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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- Qty in Cart
- Quantity
- Price
- Subtotal
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VERTEX Piston Kit 24018A
VERTEX
$243.95VERTEX Piston Kit 24018AAll pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life09103679- SKU:
- 09103679
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
$243.95 -
VERTEX Piston Kit - High Compression 24021B
VERTEX
$268.95VERTEX Piston Kit High Compression 24021BAll pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life09103688- SKU:
- 09103688
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- PISTON DIAMETER METRIC:
- 76.96 MM
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- FORGED HIGH COMPRESSION
- COMPRESSION RATIO IMPERIAL:
- 14.3:1
- ENGINE TYPE:
- 4-STROKE
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- CYLINDER DIAMETER METRIC:
- 77.00 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- DISPLACEMENT:
- 250 CC
- PRODUCT NAME:
- PISTON KIT
$268.95 -
On Sale
VERTEX Piston Kit - High Compression 24022B
VERTEX
MSRP: $301.95Now: $197.00Was: $301.95VERTEX Piston Kit High Compression 24022BAll pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life09103691- SKU:
- 09103691
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- PRODUCT NAME:
- PISTON KIT
- CYLINDER DIAMETER METRIC:
- 96.00 MM
- DISPLACEMENT:
- 450 CC
- PISTON DIAMETER METRIC:
- 95.97 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- ENGINE TYPE:
- 4-STROKE
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- FORGED HIGH COMPRESSION
MSRP: $301.95Now: $197.00Was: $301.95 -
VERTEX Piston Kit VTKTC22915B
VERTEX
$328.95VERTEX Piston Kit VTKTC22915BAll pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life09103717- SKU:
- 09103717
- Availability:
- Ships Same Business Day
- Weight:
- 2.25 LBS
$328.95 -
VERTEX Piston Kit VTKTC22915B-1
VERTEX
$328.95VERTEX Piston Kit VTKTC22915B-1All pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life09103718- SKU:
- 09103718
- Availability:
- Ships Same Business Day
- Weight:
- 2.45 LBS
$328.95 -
VERTEX Piston Kit VTKTC22951A
VERTEX
$303.95VERTEX Piston Kit VTKTC22951AAll pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life09103721- SKU:
- 09103721
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
$303.95 -
VERTEX Piston Kit VTKTC22983A
VERTEX
$280.95VERTEX Piston Kit VTKTC22983AAll pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life09103724- SKU:
- 09103724
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
$280.95 -
Wiseco Wrist Pin 1985-1986 Honda ATC350X S529
WISECO
$23.99Wiseco High-Tech Piston - S529 Unlock the full potential of your engine with the Wiseco S529 High-Tech Piston. Crafted for superior performance and longevity, this piston is the ideal choice for enthusiasts seeking reliability in extreme conditions. ...S529- SKU:
- S529
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- APPLICATION:
- PISTON
- LENGTH:
- 61,3 MM
- LENGTH METRIC:
- 61.3 MM
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- WRIST PIN
- OUTSIDE DIAMETER:
- 21,00 MM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER METRIC:
- 21.00 MM
- RIDING STYLE:
- OFF-ROAD
$23.99 -
Wiseco Piston Kit 86mm Bore Yamaha DT400 1975-1978 MX400 1975 232M08600
WISECO
$209.95WISECO Piston +1.00 mm 232M08600 Upgrade your engine's performance with the WISECO Piston +1.00 mm 232M08600, crafted from a high-silicon alloy for exceptional strength and reliability. Designed for both trail and racing applications, this piston ensures...232M08600- SKU:
- 232M08600
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 85.92 MM
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 70.00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 397 CC
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE - OVERSIZE:
- +1,00 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 86.00 MM
$209.95 -
Wiseco Piston Kit Yamaha DT125 1974-1981 56.5mm Bore 236M05650
WISECO
$154.95WISECO Piston Yamaha +.50 mm 236M05650 Engineered for performance and reliability, the WISECO Piston for Yamaha motorcycles is crafted from a high-silicon alloy, ensuring exceptional strength and durability. This piston is ideal for both trail and racing...236M05650- SKU:
- 236M05650
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- BORE - OVERSIZE:
- +0,50 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- UNITS:
- KIT
- BORE SIZE METRIC:
- 56.50 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 56.45 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- BORE - OVERSIZE METRIC:
- +0.50 MM
- DISPLACEMENT:
- 123 CC
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 50.00 MM
$154.95Qty in Cart: 0Quantity:Price:$154.95Subtotal: -
Wiseco Piston Kit Honda TRX400EX 1999-2008 4606M08700
WISECO
$219.95WISECO Piston Kit XR/TRX400 4606M08700 Upgrade your motorcycle's performance with the WISECO Piston Kit XR/TRX400 4606M08700. Designed for durability and optimal efficiency, this piston kit enhances your engine's power output while ensuring reliability...09102910- SKU:
- 09102910
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- BORE - OVERSIZE METRIC:
- +2.00 MM
- STROKE LENGTH METRIC:
- 70.00 MM
- BORE SIZE METRIC:
- 87.00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- DISPLACEMENT:
- 397 CC
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- +2,00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
$219.95 -
Wiseco Piston Kit 88mm 11:1 Compression for Honda XR400R 1996-2004 4628M08800
WISECO
$244.95WISECO Piston Kit XR/TRX400 4628M08800 Upgrade your ATV's performance with the WISECO Piston Kit designed for XR/TRX400 models. This high-quality piston kit enhances engine efficiency and power while ensuring durability under demanding conditions. Please...09102915- SKU:
- 09102915
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- BORE - OVERSIZE:
- +3,00 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- STROKE LENGTH METRIC:
- 70.00 MM
- BORE SIZE METRIC:
- 88.00 MM
- DISPLACEMENT:
- 397 CC
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE METRIC:
- +3.00 MM
$244.95 -
Wiseco Piston Kit Yamaha XT350 1985-2000 86mm 9:1 Compression 4674M08600
WISECO
$174.95WISECO Piston Kit XT/TT 350 4674M08600 Upgrade your motorcycle’s performance with the WISECO Piston Kit designed specifically for the XT/TT 350 models. This high-quality piston kit enhances engine efficiency and power output, ensuring a smoother ride and...09102916- SKU:
- 09102916
- Availability:
- Ships Same Business Day
- Weight:
- 0.97 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 346 CC
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 59.60 MM
- BORE SIZE METRIC:
- 86.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- COMPRESSION RATIO IMPERIAL:
- 9.0:1
$174.95 -
Wiseco Piston Kit Yamaha XT350 1985-2000 87.50mm 9:1 4674M08750
WISECO
$184.95WISECO Piston Kit XT/TT 350 4674M08750 Upgrade your off-road performance with the WISECO Piston Kit designed specifically for the XT/TT 350. This high-quality piston kit ensures optimal engine efficiency and durability, allowing you to tackle any terrain...09102917- SKU:
- 09102917
- Availability:
- Ships Same Business Day
- Weight:
- 1.01 LBS
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- BORE - OVERSIZE:
- +1,00 MM
- BORE SIZE METRIC:
- 87.00 MM
- DISPLACEMENT:
- 346 CC
- STROKE LENGTH METRIC:
- 59.60 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- COMPRESSION RATIO IMPERIAL:
- 9.0:1
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$184.95 -
Wiseco Piston Kit 88.00mm Oversize Yamaha YZ490 1984-1990 546M08800
WISECO
$234.95Wiseco +1.00 mm Piston for Yamaha WR 500 / YZ 490 Elevate your performance with the Wiseco +1.00 mm piston, engineered from high-silicon aluminum for unparalleled strength and reliability. Designed for both trail and racing applications, this piston...546M08800- SKU:
- 546M08800
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- RIDING STYLE:
- OFF-ROAD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- DISPLACEMENT:
- 487 CC
- STROKE LENGTH:
- 82,00 MM
- BORE - OVERSIZE:
- +1,00 MM
- BORE SIZE METRIC:
- 88.00 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 82.00 MM
$234.95 -
Wiseco Piston 88.5mm Oversize Yamaha WR500Z 1992-1993 546M08850
WISECO
$244.95High-Performance Wiseco Piston for Yamaha WR 500 / YZ 490 Unlock the full potential of your Yamaha WR 500 or YZ 490 with the Wiseco +1.50 mm piston, engineered from premium high-silicon aluminum alloy. Designed for both trail and racing applications,...546M08850- SKU:
- 546M08850
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- BORE - OVERSIZE METRIC:
- +1.50 MM
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH METRIC:
- 82.00 MM
- BORE SIZE METRIC:
- 88.50 MM
- DISPLACEMENT:
- 487 CC
- STROKE LENGTH:
- 82,00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- BORE - OVERSIZE:
- +1,50 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$244.95 -
Wiseco Piston 89mm +2mm Oversize for Yamaha YZ490 1984-1990 546M08900
WISECO
$244.95High-Performance Wiseco Piston +2.00 mm for Yamaha WR 500 Z/YZ 490 Unlock the full potential of your Yamaha WR 500 or YZ 490 with the Wiseco forged piston, engineered for exceptional strength and reliability. Designed for both trail and racing...546M08900- SKU:
- 546M08900
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- BORE - OVERSIZE METRIC:
- +2.00 MM
- DISPLACEMENT:
- 487 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH:
- 82,00 MM
- UNITS:
- EACH
- BORE - OVERSIZE:
- +2,00 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 89.00 MM
- STROKE LENGTH METRIC:
- 82.00 MM
$244.95 -
Wiseco Piston Kit 77mm Kawasaki JS300 1987-1991 549M07700
WISECO
$149.95WISECO 77 mm Piston 549M07700 Experience superior performance with the WISECO 77 mm piston, expertly forged from high-silicone bar stock for enhanced strength and reduced thermal expansion. Designed specifically for high-performance applications, this...549M07700- SKU:
- 549M07700
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- BORE - OVERSIZE:
- +1,00 MM
- RIDING STYLE:
- WATERCRAFT
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 303 CC
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- BORE SIZE METRIC:
- 77.00 MM
$149.95 -
Wiseco Cam Chain for Yamaha YFM660F Grizzly 2002-2008 and YXR660F Rhino 2004-2007 CC020
WISECO
$89.95WISECO Cam Chain CC020 Experience unparalleled performance with the WISECO Cam Chain CC020, engineered to enhance your engine's efficiency and longevity. Crafted from high-quality materials, this cam chain minimizes friction while maximizing strength,...09250647- SKU:
- 09250647
- Availability:
- Ships Same Business Day
- Weight:
- 0.46 LBS
- TYPE:
- CAM
- CHAIN SIZE:
- 92RH2010
- NUMBER OF LINKS:
- 126
- UNITS:
- EACH
- PRODUCT NAME:
- CHAIN
- RIDING STYLE:
- UTV
- RIDING STYLE:
- ATV
$89.95 -
On Sale
Wiseco CRF450R 2009-2016 Connecting Rod Kit WPR1409
WISECO
MSRP: $435.95Now: $286.00Was: $435.95WISECO Racer Elite WPR1409 Connecting Rod Kit Experience unparalleled performance with the WISECO Racer Elite WPR1409 Connecting Rod Kit. Crafted with precision from billet materials in the U.S.A., this kit is designed for racers seeking durability and...09230594- SKU:
- 09230594
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- PRODUCT NAME:
- CONNECTING ROD KIT
- TYPE:
- RACER ELITE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $435.95Now: $286.00Was: $435.95
