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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MOOSE RACING Motor Gasket Kit with Seal - KDX250 811458
MOOSE RACING
$93.49MOOSE RACING Motor Gasket Kit with Seal KDX250 811458Moose can now handle all your gasket and seal needs at a fraction of OEM cost, Rebuild the engine and transmission with total confidence as each set is designed for durability and accurate fit, Oil...M811458- SKU:
- M811458
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- TYPE:
- COMPLETE
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- KIT
- TYPE:
- ENGINE
$93.49 -
MOOSE RACING Motor Gasket Kit with Seal - KLX300 811461
MOOSE RACING
$84.99MOOSE RACING Motor Gasket Kit with Seal KLX300 811461Moose can now handle all your gasket and seal needs at a fraction of OEM cost, Rebuild the engine and transmission with total confidence as each set is designed for durability and accurate fit, Oil...M811461- SKU:
- M811461
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- GASKET
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- TYPE:
- ENGINE
$84.99Qty in Cart: 0Quantity:Price:$84.99Subtotal: -
MOOSE RACING Motor Gasket Kit with Seal - RM250 811577
MOOSE RACING
$84.95MOOSE RACING Motor Gasket Kit with Seal RM250 811577Moose can now handle all your gasket and seal needs at a fraction of OEM cost, Rebuild the engine and transmission with total confidence as each set is designed for durability and accurate fit, Oil...M811577- SKU:
- M811577
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- TYPE:
- ENGINE
- PRODUCT NAME:
- GASKET
- UNITS:
- KIT
$84.95 -
MOOSE RACING Motor Gasket Kit with Seal - RMX250 811578
MOOSE RACING
$84.95MOOSE RACING Motor Gasket Kit with Seal RMX250 811578Moose can now handle all your gasket and seal needs at a fraction of OEM cost, Rebuild the engine and transmission with total confidence as each set is designed for durability and accurate fit, Oil...M811578- SKU:
- M811578
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- PRODUCT NAME:
- GASKET
- TYPE:
- ENGINE
- UNITS:
- KIT
$84.95 -
MOOSE RACING Complete Motor Gasket Kit - YZ250 808664
MOOSE RACING
$44.09MOOSE RACING Complete Motor Gasket Kit YZ250 808664Moose can now handle all your gasket and seal needs at a fraction of OEM cost., High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmission with total...M808664- SKU:
- M808664
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- PRODUCT NAME:
- GASKET
- UNITS:
- KIT
- TYPE:
- ENGINE
$44.09Qty in Cart: 0Quantity:Price:$44.09Subtotal: -
MOOSE RACING Complete Motor Gasket Kit - YZ250 808665
MOOSE RACING
$44.09MOOSE RACING Complete Motor Gasket Kit YZ250 808665Moose can now handle all your gasket and seal needs at a fraction of OEM cost., High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmission with total...M808665- SKU:
- M808665
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- PRODUCT NAME:
- GASKET
- UNITS:
- KIT
- TYPE:
- ENGINE
$44.09 -
MOOSE RACING Complete Motor Gasket Kit - YZ250 808666
MOOSE RACING
$41.56MOOSE RACING Complete Motor Gasket Kit YZ250 808666Moose can now handle all your gasket and seal needs at a fraction of OEM cost., High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmission with total...M808666- SKU:
- M808666
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- TYPE:
- ENGINE
- PRODUCT NAME:
- GASKET
- UNITS:
- KIT
$41.56 -
MOOSE RACING Complete Motor Gasket Kit - YZ250 808668
MOOSE RACING
$52.91MOOSE RACING Complete Motor Gasket Kit YZ250 808668Moose can now handle all your gasket and seal needs at a fraction of OEM cost., High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmission with total...M808668- SKU:
- M808668
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- TYPE:
- ENGINE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- PRODUCT NAME:
- GASKET
- UNITS:
- KIT
$52.91 -
ANDREWS Cam Set - Twin Cam 288159G
ANDREWS
$663.95ANDREWS Cam Set Twin Cam 288159GCams work well with fuel injection or carburetor models, Run best with low restriction exhausts (1700-5200 rpm), Works well with carbs or fuel injection, Bolt-in cam for more torque with stock compression, Can be used with...DS199251- SKU:
- DS199251
- Availability:
- Ships Same Business Day
- Weight:
- 3.02 LBS
- APPLICATION:
- EXHAUST
- EXHAUST LIFT AT TDC IMPERIAL:
- 0.218'
- EXHAUST LIFT IMPERIAL:
- 0.590'
- EXHAUST LOBE CENTERLINE IMPERIAL:
- 108°
- EXHAUST OPEN IMPERIAL:
- 63°
- GRIND:
- 59 SERIES
- INTAKE DURATION IMPERIAL:
- 266°
- INTAKE LOBE CENTERLINE IMPERIAL:
- 104°
- TYPE:
- GEAR
- INTAKE CLOSE IMPERIAL:
- 57°
- INTAKE LIFT IMPERIAL:
- 0.590'
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
- APPLICATION:
- INTAKE
- EXHAUST CLOSE IMPERIAL:
- 27°
- PRODUCT NAME:
- CAM KIT
- EXHAUST DURATION IMPERIAL:
- 270°
- INTAKE LIFT AT TDC IMPERIAL:
- 0.238'
- INTAKE OPEN IMPERIAL:
- 29°
$663.95 -
ANDREWS Low-Compression Cam - Shovelhead 212140
ANDREWS
$242.95ANDREWS Low-Compression Cam Shovelhead 212140Designed with a combination of shorter durations and higher lifts to offer the advantages of a broad torque output through the entire rpm range, Designed for hydraulics, but could be run with solids, Grind #1...DS199282- SKU:
- DS199282
- Availability:
- Ships Same Business Day
- Weight:
- 1.94 LBS
- APPLICATION:
- INTAKE
- EXHAUST CLOSE IMPERIAL:
- 16°
- PRODUCT NAME:
- CAM
- INTAKE DURATION IMPERIAL:
- 232°
- INTAKE LIFT AT TDC IMPERIAL:
- 0.136'
- RIDING STYLE:
- STREET
- EXHAUST DURATION IMPERIAL:
- 232°
- EXHAUST LIFT AT TDC IMPERIAL:
- 0.136'
- EXHAUST LIFT IMPERIAL:
- SHOVEL: 0.427' PAN: 0.450'
- EXHAUST OPEN IMPERIAL:
- 36°
- INTAKE LIFT IMPERIAL:
- SHOVEL: 0.427' PAN: 0.450'
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- GRIND:
- #1
- INTAKE CLOSE IMPERIAL:
- 36°
- INTAKE OPEN IMPERIAL:
- 16°
$242.95 -
ANDREWS Low-Compression Cam - Big Twin 212130
ANDREWS
$242.95ANDREWS Low-Compression Cam Big Twin 212130Designed with a combination of shorter durations and higher lifts to offer the advantages of a broad torque output through the entire rpm range, Designed for hydraulics, but could be run with solids, Grind #1 is...DS199283- SKU:
- DS199283
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- APPLICATION:
- INTAKE
- EXHAUST CLOSE IMPERIAL:
- 16°
- EXHAUST LIFT IMPERIAL:
- SHOVEL: 0.427' PAN: 0.450'
- GRIND:
- #1
- INTAKE DURATION IMPERIAL:
- 232°
- INTAKE LIFT AT TDC IMPERIAL:
- 0.136'
- INTAKE LIFT IMPERIAL:
- SHOVEL: 0.427' PAN: 0.450'
- RIDING STYLE:
- STREET
- APPLICATION:
- EXHAUST
- INTAKE CLOSE IMPERIAL:
- 36°
- INTAKE OPEN IMPERIAL:
- 16°
- EXHAUST DURATION IMPERIAL:
- 232°
- EXHAUST LIFT AT TDC IMPERIAL:
- 0.136'
- EXHAUST OPEN IMPERIAL:
- 36°
- PRODUCT NAME:
- CAM
- UNITS:
- EACH
$242.95 -
ANDREWS V4 Grind Cam - Evolution - XL 298140
ANDREWS
$486.95ANDREWS V4 Grind Cam Evolution XL 298140Cams run to 6500 rpm with stock hydraulic lifters; recommend solids not be installed, Stock base circle sizes allow the use of stock pushrods, Made in the U.S.A.DS199296- SKU:
- DS199296
- Availability:
- Ships Same Business Day
- Weight:
- 4.20 LBS
- APPLICATION:
- INTAKE
- EXHAUST LIFT AT TDC IMPERIAL:
- 0.189'
- EXHAUST LIFT IMPERIAL:
- 0.490'
- EXHAUST OPEN IMPERIAL:
- 52°
- INTAKE LIFT AT TDC IMPERIAL:
- 0.216'
- TYPE:
- CHAIN
- INTAKE DURATION IMPERIAL:
- 256°
- INTAKE LOBE CENTERLINE IMPERIAL:
- 98°
- PRODUCT NAME:
- CAM KIT
- RIDING STYLE:
- STREET
- UNITS:
- 4 PACK
- APPLICATION:
- EXHAUST
- EXHAUST DURATION IMPERIAL:
- 256°
- EXHAUST LOBE CENTERLINE IMPERIAL:
- 104°
- GRIND:
- V4
- INTAKE LIFT IMPERIAL:
- 0.490'
- INTAKE OPEN IMPERIAL:
- 30°
- EXHAUST CLOSE IMPERIAL:
- 24°
- INTAKE CLOSE IMPERIAL:
- 46°
$486.95 -
ANDREWS Grind Cam 212420
ANDREWS
$242.95ANDREWS Grind Cam 212420These hydraulic lifter cams are capable of 6000-plus rpm with stock springs and no valve float, Made in the U.S.A.DS199297- SKU:
- DS199297
- Availability:
- Ships Same Business Day
- Weight:
- 1.81 LBS
- APPLICATION:
- EXHAUST
- APPLICATION:
- INTAKE
- EXHAUST CLOSE IMPERIAL:
- 24°
- EXHAUST LIFT AT TDC IMPERIAL:
- SHOVEL: 0.156' PAN: 0.164'
- EXHAUST LIFT IMPERIAL:
- SHOVEL: 0.450' PAN: 0.470'
- EXHAUST OPEN IMPERIAL:
- 52°
- GRIND:
- BH
- INTAKE OPEN IMPERIAL:
- 24°
- PRODUCT NAME:
- CAM
- TYPE:
- GEAR
- INTAKE CLOSE IMPERIAL:
- 52°
- INTAKE DURATION IMPERIAL:
- 256°
- INTAKE LIFT IMPERIAL:
- SHOVEL: 0.450' PAN: 0.470'
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- EXHAUST DURATION IMPERIAL:
- 256°
- INTAKE LIFT AT TDC IMPERIAL:
- SHOVEL: 0.156' PAN: 0.164'
$242.95 -
WISECO Piston Kit - Yamaha XT/TT 4045M08900
WISECO
$268.67WISECO Piston Kit Yamaha XT/TT 4045M08900Pistons come without gasket kit9102901- SKU:
- 9102901
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
$268.67Qty in Cart: 0Quantity:Price:$268.67Subtotal: -
WISECO Piston - Yamaha - Standard 236M05600
WISECO
$159.95WISECO Piston Yamaha Standard 236M05600Forged from high-silicon alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications, All Wiseco pistons are priced with...236M05600- SKU:
- 236M05600
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
$159.95Qty in Cart: 0Quantity:Price:$159.95Subtotal: -
MOOSE RACING Top End Gasket Kit - RM 250 810587
MOOSE RACING
$37.78MOOSE RACING Top End Gasket Kit RM 250 810587Moose can now handle all your gasket and seal needs at a fraction of OEM cost, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmission with total confidence as...M810587- SKU:
- M810587
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
$37.78 -
MOOSE RACING Top End Gasket Kit - YZ 80 810611
MOOSE RACING
$16.34MOOSE RACING Top End Gasket Kit YZ 80 810611Moose can now handle all your gasket and seal needs at a fraction of OEM cost, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmission with total confidence as...M810611- SKU:
- M810611
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
$16.34 -
MOOSE RACING Top End Gasket Kit - YZ 80 810612
MOOSE RACING
$16.34MOOSE RACING Top End Gasket Kit YZ 80 810612Moose can now handle all your gasket and seal needs at a fraction of OEM cost, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmission with total confidence as...M810612- SKU:
- M810612
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- TOP END
$16.34 -
MOOSE RACING Top End Gasket Kit - YZ 80 810613
MOOSE RACING
$18.86MOOSE RACING Top End Gasket Kit YZ 80 810613Moose can now handle all your gasket and seal needs at a fraction of OEM cost, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmission with total confidence as...M810613- SKU:
- M810613
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
$18.86 -
MOOSE RACING Top End Gasket Kit - YZ 85 810614
MOOSE RACING
$21.00MOOSE RACING Top End Gasket Kit YZ 85 810614Moose can now handle all your gasket and seal needs at a fraction of OEM cost, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmission with total confidence as...M810614- SKU:
- M810614
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
$21.00
