Dirt Bike Engine
Discover a full range of dirt bike engine components for rebuilding or upgrading your performance. From crankshafts to cylinder heads and piston kits, these precision-engineered components ensure reliable performance. For additional upgrades, check out our full selection of off-road dirt bike parts.
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- Price
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COMETIC Top End Gasket Set - YZ250 C7855
COMETIC
$47.95COMETIC Top End Gasket Set YZ250 C7855Top 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...C7855- SKU:
- C7855
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- GASKET KIT
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
$47.95 -
COMETIC Top End Gasket Set - Kawasaki C7392
COMETIC
$44.95COMETIC Top End Gasket Set Kawasaki C7392Top 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...C7392- SKU:
- C7392
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 53.00 MM
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- TOP END
- UNITS:
- KIT
$44.95 -
COMETIC Gasket Set - XR400 C7279
COMETIC
$40.95COMETIC Gasket Set XR400 C7279Top 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 sealing...C7279- SKU:
- C7279
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- ATV
- BORE SIZE METRIC:
- 86.00 MM
- TYPE:
- TOP END
- UNITS:
- KIT
$40.95 -
COMETIC Gasket Set - TT600 C7213
COMETIC
$36.95COMETIC Gasket Set TT600 C7213Top 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 sealing...C7213- SKU:
- C7213
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- BORE SIZE METRIC:
- 97.00 MM
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- TOP END
- RIDING STYLE:
- ATV
- UNITS:
- KIT
$36.95 -
COMETIC Top End Gasket Set - XR650 C3216
COMETIC
$40.95COMETIC Top End Gasket Set XR650 C3216Top 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...C7151- SKU:
- C7151
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- PRODUCT NAME:
- GASKET KIT
- BORE SIZE METRIC:
- 102.50 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- TOP END
- UNITS:
- KIT
$40.95 -
COMETIC Top End Gasket Set - Suzuki C7136
COMETIC
$40.95COMETIC Top End Gasket Set Suzuki C7136Top 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...C7136- SKU:
- C7136
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- TYPE:
- TOP END
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$40.95 -
COMETIC Top End Gasket Set - Honda C7116
COMETIC
$47.95COMETIC Top End Gasket Set Honda C7116Top 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...C7116- SKU:
- C7116
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- BORE SIZE METRIC:
- 68.50 MM
- THICKNESS IMPERIAL:
- 0,012'
- THICKNESS METRIC:
- 0.31 MM
- TYPE:
- TOP END
- PRODUCT NAME:
- GASKET KIT
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
$47.95Qty in Cart: 0Quantity:Price:$47.95Subtotal: -
COMETIC Top End Gasket Set - Suzuki C7054
COMETIC
$28.95COMETIC Top End Gasket Set Suzuki C7054Top 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...C7054- SKU:
- C7054
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- TOP END
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$28.95 -
COMETIC Top End Gasket Set - Kawasaki C7047
COMETIC
$52.95COMETIC Top End Gasket Set Kawasaki C7047Top 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...C7047- SKU:
- C7047
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- TYPE:
- TOP END
- BORE SIZE METRIC:
- 88.00 MM
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$52.95 -
COMETIC Top End Gasket Set - Honda C7020
COMETIC
$51.95COMETIC Top End Gasket Set Honda C7020Top 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...C7020- SKU:
- C7020
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- THICKNESS IMPERIAL:
- 0,012'
- TYPE:
- TOP END
- BORE SIZE METRIC:
- 91.00 MM
- PRODUCT NAME:
- GASKET KIT
- THICKNESS METRIC:
- 0.31 MM
$51.95 -
COMETIC Top End Gasket Set - Kawasaki C6043
COMETIC
$51.95COMETIC Top End Gasket Set Kawasaki C6043Gasket kits are complete with head, base, reed, intake, manifold and exhaust gaskets, Graphite head gaskets are manufactured from non-asbestos, flexible graphite laminated to a stainless steel core, Graphite...C6043- SKU:
- C6043
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- MODEL:
- HI-PERFORMANCE
- UNITS:
- KIT
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- TOP END
- DISPLACEMENT:
- 750 CC
- PRODUCT NAME:
- GASKET KIT
$51.95Qty in Cart: 0Quantity:Price:$51.95Subtotal: -
Hinson Racing Clutch Cover for Honda CRF450R 2002-2008 C224
HINSON RACING
$159.99Experience enhanced performance with the HINSON RACING Clutch Cover designed for CRF450 and TRX450 models. This premium clutch cover not only improves heat dissipation but also offers superior strength compared to stock options, ensuring reliability...C154- SKU:
- C154
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- T-6 ALUMINUM
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
- MODEL:
- BILLETPROOF
$159.99 -
Wiseco Piston Kit 48mm Bore 2002-2023 Suzuki RM85 806M04800
WISECO
$119.95WISECO Piston Standard 806M04800 Engineered for peak performance, the Wiseco 806M04800 piston is crafted from a high-silicon aluminum alloy, ensuring exceptional strength and reliability for both racing and trail applications. This piston is designed to...806M04800- SKU:
- 806M04800
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- STROKE LENGTH:
- 46,80 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 46.80 MM
- UNITS:
- EACH
- DISPLACEMENT:
- 84.7 CC
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 48.00 MM
- PISTON MATERIAL:
- FORGED
$119.95 -
Wiseco Piston Standard Yamaha YZ 85 2002-2021 805M04750
WISECO
$119.95High-Performance Wiseco Piston for Yamaha YZ 85 Elevate your racing experience with the Wiseco Piston, engineered for maximum strength and performance. Crafted from high-silicon aluminum alloy, this piston enhances durability and boosts horsepower,...805M04750- SKU:
- 805M04750
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH:
- 47,80 MM
- STROKE LENGTH METRIC:
- 47.80 MM
- UNITS:
- EACH
- DISPLACEMENT:
- 85 CC
- BORE SIZE METRIC:
- 47.50 MM
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
$119.95 -
Wiseco Piston Kit for Yamaha YZ 250 2002-2025 804M06640
WISECO
$154.95Wiseco High-Performance Piston for Yamaha YZ 250/X 804M06640 Elevate your racing experience with the Wiseco High-Performance Piston, engineered from a premium high-silicon aluminum alloy for unmatched strength and reliability. Designed for both trail and...804M06640- SKU:
- 804M06640
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- STROKE LENGTH METRIC:
- 72.00 MM
- BORE SIZE METRIC:
- 66.40 MM
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 249 CC
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 72,00 MM
$154.95 -
Wiseco Piston Kit 41.50mm KTM 50SX LC 2001-2008 803M04150
WISECO
$109.95WISECO Piston +2.00 mm 803M04150 Experience unparalleled performance with the Wiseco Piston, meticulously crafted from high-silicon aluminum for exceptional strength and reliability. Designed for both trail and racing applications, this piston guarantees...803M04150- SKU:
- 803M04150
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BORE - OVERSIZE METRIC:
- +2.00 MM
- ENGINE TYPE:
- 2-STROKE
- DISPLACEMENT:
- 49 CC
- STROKE LENGTH:
- 40,00 MM
- BORE SIZE METRIC:
- 41.50 MM
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- +2,00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH METRIC:
- 40.00 MM
- UNITS:
- EACH
$109.95 -
Wiseco 39.50mm Piston Kit for KTM 50 SX 2001-2008 803M03950
WISECO
$104.95WISECO Piston Standard 803M03950 Experience unparalleled performance with the Wiseco Piston Standard 803M03950, crafted from a high-silicon aluminum alloy that guarantees exceptional strength and reliability. Designed for both trail and racing...803M03950- SKU:
- 803M03950
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH:
- 40,00 MM
- UNITS:
- EACH
- BORE SIZE METRIC:
- 39.50 MM
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 40.00 MM
- DISPLACEMENT:
- 49 CC
$104.95 -
Wiseco Piston Standard Honda CR250R 1986-1996 801M06640
WISECO
$184.95Wiseco High-Performance Piston for Honda CR250R 801M06640 Elevate your racing experience with the Wiseco High-Performance Piston, engineered for unmatched strength and reliability. Crafted from high-silicon aluminum alloy, this piston enhances durability...801M06640- SKU:
- 801M06640
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 72.00 MM
- BORE SIZE METRIC:
- 66.40 MM
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 249 CC
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 72,00 MM
- UNITS:
- EACH
$184.95 -
Wiseco Piston Standard Kawasaki KX 250 1992-2001 799M06640
WISECO
$184.95Wiseco High-Performance Piston for Kawasaki KX 250/250F Unlock the full potential of your Kawasaki KX 250/250F with the Wiseco High-Performance Piston. Crafted from advanced high-silicon aluminum alloy, this piston ensures exceptional strength and...799M06640- SKU:
- 799M06640
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE SIZE METRIC:
- 66.40 MM
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 72.00 MM
- DISPLACEMENT:
- 249,3 CC
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 72,00 MM
$184.95 -
Wiseco 125cc 54mm Piston Kit for KTM 125 SX 2001-2024 786M05400
WISECO
$144.95WISECO Piston Standard 786M05400 Experience unparalleled performance with the Wiseco 786M05400 piston, engineered from high-silicon aluminum alloy for superior strength and reliability. Designed for both competitive racing and trail applications, this...786M05400- SKU:
- 786M05400
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 54.50 MM
- STROKE LENGTH:
- 54,50 MM
- BORE SIZE METRIC:
- 54.00 MM
- DISPLACEMENT:
- 124 CC
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
$144.95
