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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Hot Cams Valve Shim 8.90mm x 1.96mm for KTM 250 SX-F 2005-2011 5PK890196
HOT CAMS
$10.95HOT CAMS Valve Shim 8.90 x 1.96 - 5 Pack Enhance your engine's performance with the HOT CAMS Valve Shim 8.90 x 1.96 replacement pack. Designed to refill your Valve Shim Kits, these shims ensure precision and durability for optimal valve clearance...09261355- SKU:
- 09261355
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- VALVE
- VALVE SHIM THICKNESS METRIC:
- 1.96 MM
- MATERIAL:
- STEEL
- OUTSIDE DIAMETER METRIC:
- 8.90 MM
- RIDING STYLE:
- OFF-ROAD
$10.95 -
Hot Cams Valve Shim 8.90mm x 2.00mm for KTM 250 SX-F 2005-2011 5PK890200
HOT CAMS
$10.95HOT CAMS Valve Shim 8.90 x 2.00 - 5 Pack Enhance your engine's performance with the HOT CAMS Valve Shim 8.90 x 2.00 5 pack. Designed for precision and durability, these replacement shims are perfect for refilling your Valve Shim Kits, ensuring optimal...09261356- SKU:
- 09261356
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- SNOW
- OUTSIDE DIAMETER METRIC:
- 8.90 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- VALVE
- UNITS:
- 5 PACK
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- VALVE SHIM THICKNESS METRIC:
- 2.00 MM
- MATERIAL:
- STEEL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
$10.95 -
Hot Cams Valve Shim 8.90mm x 2.56mm for KTM 250 SX-F 2005-2011 5PK890256
HOT CAMS
$10.95HOT CAMS Valve Shim 8.90 x 2.56 - 5 Pack Enhance your engine's performance with the HOT CAMS Valve Shim 8.90 x 2.56, designed for precision and durability. This 5-pack replacement set is perfect for refilling your Valve Shim Kits, ensuring your engine...09261370- SKU:
- 09261370
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- VALVE SHIM THICKNESS METRIC:
- 2.56 MM
- RIDING STYLE:
- STREET
- MATERIAL:
- STEEL
- OUTSIDE DIAMETER METRIC:
- 8.90 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- SNOW
- UNITS:
- 5 PACK
- RIDING STYLE:
- ATV
- TYPE:
- VALVE
$10.95 -
Hot Cams Valve Shim 9.48mm x 1.20mm for Honda CRF450R 2002-2014 5PK948120
HOT CAMS
$9.95HOT CAMS Valve Shim 9.48 x 1.20 - 5 Pack Enhance your engine's performance with the HOT CAMS Valve Shim pack, designed for precision and reliability. Each shim measures 9.48 x 1.20 mm, ideal for refilling your Valve Shim Kits. Ensure optimal valve...09261372- SKU:
- 09261372
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- VALVE
- UNITS:
- 5 PACK
- OUTSIDE DIAMETER METRIC:
- 9.48 MM
- VALVE SHIM THICKNESS METRIC:
- 1.20 MM
$9.95 -
Hot Cams Valve Shim 9.48 x 1.40 for Honda CRF450R 2002-2023 5PK948140
HOT CAMS
$9.95HOT CAMS Valve Shim 9.48 x 1.40 - 5 Pack Enhance your engine's performance with the HOT CAMS Valve Shim 9.48 x 1.40 pack. Designed for precision and reliability, these replacement shims are essential for maintaining optimal valve clearance in your engine...09261376- SKU:
- 09261376
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- ATV
- TYPE:
- VALVE
- MATERIAL:
- STEEL
- OUTSIDE DIAMETER METRIC:
- 9.48 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- VALVE SHIM THICKNESS METRIC:
- 1.40 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- 5 PACK
$9.95 -
Hot Cams Valve Shim 9.48mm x 1.45mm for Honda CRF450R 2002-2018 5PK948145
HOT CAMS
$9.95HOT CAMS Valve Shim 9.48 x 1.45 - 5 Pack Enhance your engine's performance with the HOT CAMS Valve Shim 5 Pack, designed to refill your Valve Shim Kits effortlessly. These precision-engineered shims ensure optimal valve clearance and longevity, making...09261377- SKU:
- 09261377
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- VALVE
- MATERIAL:
- STEEL
- OUTSIDE DIAMETER METRIC:
- 9.48 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- VALVE SHIM THICKNESS METRIC:
- 1.45 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
$9.95 -
Hot Cams Valve Shim 9.48mm x 1.50mm for Honda CRF450R 2002-2023 5PK948150
HOT CAMS
$9.95HOT CAMS Valve Shim 9.48 x 1.50 - 5 Pack Enhance your engine's performance with the HOT CAMS Valve Shim pack, designed for precision and durability. This 5-pack of shims is perfect for refilling your Valve Shim Kits, ensuring optimal valve clearance and...09261378- SKU:
- 09261378
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- ATV
- TYPE:
- VALVE
- MATERIAL:
- STEEL
- OUTSIDE DIAMETER METRIC:
- 9.48 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- SNOW
- UNITS:
- 5 PACK
- RIDING STYLE:
- STREET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- VALVE SHIM THICKNESS METRIC:
- 1.50 MM
$9.95 -
VERTEX Piston Ring 590280000001
VERTEX
$76.95VERTEX Piston Ring 590280000001Replacement piston rings, Nitride coated or chrome plated, increasing wear resistance and extending durability, The latest generation for both two-stroke and four-stroke engines; four-stroke piston rings are sold in sets...09120308- SKU:
- 09120308
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 79.98 MM
$76.95 -
VERTEX Piston Ring 590281000001
VERTEX
$74.95VERTEX Piston Ring 590281000001Replacement piston rings, Nitride coated or chrome plated, increasing wear resistance and extending durability, The latest generation for both two-stroke and four-stroke engines; four-stroke piston rings are sold in sets...09120309- SKU:
- 09120309
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- PISTON DIAMETER METRIC:
- 80.98 MM
- UNITS:
- SET
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- OFF-ROAD
$74.95Qty in Cart: 0Quantity:Price:$74.95Subtotal: -
Wiseco Racer Elite 2-Stroke Piston Kit Husqvarna TC250 2014-2024 RE912M06640
WISECO
$249.95WISECO Piston Kit Racer Elite RE912M06640 Experience unparalleled performance with the WISECO Racer Elite RE912M06640 piston kit, engineered for the most demanding 2-stroke applications. Crafted from advanced 2000 Series alloy, this piston combines...09105104- SKU:
- 09105104
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- ARMORFIT™
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 66.40 MM
- PISTON MATERIAL:
- 2000 SERIES ALLOY
- PISTON MATERIAL:
- FORGED
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- RACER ELITE
$249.95 -
Wiseco Piston Kit Suzuki RM85 2002-2023 RE901M04800
WISECO
$134.95WISECO Piston Kit Racer Elite RE901M04800 Experience unparalleled performance with the WISECO Racer Elite Piston Kit, engineered for serious racers and enthusiasts. Crafted from advanced 2000 Series alloy, this piston offers exceptional strength and...09105105- SKU:
- 09105105
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- ARMORFIT™
- BORE SIZE METRIC:
- 48.00 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- FORGED
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 2000 SERIES ALLOY
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- RACER ELITE
$134.95 -
Wiseco Suzuki RM85 2002-2023 Piston Kit RE901M04900
WISECO
$134.95WISECO Racer Elite RE901M04900 Piston Kit Experience unparalleled performance with the WISECO Racer Elite RE901M04900 Piston Kit, designed for serious enthusiasts and competitive racers. Crafted from advanced 2000 Series alloy, this piston offers...09105107- SKU:
- 09105107
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BORE - OVERSIZE:
- +1,00 MM
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- ARMORFIT™
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 49.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 2000 SERIES ALLOY
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- RACER ELITE
- UNITS:
- KIT
$134.95Qty in Cart: 0Quantity:Price:$134.95Subtotal: -
Wiseco Piston Kit Kawasaki JS550 1991-1995 75.50mm Bore WK1046
WISECO
$349.95Wiseco High-Performance 2-Cycle Pistons WK1046 Elevate your engine's capabilities with Wiseco's premium 2-cycle pistons. Crafted for exceptional strength and performance, these piston kits are the perfect solution for a complete engine rebuild, ensuring...WK1046- SKU:
- WK1046
- Availability:
- Ships Same Business Day
- Weight:
- 2.19 LBS
- RIDING STYLE:
- WATERCRAFT
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 75.50 MM
- PISTON DIAMETER METRIC:
- 75.40 MM
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- BORE - OVERSIZE:
- +0,50 MM
- DISPLACEMENT:
- 537 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
$349.95 -
Wossner Piston Kit 53.94mm Yamaha YZ125 2002-2004 8072DA
WOSSNER
$122.00WOSSNER Piston Kit 8072DA Experience unmatched performance and reliability with the WOSSNER Piston Kit 8072DA, meticulously engineered for 2-stroke engines. Crafted from high-quality materials, this piston kit enhances engine efficiency while minimizing...09104787- SKU:
- 09104787
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- DISPLACEMENT:
- 124 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON SIZE METRIC:
- 53.94 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE SIZE METRIC:
- 54.00 MM
- TYPE:
- SINGLE RING
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- MODEL:
- STANDARD SERIES
- PRODUCT NAME:
- PISTON KIT
$122.00 -
Wossner Piston Kit 54.00mm Yamaha YZ125 2002-2004 8072DB
WOSSNER
$122.00WOSSNER Piston Kit 8072DB Experience unparalleled performance with the WOSSNER Piston Kit 8072DB, engineered specifically for 2-stroke engines. Crafted from high-quality materials, this piston kit enhances efficiency and reduces friction, ensuring a...09104788- SKU:
- 09104788
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- DISPLACEMENT:
- 124 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE METRIC:
- +0.01 MM
- PISTON MATERIAL:
- FORGED
- UNITS:
- KIT
- BORE SIZE METRIC:
- 54.01 MM
- PISTON SIZE METRIC:
- 53.95 MM
- TYPE:
- SINGLE RING
- BORE - OVERSIZE:
- +0,01 MM
- MODEL:
- STANDARD SERIES
- PRODUCT NAME:
- PISTON KIT
$122.00Qty in Cart: 0Quantity:Price:$122.00Subtotal: -
Rekluse Clutch Cover Sherco 250 SE-R 2018-2025 RMS-0408001
REKLUSE
$189.00REKLUSE Clutch Cover for Sherco 250/300 RMS-0408001 Elevate your riding experience with the REKLUSE Clutch Cover, meticulously crafted for the Sherco 250 and 300 models. This premium component combines cutting-edge design with robust materials, ensuring...09401979- SKU:
- 09401979
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- COLOR/FINISH:
- ANODIZED
- COLOR/FINISH:
- BLACK
- MATERIAL:
- BILLET ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
$189.00 -
Rekluse Clutch Cover Beta 350 RR 2020-2025 RMS-0402028
REKLUSE
$189.00REKLUSE Clutch Cover Beta RMS-0402028 Elevate your riding experience with the REKLUSE Clutch Cover, meticulously crafted for exceptional durability and performance. Designed to withstand the toughest terrains, this cover not only enhances your bike's...09401943- SKU:
- 09401943
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- COLOR/FINISH:
- ANODIZED
- COLOR/FINISH:
- BLACK
- MATERIAL:
- BILLET ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
- RIDING STYLE:
- STREET
$189.00 -
Rekluse Clutch Cover GasGas EC 250 2018-2019 RMS-300
REKLUSE
$189.00REKLUSE Clutch Cover for GasGas 250/300 RMS-300 Elevate your riding experience with the REKLUSE Clutch Cover, expertly crafted for the GasGas 250/300 models. Designed for ultimate performance and resilience, this cover withstands the rigors of off-road...09401777- SKU:
- 09401777
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- ANODIZED
- MATERIAL:
- BILLET ALUMINUM
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
$189.00 -
Rekluse Clutch Cover GasGas EC 200 2000-2011 RMS-302
REKLUSE
$189.00REKLUSE Clutch Cover for GasGas 200/250/300 RMS-302 Elevate your riding experience with the REKLUSE Clutch Cover, meticulously crafted for the GasGas 200, 250, and 300 models. Designed for riders who demand both performance and style, this cover stands...09401778- SKU:
- 09401778
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- COLOR/FINISH:
- ANODIZED
- COLOR/FINISH:
- BLACK
- MATERIAL:
- BILLET ALUMINUM
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- STREET
- TYPE:
- CLUTCH
- UNITS:
- EACH
$189.00 -
Rekluse Clutch Cover KTM 65 SX 2009-2025 RMS-387
REKLUSE
$189.00REKLUSE Clutch Cover HQ/KTM65 RMS-387 Elevate your riding experience with the REKLUSE Clutch Cover, meticulously designed for the KTM65. This high-performance component combines robust durability with a sleek aesthetic, ensuring you’re ready for any...09401818- SKU:
- 09401818
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- TYPE:
- CLUTCH
- COLOR/FINISH:
- ANODIZED
- COLOR/FINISH:
- BLACK
- MATERIAL:
- BILLET ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PRODUCT NAME:
- COVER
$189.00
