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!
-
Dirt Bike Cams and Parts
-
Dirt Bike Connecting Rods and Parts
-
Dirt Bike Crankcases and Parts
-
Dirt Bike Crankshafts and Parts
-
Dirt Bike Cylinder Heads and Parts
-
Dirt Bike Cylinders and Parts
-
Dirt Bike Engine Bearings
-
Dirt Bike Engine Covers
-
Dirt Bike Engine Gaskets and Kits
-
Dirt Bike Engine Rebuild Kits
-
Dirt Bike Engine Seals - Orings and Kits
-
Dirt Bike Engine Valves and Parts
-
Dirt Bike Flywheel and Rod Assemblies
-
Dirt Bike Fuel Filters
-
Dirt Bike Miscellaneous Engine Parts
-
Dirt Bike Oil Coolers
-
Dirt Bike Oil Filters
-
Dirt Bike Oil Lines
-
Dirt Bike Oil Pumps
-
Dirt Bike Piston and Ring Kits
-
Dirt Bike Piston Rings Only
-
Dirt Bike Wrist Pins and Circlips
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
COMETIC Top End Gasket Set C3174-EST
COMETIC
$100.95COMETIC Top End Gasket Set C3174-ESTTop 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...9342432- SKU:
- 9342432
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- TYPE:
- TOP END
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 77.00 MM
- PRODUCT NAME:
- GASKET KIT
$100.95 -
COMETIC Top End Gasket Set C7691-EST
COMETIC
$95.95COMETIC Top End Gasket Set C7691-ESTTop 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...9342428- SKU:
- 9342428
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- TYPE:
- TOP END
- BORE SIZE METRIC:
- 97.00 MM
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$95.95Qty in Cart: 0Quantity:Price:$95.95Subtotal: -
COMETIC Top End Gasket Set C7944-EST
COMETIC
$95.95COMETIC Top End Gasket Set C7944-ESTTop 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...9342426- SKU:
- 9342426
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- TOP END
- BORE SIZE METRIC:
- 95.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
$95.95 -
COMETIC Top End Gasket Set C3268-EST
COMETIC
$92.95COMETIC Top End Gasket Set C3268-ESTTop 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...9342420- SKU:
- 9342420
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- GASKET KIT
- BORE SIZE METRIC:
- 96.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- TOP END
$92.95 -
COMETIC Top End Gasket Set C3267-EST
COMETIC
$100.95COMETIC Top End Gasket Set C3267-ESTTop 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...9342414- SKU:
- 9342414
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
- BORE SIZE METRIC:
- 78.00 MM
- TYPE:
- TOP END
$100.95 -
COMETIC Top End Gasket Set C7924-EST
COMETIC
$108.95COMETIC Top End Gasket Set C7924-ESTTop 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...9342410- SKU:
- 9342410
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BORE SIZE METRIC:
- 87.00 MM
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- ATV
- TYPE:
- TOP END
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$108.95 -
COMETIC Top End Gasket Set C3187-EST
COMETIC
$64.95COMETIC Top End Gasket Set C3187-ESTTop 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...9342405- SKU:
- 9342405
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- BORE SIZE METRIC:
- 66.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- TOP END
$64.95 -
COMETIC Top End Gasket Set C3416
COMETIC
$47.95COMETIC Top End Gasket Set C3416Top 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...9342395- SKU:
- 9342395
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- BORE SIZE METRIC:
- 45.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- TOP END
- PRODUCT NAME:
- GASKET KIT
$47.95 -
On Sale
CYLINDER WORKS Big Bore Gasket Kit 23001-G01
CYLINDER WORKS
MSRP: $91.95Now: $84.56Was: $93.95CYLINDER WORKS Big Bore Gasket Kit 23001-G01Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced...9342387- SKU:
- 9342387
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- UTV
- TYPE:
- TOP END
- PRODUCT NAME:
- GASKET KIT
- STYLE:
- BIG BORE
- UNITS:
- KIT
MSRP: $91.95Now: $84.56Was: $93.95 -
On Sale
CYLINDER WORKS Big Bore Gasket Kit 21107-G01
CYLINDER WORKS
MSRP: $85.95Now: $77.36Was: $85.95Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced engine noise, Nickel Silicon Carbide plated for...9342386- SKU:
- 9342386
- Weight:
- 0.10 LBS
MSRP: $85.95Now: $77.36Was: $85.95Qty in Cart: 0Quantity:Price:MSRP: $85.95Now: $77.36Was: $85.95Subtotal: -
On Sale
CYLINDER WORKS Big Bore Gasket Kit 11007-G01
CYLINDER WORKS
MSRP: $85.95Now: $77.36Was: $85.95CYLINDER WORKS Big Bore Gasket Kit 11007-G01Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced...9342383- SKU:
- 9342383
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MATERIAL:
- NICKEL SILICON CARBIDE
- BORE SIZE METRIC:
- OVERSIZED (+3.00 MM)
- TYPE:
- TOP END
- PRODUCT NAME:
- GASKET KIT
- STYLE:
- BIG BORE
MSRP: $85.95Now: $77.36Was: $85.95 -
On Sale
CYLINDER WORKS Big Bore Gasket Kit 51002-G01
CYLINDER WORKS
MSRP: $117.95Now: $107.96Was: $119.95CYLINDER WORKS Big Bore Gasket Kit 51002-G01Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced...9342370- SKU:
- 9342370
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- MATERIAL:
- NICKEL SILICON CARBIDE
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- BIG BORE
- UNITS:
- KIT
- TYPE:
- TOP END
MSRP: $117.95Now: $107.96Was: $119.95 -
On Sale
CYLINDER WORKS Big Bore Gasket Kit 51001-G01
CYLINDER WORKS
MSRP: $122.95Now: $112.46Was: $124.95CYLINDER WORKS Big Bore Gasket Kit 51001-G01Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced...9342369- SKU:
- 9342369
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MATERIAL:
- NICKEL SILICON CARBIDE
- STYLE:
- BIG BORE
- TYPE:
- TOP END
- PRODUCT NAME:
- GASKET KIT
MSRP: $122.95Now: $112.46Was: $124.95 -
On Sale
CYLINDER WORKS Standard Bore Gasket Kit 860VG810339
CYLINDER WORKS
MSRP: $85.95Now: $77.36Was: $85.95Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced engine noise, Nickel Silicon Carbide plated for...9342367- SKU:
- 9342367
- Weight:
- 2.00 LBS
MSRP: $85.95Now: $77.36Was: $85.95Qty in Cart: 0Quantity:Price:MSRP: $85.95Now: $77.36Was: $85.95Subtotal: -
On Sale
ATHENA Top End Gasket Kit - KTM P400270600028
ATHENA
MSRP: $73.95Now: $66.56Was: $73.95ATHENA Top End Gasket Kit KTM P400270600028Specifically 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 gas...9342346- SKU:
- 9342346
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
- TYPE:
- TOP END
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
MSRP: $73.95Now: $66.56Was: $73.95 -
On Sale
ATHENA Top End Gasket Kit - KTM P400270600019
ATHENA
MSRP: $108.95Now: $98.06Was: $108.95ATHENA Top End Gasket Kit KTM P400270600019Specifically 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 gas...9342345- SKU:
- 9342345
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- TYPE:
- TOP END
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- GASKET KIT
MSRP: $108.95Now: $98.06Was: $108.95 -
On Sale
ATHENA Top End Gasket Kit - KTM P400270600045
ATHENA
MSRP: $47.95Now: $43.16Was: $47.95ATHENA Top End Gasket Kit KTM P400270600045Specifically 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 gas...9342341- SKU:
- 9342341
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- UNITS:
- KIT
- TYPE:
- TOP END
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- OFF-ROAD
MSRP: $47.95Now: $43.16Was: $47.95 -
On Sale
ATHENA Top End Gasket Kit - KTM P400270600044
ATHENA
MSRP: $50.95Now: $45.86Was: $50.95ATHENA Top End Gasket Kit KTM P400270600044Specifically 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 gas...9342340- SKU:
- 9342340
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
- TYPE:
- TOP END
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $50.95Now: $45.86Was: $50.95Qty in Cart: 0Quantity:Price:MSRP: $50.95Now: $45.86Was: $50.95Subtotal: -
On Sale
ATHENA Complete Gasket Kit - KTM P400270850044
ATHENA
MSRP: $92.95Now: $83.66Was: $92.95ATHENA Complete Gasket Kit KTM P400270850044Superior-quality gasket sets from Athena, Head gaskets feature rubber-coated spring steel construction, Soft steel base gaskets are rubber coated, Steel core materials feature high springback and superior...9342339- SKU:
- 9342339
- Availability:
- Ships Same Business Day
- Weight:
- 0.33 LBS
- PRODUCT NAME:
- GASKET KIT
- ENGINE TYPE:
- -
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- UNITS:
- KIT
- RIDING STYLE:
- STREET
MSRP: $92.95Now: $83.66Was: $92.95Qty in Cart: 0Quantity:Price:MSRP: $92.95Now: $83.66Was: $92.95Subtotal: -
On Sale
ATHENA Complete Gasket Kit - KTM P400270850045
ATHENA
MSRP: $110.95Now: $99.86Was: $110.95ATHENA Complete Gasket Kit KTM P400270850045Superior-quality gasket sets from Athena, Head gaskets feature rubber-coated spring steel construction, Soft steel base gaskets are rubber coated, Steel core materials feature high springback and superior...9342337- SKU:
- 9342337
- Availability:
- Ships Same Business Day
- Weight:
- 0.32 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- ENGINE TYPE:
- -
- UNITS:
- KIT
MSRP: $110.95Now: $99.86Was: $110.95
