - RMS-2408004 - Slave Cylinder Kit - Sherco
Rekluse
$219.00Rekluse - 11321512 - Slave Cylinder Kit - ShercoFeaturesDeveloped in partnership with elite racers and teams, it has been proven in the toughest riding environments and at the highest levels of racingRekluse Manual Slave Cylinders feature a hard-anodized...$219.00 -
Out of stock
Rekluse - RMS-7104047 - Core Manual TorqDrive® Clutch Kit - KX 450
Rekluse
$1,115.95Rekluse - 11300624 - Core Manual TorqDrive® Clutch Kit - KX 450FeaturesTorqDrive provides more disks in less space, allowing us to add up to 4 additional frictions disks over stockMore frictions equals more torque capacity thus unlocking the full power...$1,115.95
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.