Dirt Bike Engine
Explore our selection for dirt bike parts for adding horsepower or reliability to a dirt bike's engine. We feature engine parts from Wiseco, Vertex, and more common engine part manufacturers. Get new pistons and gasket kits for re-freshening engines to withstand any conditions you put your bike through!
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Dirt Bike Cams and Parts
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Dirt Bike Connecting Rods and Parts
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Dirt Bike Crankcases and Parts
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Dirt Bike Crankshafts and Parts
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Dirt Bike Cylinder Heads and Parts
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Dirt Bike Cylinders and Parts
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Dirt Bike Engine Bearings
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Dirt Bike Engine Covers
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Dirt Bike Engine Gaskets and Kits
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Dirt Bike Engine Rebuild Kits
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Dirt Bike Engine Seals - Orings and Kits
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Dirt Bike Engine Valves and Parts
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Dirt Bike Flywheel and Rod Assemblies
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Dirt Bike Fuel Filters
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Dirt Bike Miscellaneous Engine Parts
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Dirt Bike Oil Coolers
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Dirt Bike Oil Filters
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Dirt Bike Oil Lines
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Dirt Bike Oil Pumps
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Dirt Bike Piston and Ring Kits
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Dirt Bike Piston Rings Only
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Dirt Bike Wrist Pins and Circlips
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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DEL WEST Exhaust Valve DW-YFZ450R1EV03
DEL WEST
$172.95DEL WEST Exhaust Valve DW-YFZ450R1EV03Meets the demands of off-road, all valves are backed by an established record of performance and reliability in competition that is unapproachable9261735- SKU:
- 9261735
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- VALVE
- APPLICATION:
- EXHAUST
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- MATERIAL:
- TITANIUM
$172.95 -
DEL WEST Exhaust Valve DW-YFZ450R2EV03
DEL WEST
$172.95DEL WEST Exhaust Valve DW-YFZ450R2EV03Meets the demands of off-road, all valves are backed by an established record of performance and reliability in competition that is unapproachable9261736- SKU:
- 9261736
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- MATERIAL:
- TITANIUM
$172.95 -
BBR MOTORSPORTS Valve Springs 411-HCF-1504
BBR MOTORSPORTS
$92.95BBR MOTORSPORTS Valve Springs 411-HCF-1504An essential component for building a high-performance, high-revving CRF motor, Required when using the BBR High Performance camshaft for the CRF150F/230F, Built from the highest quality chrome-silicon wire,...9260209- SKU:
- 9260209
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MATERIAL:
- CHROME-SILICON
- PRODUCT NAME:
- SPRING
- TYPE:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
$92.95 -
BBR MOTORSPORTS High Performance Cam 411-YTR-1212
BBR MOTORSPORTS
$197.95BBR MOTORSPORTS High Performance Cam 411-YTR-1212Designed by BBR9250080- SKU:
- 9250080
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- CAMSHAFT
$197.95Qty in Cart: 0Quantity:Price:$197.95Subtotal: -
BBR MOTORSPORTS Piston Kit 411-HCF-1111
BBR MOTORSPORTS
$150.95BBR MOTORSPORTS Piston Kit 411-HCF-1111Replacement piston kit for 132cc Big Bore Kit, 55 mm lightweight aluminum piston kit9104652- SKU:
- 9104652
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- PISTON MATERIAL:
- ALUMINUM
- UNITS:
- KIT
- BORE SIZE METRIC:
- 55.00 MM
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- PISTON KIT
- DISPLACEMENT:
- 132 CC
- STYLE:
- BIG BORE
$150.95 -
BBR MOTORSPORTS Gasket Kit - 106cc - Super Stroker 411-HXR-5310
BBR MOTORSPORTS
$34.95BBR MOTORSPORTS Gasket Kit 106cc Super Stroker 411-HXR-5310Gasket kit for 106CC Super Pro Stroker9341518- SKU:
- 9341518
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- GASKET KIT
- UNITS:
- KIT
$34.95 -
BBR MOTORSPORTS Gasket Kit - KLX/DRZ 411-KLX-1410
BBR MOTORSPORTS
$29.95BBR MOTORSPORTS Gasket Kit KLX/DRZ 411-KLX-1410Replacement Gasket designed for BBR 132cc Big Bore Kit9341051- SKU:
- 9341051
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
- STYLE:
- BIG BORE
- DISPLACEMENT:
- 143 CC
$29.95Qty in Cart: 0Quantity:Price:$29.95Subtotal: -
BBR MOTORSPORTS Camshaft 411-KLX-1121
BBR MOTORSPORTS
$150.95BBR MOTORSPORTS Camshaft 411-KLX-1121Designed by BBR9251130- SKU:
- 9251130
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- PRODUCT NAME:
- CAMSHAFT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$150.95 -
BBR MOTORSPORTS High Performance Cam 411-KLX-1120
BBR MOTORSPORTS
$150.95BBR MOTORSPORTS High Performance Cam 411-KLX-1120Designed by BBR9250079- SKU:
- 9250079
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- CAMSHAFT
- UNITS:
- EACH
$150.95 -
BBR MOTORSPORTS High Performance Cam 411-HCF-1503
BBR MOTORSPORTS
$185.95BBR MOTORSPORTS High Performance Cam 411-HCF-1503Designed by BBR9250081- SKU:
- 9250081
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- PRODUCT NAME:
- CAMSHAFT
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
$185.95Qty in Cart: 0Quantity:Price:$185.95Subtotal: -
BBR MOTORSPORTS Engine Kit - Kawasaki 411-KLX-1403
BBR MOTORSPORTS
$417.95BBR MOTORSPORTS Engine Kit Kawasaki 411-KLX-1403Bolt on and go; BBR offers the largest displacement bore kits available without the need to bore engine cases, Complete kits include aluminum plated cylinder, BBR motocross-grind camshaft, piston kit and...9031325- SKU:
- 9031325
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
- DISPLACEMENT:
- 143 CC
- BORE SIZE METRIC:
- 60.00 MM
- TYPE:
- ENGINE
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- BIG BORE
- UNITS:
- KIT
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- REBUILD KIT
$417.95 -
BBR MOTORSPORTS Piston Kit - 175cc 411-HCF-1505
BBR MOTORSPORTS
$185.95BBR MOTORSPORTS Piston Kit 175cc 411-HCF-1505Replacement piston kit includes piston, rings, pin and clips9100584- SKU:
- 9100584
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- PISTON KIT
- STYLE:
- BIG BORE
- DISPLACEMENT:
- 175 CC
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$185.95 -
BBR MOTORSPORTS Piston Kit - 120cc 411-HXR-1011
BBR MOTORSPORTS
$173.95BBR MOTORSPORTS Piston Kit 120cc 411-HXR-1011Replacement piston kit includes piston, rings, pin and clips9100585- SKU:
- 9100585
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- BIG BORE
- UNITS:
- KIT
- DISPLACEMENT:
- 120 CC
$173.95 -
BBR MOTORSPORTS Piston Kit - 88cc - Super Pro Bore 411-HXR-5211
BBR MOTORSPORTS
$139.95BBR MOTORSPORTS Piston Kit 88cc Super Pro Bore 411-HXR-5211Replacement piston kit includes piston, rings, pin and clips9100587- SKU:
- 9100587
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- SUPER PRO BORE
- DISPLACEMENT:
- 88 CC
$139.95 -
BBR MOTORSPORTS Piston Kit - 88cc 411-HXR-5411
BBR MOTORSPORTS
$139.95BBR MOTORSPORTS Piston Kit 88cc 411-HXR-5411Replacement piston kit includes piston, rings, pin and clips9100588- SKU:
- 9100588
- Availability:
- Ships Same Business Day
- Weight:
- 0.29 LBS
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- DISPLACEMENT:
- 88 CC
- PRODUCT NAME:
- PISTON KIT
- STYLE:
- BIG BORE
$139.95 -
BBR MOTORSPORTS Piston Kit 411-KLX-1101
BBR MOTORSPORTS
$162.95BBR MOTORSPORTS Piston Kit 411-KLX-1101Comes complete with piston, rings, piston pin, clips and gaskets9100589- SKU:
- 9100589
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- STYLE:
- BIG BORE
- DISPLACEMENT:
- 130 CC
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- BORE SIZE METRIC:
- 57.00 MM
$162.95Qty in Cart: 0Quantity:Price:$162.95Subtotal: -
BBR MOTORSPORTS Piston Kit - 150cc 411-YTR-1213
BBR MOTORSPORTS
$173.95BBR MOTORSPORTS Piston Kit 150cc 411-YTR-1213Replacement piston kit includes piston, rings, pin and clips9100590- SKU:
- 9100590
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- STYLE:
- BIG BORE
- DISPLACEMENT:
- 150 CC
- PRODUCT NAME:
- PISTON KIT
$173.95 -
BBR MOTORSPORTS Piston Kit 410-HCF-2301
BBR MOTORSPORTS
$197.95BBR MOTORSPORTS Piston Kit 410-HCF-2301Comes complete with piston, rings, piston pin, clips and gaskets9100591- SKU:
- 9100591
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- BORE SIZE METRIC:
- 67.00 MM
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- BIG BORE
- DISPLACEMENT:
- 240 CC
$197.95Qty in Cart: 0Quantity:Price:$197.95Subtotal: -
BBR MOTORSPORTS Engine Kit - 240cc 411-HCF-2301
BBR MOTORSPORTS
$347.95BBR MOTORSPORTS Engine Kit 240cc 411-HCF-2301Requires stock cylinder to be bored for installation, Quick and easy bore-in for big power boost, High compression kit includes high-performance piston, rings, piston pin, clips, BBR exclusive MX-grind...9030451- SKU:
- 9030451
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
- PISTON SIZE METRIC:
- 67.00 MM
- STROKE LENGTH METRIC:
- 66.20 MM
- TYPE:
- ENGINE
- PRODUCT NAME:
- REBUILD KIT
- STYLE:
- BIG BORE
- UNITS:
- KIT
- DISPLACEMENT:
- 240 CC
- RIDING STYLE:
- OFF-ROAD
$347.95Qty in Cart: 0Quantity:Price:$347.95Subtotal: -
ACERBIS X-Power Cover Kit - Black - KTM/Husqvarna 2726840001
ACERBIS
$69.95ACERBIS X-Power Cover Kit Black KTM/Husqvarna 2726840001Engine crankcase and Ignition/clutch cover, Protects against dirt, debris and impact, Installs easily with stock crankcase and Ignition/clutch cover bolts, Molded openings for easy access to oil cap...9401766- SKU:
- 9401766
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- X-POWER
- UNITS:
- KIT
- MATERIAL:
- PLASTIC
- PRODUCT NAME:
- COVER
- TYPE:
- ENGINE
$69.95
