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 Circuit - TB-05-A - Throttle Tube - CRF - Aluminum
Pro Circuit
$79.95Pro Circuit - 06320856 - Throttle Tube - CRF - AluminumFeaturesStronger and more durable than OEM plastic unitsSpecs$79.95 -
Out of stock
Prox - 37.910028 - Master Cylinder Rebuild Kit - Rear
Prox
$24.95Prox - 06170378 - Master Cylinder Rebuild Kit - RearFeaturesDesigned and manufactured to meet or exceed OEM partsContains all necessary components to rebuild the brake master cylinderSpecs$24.95 -
Out of stock
Prox - 37.910006 - Master Cylinder Rebuild Kit - Front
Prox
$39.95Prox - 06170385 - Master Cylinder Rebuild Kit - FrontFeaturesDesigned and manufactured to meet or exceed OEM partsContains all necessary components to rebuild the brake master cylinderSpecs$39.95 -
Out of stock
Prox - 37.910029 - Master Cylinder Rebuild Kit - Rear
Prox
$24.95Prox - 06170386 - Master Cylinder Rebuild Kit - RearFeaturesDesigned and manufactured to meet or exceed OEM partsContains all necessary components to rebuild the brake master cylinderSpecs$24.95 -
Prox - 37.910035 - Master Cylinder Rebuild Kit - Front
Prox
$30.95Prox - 06170382 - Master Cylinder Rebuild Kit - FrontFeaturesDesigned and manufactured to meet or exceed OEM partsContains all necessary components to rebuild the brake master cylinderSpecs$30.95 -
Prox - 37.910030 - Master Cylinder Rebuild Kit - Rear
Prox
$40.95Prox - 06170383 - Master Cylinder Rebuild Kit - RearFeaturesDesigned and manufactured to meet or exceed OEM partsContains all necessary components to rebuild the brake master cylinderSpecs$40.95 -
Prox - 37.910025 - Master Cylinder Rebuild Kit - Front
Prox
$24.95Prox - 06170379 - Master Cylinder Rebuild Kit - FrontFeaturesDesigned and manufactured to meet or exceed OEM partsContains all necessary components to rebuild the brake master cylinderSpecs$24.95 -
Out of stock
Prox - 37.910023 - Master Cylinder Rebuild Kit - Front
Prox
$24.95Prox - 06170377 - Master Cylinder Rebuild Kit - FrontFeaturesDesigned and manufactured to meet or exceed OEM partsContains all necessary components to rebuild the brake master cylinderSpecs$24.95 -
Prox - 37.910022 - Master Cylinder Rebuild Kit - Front
Prox
$24.95Prox - 06170380 - Master Cylinder Rebuild Kit - FrontFeaturesDesigned and manufactured to meet or exceed OEM partsContains all necessary components to rebuild the brake master cylinderSpecs$24.95 -
Out of stock
Pro Filter - BCA-4002-00 - Oil Filter Cover - Suzuki
Pro Filter
$39.99Pro Filter - 07120637 - Oil Filter Cover - SuzukiFeaturesIncludes a sub-surface anodized finishLightweight and durableIncreases flowPrecision fit with a 3D CAD designExceeds all OEM...$39.99 -
Prox - 40.FSP3604450 - Fork Protectors - 360 mm
Prox
MSRP: $24.95$23.95Prox - 04060110 - Fork Protectors - 360 mmFeaturesProtect the fork seal from sand, rocks and other hazards130 mm length will cover the fork seal and short part of the fork tube360 mm will cover the...MSRP: $24.95$23.95 -
Out of stock
Pro Filter - BCA-3001-01 - Oil Filter Cover - Kawasaki
Pro Filter
$39.99Pro Filter - 07120635 - Oil Filter Cover - KawasakiFeaturesIncludes a sub-surface anodized finishLightweight and durableIncreases flowPrecision fit with a 3D CAD designExceeds all OEM...$39.99 -
Prox - 40.FSP1304450 - Fork Protectors - 130 mm
Prox
$22.95Prox - 04060109 - Fork Protectors - 130 mmFeaturesProtect the fork seal from sand, rocks and other hazards130 mm length will cover the fork seal and short part of the fork tube360 mm will cover the...$22.95 -
Pro Filter - PF-611 - Replacement Oil Filter
Pro Filter
$8.99Pro Filter - 07120623 - Replacement Oil FilterFeaturesIncludes fibrous micro-pore filtration structureConsistent flow rates with high strength and dimensional stabilityFor use with synthetic or...$8.99 -
Out of stock
Pro Filter - BCA-2002-00 - Oil Filter Cover - Yamaha
Pro Filter
$49.99Pro Filter - 07120634 - Oil Filter Cover - YamahaFeaturesIncludes a sub-surface anodized finishLightweight and durableIncreases flowPrecision fit with a 3D CAD designExceeds all OEM...$49.99 -
Rekluse - RMS-2408008 - Slave Cylinder Kit - Sherco
Rekluse
$229.00Rekluse - 11321609 - 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...$229.00 -
Rekluse - RMS-2806068 - Clutch Pack
Rekluse
$429.00Rekluse - 11313722 - 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...$429.00 -
Out of stock
Rekluse - RMS-2401102 - Slave Cylinder - CRF 450
Rekluse
$229.00Rekluse - 11321578 - Slave Cylinder - CRF 450FeaturesDeveloped in partnership with elite racers and teams, it has been proven in the toughest riding environments and at the highest levels of racing...$229.00 -
Rekluse - RMS-2802022 - Clutch Pack
Rekluse
$429.00Rekluse - 11313720 - 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...$429.00 -
Out of stock
Rekluse - RMS-7104140 - Core Manual TorqDrive® Clutch Kit - KX250
Rekluse
$1,139.00Rekluse - 11300623 - Core Manual TorqDrive® Clutch Kit - KX250FeaturesTorqDrive provides more disks in less space, allowing us to add up to 4 additional frictions disks over stockMore frictions...$1,139.00 -
Rekluse - RMS-2804140 - TorqDrive® Clutch Pack - KX 250/F/X
Rekluse
$429.00Rekluse - 11313653 - TorqDrive® Clutch Pack - KX 250/F/XFeaturesIts as easy as changing your clutch plates into your OEM componentsTorqDrive Technology also provides increased clutch life and...$429.00 -
Out of stock
Rekluse - RMS-2813037 - Clutch Pack
Rekluse
$409.00Rekluse - 11313652 - 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...$409.00 -
Out of stock
Rekluse - RMS-2801021 - Clutch Pack
Rekluse
$429.00Rekluse - 11313649 - Clutch PackFeaturesTorqDrive thin friction disk technology allows more disks to fit in OEM clutch's footprint, decreasing slip and unlocking full power of engineTorqDrive...$429.00 -
Out of stock
Rekluse - RMS-0408001 - Clutch Cover - Sherco
Rekluse
$229.00Rekluse - 09401979 - Clutch Cover - ShercoFeaturesReady to ride whenever you are, standing up against rocks, logs, boots and whatever else you may encounter in your adventuresBillet aluminum...$229.00 -
Prox - 18.1227 - Inner Clutch Hub - CRF150R
Prox
$66.95Prox - 11320506 - Inner Clutch Hub - CRF150RFeaturesPrecision cast and machinedSame as OEM replacement; fit both stock and aftermarket primary clutch basketsSpecs$66.95 -
Prox - 18.3337 - Inner Clutch Hub - Suzuki
Prox
$77.95Prox - 11320516 - Inner Clutch Hub - SuzukiFeaturesPrecision cast and machinedSame as OEM replacement; fit both stock and aftermarket primary clutch basketsSpecs$77.95 -
Rekluse - RMS-0404140 - Clutch Cover - Kawasaki
Rekluse
$229.00Rekluse - 09401998 - Clutch Cover - KawasakiFeaturesReady to ride whenever you are, standing up against rocks, logs, boots and whatever else you may encounter in your adventuresBillet aluminum...$229.00 -
Pro Circuit - PC4009-0019 - Engine Plug Kit - Yamaha YZ 450F/250F
Pro Circuit
$69.95Pro Circuit - 09401993 - Engine Plug Kit - Yamaha YZ 450F/250FFeaturesMachined from aircraft-grade aluminumPolished to a mirror finish, then anodized for a one-of-a-kind lookSpecs$69.95 -
Pro Circuit - ICK20110 - Ignition Cover - Kawasaki KLX 110/L
Pro Circuit
$63.00Pro Circuit - 09401985 - Ignition Cover - Kawasaki KLX 110/LFeaturesCNC-machined from aircraft quality aluminum for strength and durabilityAnodized for surface hardness and reduced normal wearSpecs$63.00 -
Out of stock
Pro Filter - BCA-1002-01 - Oil Filter Cover - Honda
Pro Filter
$55.99Pro Filter - 07120632 - Oil Filter Cover - HondaFeaturesIncludes a sub-surface anodized finishLightweight and durableIncreases flowPrecision fit with a 3D CAD designExceeds all OEM specificationsSpecs$55.99 -
Out of stock
Psr - 00-02152-29 - Clutch Cable Adjuster - M10 x 1.25 - Gunmetal
PSR
$25.95Psr - 06170297 - Clutch Cable Adjuster - M10 x 1.25 - GunmetalFeaturesMachined billet aluminumSpecsBase Color$25.95 -
Pro Circuit - TB-14 - Throttle Tube - CRF110 - Aluminum
Pro Circuit
$79.95Pro Circuit - 06320865 - Throttle Tube - CRF110 - AluminumFeaturesStronger and more durable than OEM plastic unitsSpecs$79.95 -
Psr - 00-02152-22 - Clutch Cable Adjuster - M10 x 1.25 - Black
PSR
$25.95Psr - 06170293 - Clutch Cable Adjuster - M10 x 1.25 - BlackFeaturesMachined billet aluminumSpecsBase Color<$25.95 -
Out of stock
Pro Filter - BCA-3401-00 - Oil Filter Cover - Kawasaki/Suzuki
Pro Filter
$39.99Pro Filter - 07120636 - Oil Filter Cover - Kawasaki/SuzukiFeaturesIncludes a sub-surface anodized finishLightweight and durableIncreases flowPrecision fit with a 3D CAD designExceeds all OEM...$39.99 -
Pro Circuit - TB-13 - Throttle Tube - KLX - Aluminum
Pro Circuit
$79.95Pro Circuit - 06320864 - Throttle Tube - KLX - AluminumFeaturesStronger and more durable than OEM plastic unitsSpecs$79.95 -
Rekluse - 751-04047 - RadiusCX Clutch Kit Replacement - KX 450
Rekluse
$449.00Rekluse - 11313730 - RadiusCX Clutch Kit Replacement - KX 450FeaturesIncludes TorqDrive friction disks, steel drive plates, EXP bases (two halves) and PTFE pads for wedge serviceAvailable for most...$449.00 -
Rekluse - 751-01102 - RadiusCX Clutch Kit Replacement - CRF 450
Rekluse
$449.00Rekluse - 11313729 - RadiusCX Clutch Kit Replacement - CRF 450FeaturesIncludes TorqDrive friction disks, steel drive plates, EXP bases (two halves) and PTFE pads for wedge serviceAvailable for most...$449.00 -
Rekluse - RMS-7742 - Core EXP 3.0 Clutch - Kawasaki
Rekluse
$859.00Rekluse - 11300640 - Core EXP 3.0 Clutch - KawasakiFeaturesFull clutch control and use of the lever is retained for a no-compromise riding experienceCore EXP 3.0 offers dead-on clutch engagement...$859.00 -
Rekluse - RMS-0213080 - Clutch Damper Kit - Gas Gas/Husaberg/Husqvarna/KTM
Rekluse
$68.00Rekluse - 11313732 - Clutch Damper Kit - Gas Gas/Husaberg/Husqvarna/KTMFeaturesRekluse dampers are more heat resistant and less susceptible to shrinkingClutch component wear due to impact loading is...$68.00 -
Rekluse - RMS-7772 - Core EXP 3.0 Clutch - YZ 65/85
Rekluse
$899.00Rekluse - 11300630 - Core EXP 3.0 Clutch - YZ 65/85FeaturesFull clutch control and use of the lever is retained for a no-compromise riding experienceCore EXP 3.0 offers dead-on clutch engagement...$899.00
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.