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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COMETIC Crank Seal Kit C7653
COMETIC
$21.95COMETIC Crank Seal Kit C7653Gaskets and gasket sets used by professionals in high-performance machines and as OE replacements worldwide, Domestically made sets include the correct amount of seals for one application, Made in the U.S.A.9344314- SKU:
- 9344314
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- CRANKSHAFT
- PRODUCT NAME:
- SEAL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- OIL
$21.95 -
COMETIC Top End Gasket Set - Yamaha C7530
COMETIC
$26.95COMETIC Top End Gasket Set Yamaha C7530Top end gasket kits include correct base, head gasket and cylinder O-rings as well as other top end specific O-rings or seals needed for R&R of top end, MLS head gaskets promote an even torque load across the gasket...9344310- SKU:
- 9344310
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- TOP END
- BORE SIZE METRIC:
- 87.50 MM
$26.95 -
COMETIC Exhaust Gasket - Yamaha C7507EX
COMETIC
$10.95COMETIC Exhaust Gasket Yamaha C7507EXGasket material and construction will vary by application to ensure longevity with leak free performance under all conditions, 4-stroke applications utilize a double-sided Viton® rubber-coated stainless steel gasket...9344305- SKU:
- 9344305
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- TYPE:
- EXHAUST
- MODEL:
- HI-PERFORMANCE
- PRODUCT NAME:
- GASKET
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
$10.95 -
COMETIC Bottom End Gasket Set - Yamaha C7507BE
COMETIC
$90.95COMETIC Bottom End Gasket Set Yamaha C7507BEBottom end gasket kits include correct oil seals, O-rings, drain plug washers and water pump cover gaskets as needed, Materials will vary depending on what is correct and engineered for specified application,...9344304- SKU:
- 9344304
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- BOTTOM END
- MODEL:
- HI-PERFORMANCE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$90.95 -
COMETIC Top End Gasket Set - Honda C7466
COMETIC
$34.95COMETIC Top End Gasket Set Honda C7466Top end gasket kits include correct base, head gasket and cylinder O-rings as well as other top end specific O-rings or seals needed for R&R of top end, MLS head gaskets promote an even torque load across the gasket...9344302- SKU:
- 9344302
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- THICKNESS METRIC:
- 0.31 MM
- THICKNESS IMPERIAL:
- 0,012'
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 57.70 MM
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- TOP END
$34.95 -
COMETIC Top End Gasket Set - Honda C7465
COMETIC
$38.95COMETIC Top End Gasket Set Honda C7465Top end gasket kits include correct base, head gasket and cylinder O-rings as well as other top end specific O-rings or seals needed for R&R of top end, MLS head gaskets promote an even torque load across the gasket...9344301- SKU:
- 9344301
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
- BORE SIZE METRIC:
- 58.00 MM
- THICKNESS IMPERIAL:
- 0,012'
- THICKNESS METRIC:
- 0.31 MM
- PRODUCT NAME:
- GASKET KIT
$38.95 -
COMETIC Exhaust Gasket C7399EX
COMETIC
$4.95COMETIC Exhaust Gasket C7399EXGasket material and construction will vary by application to ensure longevity with leak free performance under all conditions, 4-stroke applications utilize a double-sided Viton® rubber-coated stainless steel gasket...9344298- SKU:
- 9344298
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- BORE SIZE METRIC:
- 58.00 MM
- MODEL:
- HI-PERFORMANCE
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- ATV
- ENGINE TYPE:
- 2-STROKE
- TYPE:
- EXHAUST
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
$4.95 -
COMETIC Top End Gasket Set - Honda C7278
COMETIC
$42.95COMETIC Top End Gasket Set Honda C7278Top end gasket kits include correct base, head gasket and cylinder O-rings as well as other top end specific O-rings or seals needed for R&R of top end, MLS head gaskets promote an even torque load across the gasket...9344269- SKU:
- 9344269
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- BORE SIZE METRIC:
- 71.00 MM
- THICKNESS IMPERIAL:
- 0,012'
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- TOP END
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- THICKNESS METRIC:
- 0.31 MM
$42.95 -
COMETIC Top End Gasket Set - Yamaha C7252
COMETIC
$36.95COMETIC Top End Gasket Set Yamaha C7252Top end gasket kits include correct base, head gasket and cylinder O-rings as well as other top end specific O-rings or seals needed for R&R of top end, MLS head gaskets promote an even torque load across the gasket...9344261- SKU:
- 9344261
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- BORE SIZE METRIC:
- 90.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- KIT
$36.95 -
COMETIC Exhaust Gasket - KTM C3222EX
COMETIC
$8.95COMETIC Exhaust Gasket KTM C3222EXGasket material and construction will vary by application to ensure longevity with leak free performance under all conditions, 4-stroke applications utilize a double-sided Viton® rubber-coated stainless steel gasket...9344112- SKU:
- 9344112
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- GASKET
- MODEL:
- HI-PERFORMANCE
- TYPE:
- EXHAUST
- UNITS:
- SET
$8.95 -
On Sale
HOT RODS Water Pump Repair Kit - Honda WPK0009
HOT RODS
MSRP: $28.95Now: $26.96Was: $29.95HOT RODS Water Pump Repair Kit Honda WPK0009Kits include water pump cover gasket, water pump shaft bearing(s) and seal(s) to repair a leaking pump or failed bearing, Precision micro bearings provide OEM quality and durability, High-pressure/temperature...9342921- SKU:
- 9342921
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP REPAIR
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
MSRP: $28.95Now: $26.96Was: $29.95Qty in Cart: 0Quantity:Price:MSRP: $28.95Now: $26.96Was: $29.95Subtotal: -
On Sale
HOT RODS Water Pump Repair Kit - Honda WPK0005
HOT RODS
MSRP: $27.95Now: $26.06Was: $28.95HOT RODS Water Pump Repair Kit Honda WPK0005Kits include water pump cover gasket, water pump shaft bearing(s) and seal(s) to repair a leaking pump or failed bearing, Precision micro bearings provide OEM quality and durability, High-pressure/temperature...9342917- SKU:
- 9342917
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP REPAIR
- UNITS:
- KIT
MSRP: $27.95Now: $26.06Was: $28.95 -
On Sale
HOT RODS Water Pump Repair Kit - Honda WPK0004
HOT RODS
MSRP: $89.95Now: $82.76Was: $91.95HOT RODS Water Pump Repair Kit Honda WPK0004Kits include water pump cover gasket, water pump shaft bearing(s) and seal(s) to repair a leaking pump or failed bearing, Precision micro bearings provide OEM quality and durability, High-pressure/temperature...9342916- SKU:
- 9342916
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP REPAIR
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- ATV
MSRP: $89.95Now: $82.76Was: $91.95 -
On Sale
HOT RODS Water Pump Repair Kit - Honda WPK0003
HOT RODS
MSRP: $50.95Now: $46.76Was: $51.95HOT RODS Water Pump Repair Kit Honda WPK0003Kits include water pump cover gasket, water pump shaft bearing(s) and seal(s) to repair a leaking pump or failed bearing, Precision micro bearings provide OEM quality and durability, High-pressure/temperature...9342915- SKU:
- 9342915
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- WATER PUMP REPAIR
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
MSRP: $50.95Now: $46.76Was: $51.95Qty in Cart: 0Quantity:Price:MSRP: $50.95Now: $46.76Was: $51.95Subtotal: -
On Sale
ATHENA Gasket Kit - YZ250 P400485160183
ATHENA
MSRP: $28.95Now: $26.06Was: $28.95ATHENA Gasket Kit YZ250 P400485160183Kits include aluminum cylinder with nickel-carbide coating designed with larger water jackets, Forged piston with molybdenum coating, Special gasket kit, Easy-to-follow step-by-step installation instructions, All are...9342584- SKU:
- 9342584
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
- BORE SIZE:
- 72,00 MM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
- DISPLACEMENT:
- 293 CC
- BORE SIZE METRIC:
- 72.00 MM
- PRODUCT NAME:
- GASKET KIT
MSRP: $28.95Now: $26.06Was: $28.95 -
On Sale
ATHENA Top End Gasket Kit - Suzuki P400510600045
ATHENA
MSRP: $91.95Now: $82.76Was: $91.95ATHENA Top End Gasket Kit Suzuki P400510600045Specifically designed for the pro, semi-pro and amateur rider who freshens up their engine prior to a race or during midseason. Gives the rider a choice of using standard gas with stock compression, or race...9342582- SKU:
- 9342582
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- TYPE:
- TOP END
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- GASKET KIT
MSRP: $91.95Now: $82.76Was: $91.95 -
On Sale
ATHENA Top End Gasket Kit - Yamaha P400485600069
ATHENA
MSRP: $91.95Now: $82.76Was: $91.95ATHENA Top End Gasket Kit Yamaha P400485600069Specifically designed for the pro, semi-pro and amateur rider who freshens up their engine prior to a race or during midseason. Gives the rider a choice of using standard gas with stock compression, or race...9342581- SKU:
- 9342581
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- TYPE:
- TOP END
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- ATV
MSRP: $91.95Now: $82.76Was: $91.95 -
On Sale
ATHENA Top End Gasket Kit - Yamaha P400485600053
ATHENA
MSRP: $91.95Now: $82.76Was: $91.95ATHENA Top End Gasket Kit Yamaha P400485600053Specifically designed for the pro, semi-pro and amateur rider who freshens up their engine prior to a race or during midseason. Gives the rider a choice of using standard gas with stock compression, or race...9342580- SKU:
- 9342580
- Availability:
- Ships Same Business Day
- Weight:
- 0.22 LBS
- UNITS:
- KIT
- TYPE:
- TOP END
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- ATV
MSRP: $91.95Now: $82.76Was: $91.95 -
On Sale
ATHENA Top End Gasket Kit - Kawasaki P400250600047
ATHENA
MSRP: $81.95Now: $73.76Was: $81.95ATHENA Top End Gasket Kit Kawasaki P400250600047Specifically designed for the pro, semi-pro and amateur rider who freshens up their engine prior to a race or during midseason. Gives the rider a choice of using standard gas with stock compression, or race...9342577- SKU:
- 9342577
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- TOP END
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $81.95Now: $73.76Was: $81.95 -
On Sale
ATHENA Top End Gasket Kit - Honda P400210600064
ATHENA
MSRP: $81.95Now: $73.76Was: $81.95ATHENA Top End Gasket Kit Honda P400210600064Specifically designed for the pro, semi-pro and amateur rider who freshens up their engine prior to a race or during midseason. Gives the rider a choice of using standard gas with stock compression, or race...9342574- SKU:
- 9342574
- Availability:
- Ships Same Business Day
- Weight:
- 0.24 LBS
- TYPE:
- TOP END
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
MSRP: $81.95Now: $73.76Was: $81.95
