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 Stage 1 Exhaust Camshaft for Yamaha YZ250F 2001-2013 4020-1E
HOT CAMS
$310.95HOT CAMS Exhaust Camshaft 4020-1E Unlock the full potential of your engine with the HOT CAMS Exhaust Camshaft 4020-1E. Designed for high-performance racing applications, this camshaft enhances both torque and horsepower, ensuring optimal power delivery...09250032- SKU:
- 09250032
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- PRODUCT NAME:
- CAMSHAFT
- TYPE:
- STAGE 1
- RIDING STYLE:
- OFF-ROAD
- EXHAUST DURATION IMPERIAL:
- 252°
- EXHAUST LIFT METRIC:
- 8.10 MM
- APPLICATION:
- EXHAUST
- UNITS:
- EACH
$310.95 -
Hot Cams Stage 1 Exhaust Camshaft for 1998-2002 Yamaha WR400F and YZ400F 4035-1E
HOT CAMS
$296.95HOT CAMS Exhaust Camshaft 4035-1E Unlock the full potential of your engine with the HOT CAMS Exhaust Camshaft 4035-1E, designed for high-performance racing applications. This camshaft enhances throttle response and delivers impressive power gains across...09250033- SKU:
- 09250033
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- EXHAUST LIFT METRIC:
- 8.76 MM
- PRODUCT NAME:
- CAMSHAFT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CAM
- APPLICATION:
- EXHAUST
- EXHAUST DURATION IMPERIAL:
- 259°
- UNITS:
- EACH
$296.95 -
Hot Cams Stage 1 Intake Camshaft for Yamaha WR450F 2003-2015 4023-1IN
HOT CAMS
$297.95HOT CAMS Camshaft 4023-1IN Elevate your racing performance with the HOT CAMS Camshaft 4023-1IN, engineered for enthusiasts seeking maximum power and responsiveness. This camshaft is designed for seamless integration with stock valve springs, delivering...09250034- SKU:
- 09250034
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- INTAKE DURATION IMPERIAL:
- 269°
- PRODUCT NAME:
- CAMSHAFT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- STAGE 1
- APPLICATION:
- INTAKE
- INTAKE LIFT METRIC:
- 8.90 MM
- UNITS:
- EACH
$297.95 -
Hot Cams Valve Shim 10.0 x 2.40 for 2008-2010 KTM 530 EXC-R 5PK1000240
HOT CAMS
$10.95HOT CAMS Valve Shim 10.0 x 2.40 - 5 Pack Enhance your engine's performance with the HOT CAMS Valve Shim 10.0 x 2.40 replacement pack. Designed to refill your Valve Shim Kits, these high-quality shims ensure optimal valve clearance and improved engine...09261285- SKU:
- 09261285
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- PRODUCT NAME:
- SHIM
- UNITS:
- 5 PACK
- TYPE:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- VALVE SHIM THICKNESS METRIC:
- 2.40 MM
- MATERIAL:
- STEEL
$10.95Qty in Cart: 0Quantity:Price:$10.95Subtotal: -
Hot Cams Valve Shim 10.0mm x 2.45mm for KTM 690 Enduro R 2009-2010 5PK1000245
HOT CAMS
$10.95Premium HOT CAMS Valve Shim 10.0 x 2.45 - 5 Pack Enhance your engine's performance with the HOT CAMS Valve Shim 10.0 x 2.45. This pack includes five high-quality shims, designed to ensure optimal valve clearance and precision adjustments for your valve...09261286- SKU:
- 09261286
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- PRODUCT NAME:
- SHIM
- UNITS:
- 5 PACK
- VALVE SHIM THICKNESS METRIC:
- 2.45 MM
- RIDING STYLE:
- OFF-ROAD
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- TYPE:
- VALVE
- MATERIAL:
- STEEL
$10.95 -
Hot Cams Valve Shim 10.0 x 2.50 for KTM 530 EXC-R 2008-2010 5PK1000250
HOT CAMS
$10.95HOT CAMS Valve Shim 10.0 x 2.50 - 5 Pack Enhance your engine's performance with the HOT CAMS Valve Shim 10.0 x 2.50 5 Pack. Designed for precision and durability, these replacement shims ensure optimal valve clearance and improved engine efficiency...09261287- SKU:
- 09261287
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- SHIM
- UNITS:
- 5 PACK
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- VALVE SHIM THICKNESS METRIC:
- 2.50 MM
- TYPE:
- VALVE
$10.95 -
Hot Cams Valve Shim 10.0 x 2.60 for 2008-2010 KTM 530 EXC-R 5PK1000260
HOT CAMS
$10.95HOT CAMS Valve Shim 10.0 x 2.60 - 5 Pack Enhance your engine's performance with the HOT CAMS Valve Shim 10.0 x 2.60. This high-quality replacement pack is designed to refill your Valve Shim Kits, ensuring optimal valve clearance and engine efficiency...09261289- SKU:
- 09261289
- 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:
- 2.60 MM
- RIDING STYLE:
- OFF-ROAD
$10.95 -
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
