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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Hot Cams Valve Shim 10.0 x 2.65 for 2008-2010 KTM 530 EXC-R 5PK1000265
HOT CAMS
$10.95HOT CAMS Valve Shim 10.0 x 2.65 - 5 Pack Enhance your engine's performance with the HOT CAMS Valve Shim 10.0 x 2.65 pack. Designed for precision and durability, these shims are essential for maintaining optimal valve clearance in your motorcycle or ATV...09261290- SKU:
- 09261290
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- TYPE:
- VALVE
- PRODUCT NAME:
- SHIM
- UNITS:
- 5 PACK
- VALVE SHIM THICKNESS METRIC:
- 2.65 MM
$10.95 -
Hot Cams Valve Shim 10.0 x 2.70 for 2008 KTM 530 EXC-R 5PK1000270
HOT CAMS
$10.95HOT CAMS Valve Shim 10.0 x 2.70 - 5 Pack Enhance your engine's performance with the HOT CAMS Valve Shim 10.0 x 2.70, designed for precision and durability. This 5-pack is perfect for refilling your Valve Shim Kits, ensuring optimal valve clearance and...09261291- SKU:
- 09261291
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- MATERIAL:
- STEEL
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- TYPE:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- VALVE SHIM THICKNESS METRIC:
- 2.70 MM
- PRODUCT NAME:
- SHIM
- UNITS:
- 5 PACK
$10.95 -
Hot Cams Valve Shim 10.0 x 2.75 KTM 530 EXC-R 2008-2010 5PK1000275
HOT CAMS
$10.95HOT CAMS Valve Shim 10.0 x 2.75 - 5 Pack Enhance your engine's performance with the HOT CAMS Valve Shim 10.0 x 2.75. This 5-pack provides essential replacements for your Valve Shim Kits, ensuring optimal valve clearance and engine efficiency. Designed...09261292- SKU:
- 09261292
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- VALVE SHIM THICKNESS METRIC:
- 2.75 MM
- PRODUCT NAME:
- SHIM
- TYPE:
- VALVE
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- UNITS:
- 5 PACK
$10.95 -
Hot Cams Valve Shim 10.0 x 2.85 for KTM 530 EXC-R 2008-2010 5PK1000285
HOT CAMS
$10.95HOT CAMS Valve Shim 10.0 x 2.85 - 5 Pack Upgrade your valve shim kits with the HOT CAMS Valve Shim 10.0 x 2.85. This five-pack of high-quality shims is designed for precision and durability, ensuring optimal engine performance. Perfect for enthusiasts...09261294- SKU:
- 09261294
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- TYPE:
- VALVE
- PRODUCT NAME:
- SHIM
- UNITS:
- 5 PACK
- VALVE SHIM THICKNESS METRIC:
- 2.85 MM
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
$10.95Qty in Cart: 0Quantity:Price:$10.95Subtotal: -
Hot Cams Valve Shim 10.0 x 2.90 for 2008-2010 KTM 530 EXC-R 5PK1000290
HOT CAMS
$10.95HOT CAMS Valve Shim 10.0 x 2.90 - 5 Pack Enhance your engine's performance with the HOT CAMS Valve Shim 10.0 x 2.90. This 5-pack of high-quality shims is designed to provide precise adjustments for optimal valve clearance, ensuring your engine runs...09261295- SKU:
- 09261295
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- TYPE:
- VALVE
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SHIM
- UNITS:
- 5 PACK
- VALVE SHIM THICKNESS METRIC:
- 2.90 MM
- RIDING STYLE:
- OFF-ROAD
$10.95 -
Hot Cams Valve Shim 10.0 x 3.05mm for KTM 690 Enduro R 2009-2010 5PK1000305
HOT CAMS
$10.95HOT CAMS Valve Shim 10.0 x 3.05 - 5 Pack Enhance your engine's performance with the HOT CAMS Valve Shim pack, designed specifically for precision tuning and maintenance. Each pack contains five high-quality shims, ensuring you have the right tools to...09261298- SKU:
- 09261298
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- PRODUCT NAME:
- SHIM
- UNITS:
- 5 PACK
- TYPE:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- VALVE SHIM THICKNESS METRIC:
- 3.05 MM
- MATERIAL:
- STEEL
$10.95 -
Hinson Racing Oil Filler Cap KTM 250 SX-F 2007-2015 OC477
HINSON RACING
$19.99HINSON RACING Oil Filler Cap KTM OC477 Upgrade your ATV with the HINSON RACING Oil Filler Cap, designed to replace the standard plastic plug with a durable and stylish machined T-6 aluminum cap. This premium accessory not only enhances the aesthetic...09500619- SKU:
- 09500619
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- CAP
- TYPE:
- OIL FILLER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- COLOR/FINISH:
- POLISHED
$19.99Qty in Cart: 0Quantity:Price:$19.99Subtotal: -
VERTEX Piston Ring 53010005800
VERTEX
$27.95VERTEX Piston Ring 53010005800Replacement 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 and...09120173- SKU:
- 09120173
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- PRODUCT NAME:
- PISTON RING
- PISTON DIAMETER METRIC:
- 57.95 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$27.95 -
VERTEX Piston Kit 23641A
VERTEX
$280.95VERTEX Piston Kit 23641AAll 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 life, Cast piston kits are gravity...09102073- SKU:
- 09102073
- Availability:
- Ships Same Business Day
- Weight:
- 0.69 LBS
- DISPLACEMENT:
- 350 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- COMPRESSION RATIO IMPERIAL:
- 12.8:1
- CYLINDER DIAMETER METRIC:
- 88.00 MM
- PISTON DIAMETER METRIC:
- 87.96 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- STYLE:
- FORGED HIGH COMPRESSION
- UNITS:
- KIT
$280.95 -
Wiseco Piston Kit 48.5mm for 1979-1984 Honda XR80 PK1278
WISECO
$179.95WISECO Piston Kit with Gaskets PK1278 Upgrade your engine's performance with the WISECO Piston Kit, designed specifically for 2-cycle engines. This complete kit includes everything you need for a high-performance rebuild, ensuring enhanced strength and...09030230- SKU:
- 09030230
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- PISTON DIAMETER METRIC:
- 48.47 MM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- DISPLACEMENT:
- 79.7 CC
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- BORE SIZE METRIC:
- 48.50 MM
- COMPRESSION RATIO IMPERIAL:
- 9.7:1
- RIDING STYLE:
- OFF-ROAD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 45.00 MM
$179.95 -
Wiseco Honda XR200 1980-1983 Piston Kit with Gaskets PK1116
WISECO
$204.95WISECO Piston Kit with Gaskets PK1116 Experience unmatched performance with the WISECO Piston Kit, designed specifically for 2-cycle engines. Crafted from high-silicone forged materials, this kit ensures superior strength and minimal thermal expansion,...09030231- SKU:
- 09030231
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- BORE SIZE METRIC:
- 65.50 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- DISPLACEMENT:
- 192 CC
- PISTON DIAMETER METRIC:
- 65.45 MM
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 57.80 MM
$204.95 -
Wiseco Engine Rebuild Kit for Suzuki RM250 2003-2004 PWR165A-100
WISECO
$664.95WISECO Engine Kit RM250 2003-2004 PWR165A-100 Revitalize your RM250 with the WISECO Engine Kit, engineered for optimal performance and longevity. This comprehensive kit includes everything you need for a complete engine rebuild, ensuring your bike runs...09031544- SKU:
- 09031544
- Availability:
- Ships Same Business Day
- Weight:
- 13.65 LBS
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
- DISPLACEMENT:
- 250 CC
- ENGINE TYPE:
- 2-STROKE
- BORE SIZE METRIC:
- 66.40 MM
- OVERBORE METRIC:
- STANDARD
- UNITS:
- KIT
- FEATURES:
- PROLITE® PISTON
- MODEL:
- GARAGE BUDDY
- RIDING STYLE:
- OFF-ROAD
$664.95 -
Wiseco Engine Rebuild Kit Suzuki RM250 2005-2010 PWR165B-100
WISECO
$664.95WISECO Complete Engine Rebuild Kit for RM250 (2005-2010) Revitalize your RM250 with the WISECO Engine Kit, designed for a comprehensive top and bottom-end rebuild. This all-inclusive kit ensures your engine performs at its peak, featuring a meticulously...09031545- SKU:
- 09031545
- Availability:
- Ships Same Business Day
- Weight:
- 13.95 LBS
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- GARAGE BUDDY
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 66.40 MM
- UNITS:
- KIT
- DISPLACEMENT:
- 250 CC
- FEATURES:
- PROLITE® PISTON
- OVERBORE METRIC:
- STANDARD
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
$664.95 -
Wiseco Piston Kit 96mm 11.5:1 Honda CRF450R 2002-2003 4753M09600
WISECO
$229.95WISECO Piston 4753M09600 Engineered for superior performance, the WISECO Piston 4753M09600 is crafted from a high-silicon alloy, ensuring exceptional strength and reliability in both competitive and recreational settings. This piston is designed to...4753M09600- SKU:
- 4753M09600
- Availability:
- Ships Same Business Day
- Weight:
- 0.42 LBS
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 62.10 MM
- COMPRESSION RATIO IMPERIAL:
- 11.5:1
- DISPLACEMENT:
- 449 CC
- PISTON DIAMETER METRIC:
- 95.94 MM
- SKIRT COATING:
- ARMORGLIDE®
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 96.00 MM
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
$229.95 -
Wossner Piston Kit Honda CRF450R 2005-2008 8608DA
WOSSNER
$214.00WOSSNER Piston Kit 8608DA Elevate your engine's performance with the WOSSNER Piston Kit 8608DA, designed for optimal efficiency and durability. Crafted from premium materials, this piston kit ensures reduced friction and enhanced reliability, making it...09104944- SKU:
- 09104944
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 96.00 MM
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PISTON SIZE METRIC:
- 95.96 MM
- MODEL:
- PREMIUM SERIES
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$214.00 -
BOYESEN Impeller Pump YZ250F WPI-37
BOYESEN
$79.95High-Performance Water Pump WPI37 Enhances water flow for optimal cooling efficiency Reduces hydraulic friction to maintain stable temperatures Minimizes horsepower loss during critical race stages Extends overall engine lifespan with...WPI37- SKU:
- WPI37
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- IMPELLER
- UNITS:
- EACH
- TYPE:
- WATER PUMP
- MODEL:
- SUPERCOOLER
- RIDING STYLE:
- OFF-ROAD
$79.95 -
BOYESEN Impeller Pump YZ/WR WPI-32A
BOYESEN
$79.95High-Performance Water Pump WPI32A Enhances water flow for optimal cooling efficiency Reduces hydraulic friction to maintain consistent temperatures Minimizes horsepower loss during late-stage racing Extends engine lifespan through...WPI32A- SKU:
- WPI32A
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- PRODUCT NAME:
- IMPELLER
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- ALUMINUM
- MODEL:
- SUPERCOOLER
- TYPE:
- WATER PUMP
- UNITS:
- EACH
$79.95 -
BOYESEN Impeller Pump YZ125 WPI-31
BOYESEN
$79.95High-Performance Water Pump WPI31 Enhances water flow for optimal cooling efficiency. Reduces hydraulic friction, ensuring a stable temperature. Minimizes horsepower loss during late-stage racing. Designed to extend engine life with...WPI31- SKU:
- WPI31
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- MODEL:
- SUPERCOOLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP
- PRODUCT NAME:
- IMPELLER
- MATERIAL:
- ALUMINUM
- UNITS:
- EACH
$79.95 -
BOYESEN Clutch Cover - Gold CC-17AM
BOYESEN
$95.95BOYESEN Clutch Cover Gold CC-17AMSet your ride apart from the rest with the ultimate look in race performance, Lightweight factory clutch covers provide years of outstanding protection, Individually surfaced for a perfect, leak-free fit, Super-tough,...09401117- SKU:
- 09401117
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- UNITS:
- EACH
- COLOR/FINISH:
- MAGNESIUM
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- FACTORY RACING
- TYPE:
- CLUTCH
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
$95.95 -
BOYESEN Clutch Cover - Black CC-17AB
BOYESEN
$95.95BOYESEN Clutch Cover Black CC-17ABSet your ride apart from the rest with the ultimate look in race performance, Lightweight factory clutch covers provide years of outstanding protection, Individually surfaced for a perfect, leak-free fit, Super-tough,...09401116- SKU:
- 09401116
- Availability:
- Ships Same Business Day
- Weight:
- 0.74 LBS
- TYPE:
- CLUTCH
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- FACTORY RACING
$95.95
