Dirt Bike Engine
Dirt Bike Engine Parts at JJ Motorsports
Discover a full range of dirt bike engine components for rebuilding or upgrading your performance from JJ Motorsports. 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 to keep your engine running at peak efficiency on the track or trails.
Shop trusted brands like Wiseco for forged piston kits and K&N for high-flow oil filters. Explore related categories such as Dirt Bike Air and Fuel for intake upgrades or Dirt Bike Exhaust for complete systems.
Browse our in-stock inventory below with same-day shipping and expert support. Questions? Contact us for fitment advice!
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- Price
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Hot Cams Exhaust Camshaft for Suzuki DR-Z400E 2000-2008 2252-2E
HOT CAMS
$296.95Unlock your engine's potential with the HOT CAMS Exhaust Camshaft 2252-2E, designed for serious racing enthusiasts. This camshaft enhances throttle response and power delivery across the entire RPM range, making it an ideal choice for both mid-range...09250694- SKU:
- 09250694
- Availability:
- Ships Same Business Day
- Weight:
- 1.14 LBS
- PRODUCT NAME:
- CAMSHAFT
- RIDING STYLE:
- OFF-ROAD
- EXHAUST LIFT METRIC:
- 9.07 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- EXHAUST DURATION IMPERIAL:
- 238°
- APPLICATION:
- EXHAUST
- TYPE:
- STAGE 2
$296.95 -
Hot Cams Stage 2 Intake Camshaft for KTM 250 SX-F 2011-2012 3227-2IN
HOT CAMS
$149.95Elevate your engine's performance with the HOT CAMS 3227-2IN Camshaft, designed for serious racing enthusiasts. This high-performance camshaft is engineered to maximize torque and horsepower, making it an ideal upgrade for both stock and modified setups...09250699- SKU:
- 09250699
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- APPLICATION:
- INTAKE
- INTAKE DURATION IMPERIAL:
- 253°
- INTAKE LIFT METRIC:
- 10.73 MM
- UNITS:
- EACH
- PRODUCT NAME:
- CAMSHAFT
- TYPE:
- STAGE 2
- RIDING STYLE:
- OFF-ROAD
$149.95 -
Hot Cams 10mm Valve Shim Kit for KTM 1190 Adventure 2014-2016 HCSHIM31
HOT CAMS
$109.95Enhance your engine's performance with the HOT CAMS Cam Shim Kit HCSHIM31. Designed for precision and reliability, this kit allows for easy adjustments to your camshaft, ensuring optimal valve clearance and improved engine efficiency. Perfect for both...09250726- SKU:
- 09250726
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- PRODUCT NAME:
- SHIM KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- 5 PACK
- DIAMETER METRIC:
- 10.00 MM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- VALVE
$109.95 -
Hot Cams Cam Chain for Honda CRF250R 2004-2009 and CRF250X 2004-2017 HC92RH2015104
HOT CAMS
$74.95Elevate your engine's performance with the HOT CAMS Cam Chain HC92RH2015104. Designed with precision, this silent chain features exclusive heat-treated links that ensure superior durability and resistance to wear. Engineered to surpass OEM...09250761- SKU:
- 09250761
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- BASE FINISH:
- RAW
- CHAIN SIZE:
- 92RH2015
- MATERIAL:
- STEEL
- MODEL:
- SILENT
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- RAW
- UNITS:
- EACH
- PRODUCT NAME:
- CHAIN
- TYPE:
- CAM
$74.95 -
Hot Cams Cam Chain for KTM 450 SX-F 2007-2012 HC98XRH2015080
HOT CAMS
$51.95Experience unparalleled performance with the HOT CAMS Cam Chain HC98XRH2015080. Designed with precision engineering, this silent chain features exclusive heat-treated links that enhance durability and resistance to wear. It is meticulously crafted to...09250985- SKU:
- 09250985
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- PRODUCT NAME:
- CHAIN
- TYPE:
- CAM
- MATERIAL:
- STEEL
- MODEL:
- SILENT
- RIDING STYLE:
- OFF-ROAD
- CHAIN SIZE:
- 98XRH2015
- COLOR/FINISH:
- RAW
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- BASE FINISH:
- RAW
$51.95 -
Hot Cams Cam Chain for Honda CRF100F 2004-2013 HCDID25H090
HOT CAMS
$40.95Experience superior performance with the HOT CAMS Cam Chain HCDID25H090, designed for durability and reliability. Its exclusive heat-treated links ensure exceptional resistance to friction and impact, making it a top choice for enthusiasts and...09250989- SKU:
- 09250989
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- MODEL:
- ROLLER
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- CHAIN
- BASE FINISH:
- RAW
- CHAIN SIZE:
- DID25H
- TYPE:
- CAM
- COLOR/FINISH:
- RAW
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$40.95 -
Hot Cams Cam Chain for Honda TRX200 FourTrax 1990-1991 HCDID25H100
HOT CAMS
$53.95Experience superior performance with the HOT CAMS Cam Chain HCDID25H100, designed for enthusiasts who demand reliability and precision. This silent chain features exclusive heat-treated links that provide exceptional durability against friction and...09250990- SKU:
- 09250990
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- COLOR/FINISH:
- RAW
- MATERIAL:
- STEEL
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- BASE FINISH:
- RAW
- CHAIN SIZE:
- DID25H
- RIDING STYLE:
- STREET
- TYPE:
- CAM
- PRODUCT NAME:
- CHAIN
- MODEL:
- ROLLER
$53.95 -
Hot Cams Exhaust Camshaft for Kawasaki KLX450R 2008-2009 2199-2E
HOT CAMS
$145.95Elevate your racing performance with the HOT CAMS Exhaust Camshaft 2199-2E, designed for high-performance applications. This camshaft optimizes throttle response and enhances power delivery across the RPM range, making it an ideal choice for serious...09250566- SKU:
- 09250566
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- EXHAUST LIFT METRIC:
- 9.91 MM
- PRODUCT NAME:
- CAMSHAFT
- TYPE:
- STAGE 2
- EXHAUST DURATION IMPERIAL:
- 250°
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
$145.95 -
Hot Cams Exhaust Camshaft for Yamaha YZ450F 2010-2013 4164-1EX
HOT CAMS
$297.95Elevate your racing performance with the HOT CAMS Exhaust Camshaft 4164-1EX. Designed for high-performance applications, this camshaft optimizes both torque and horsepower, ensuring your engine operates at its peak across the entire RPM range. Experience...09250568- SKU:
- 09250568
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- EXHAUST LIFT METRIC:
- 8.64 MM
- PRODUCT NAME:
- CAMSHAFT
- TYPE:
- STAGE 1
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- EXHAUST
- EXHAUST DURATION IMPERIAL:
- 249°
- UNITS:
- EACH
$297.95 -
Hot Cams Exhaust Camshaft for Yamaha YZ450F 2010-2013 4166-2EX
HOT CAMS
$297.95Unlock the full potential of your engine with the HOT CAMS Exhaust Camshaft 4166-2EX, designed for high-performance racing applications. This camshaft enhances both torque and horsepower, ensuring optimal throttle response across the entire RPM spectrum...09250570- SKU:
- 09250570
- Availability:
- Ships Same Business Day
- Weight:
- 1.02 LBS
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- CAMSHAFT
- TYPE:
- STAGE 2
- EXHAUST DURATION IMPERIAL:
- 254°
- EXHAUST LIFT METRIC:
- 8.90 MM
- UNITS:
- EACH
$297.95 -
Hot Cams Stage 2 Intake Camshaft for 1996-2018 Kawasaki KLR650 2116-2IN
HOT CAMS
$289.95Unleash your engine's potential with the HOT CAMS Camshaft 2116-2IN, engineered for high-performance racing applications. Available in Stage 1 and Stage 2 options, these camshafts are designed for seamless installation with stock valve springs, enhancing...09250324- SKU:
- 09250324
- Availability:
- Ships Same Business Day
- Weight:
- 1.01 LBS
- INTAKE DURATION IMPERIAL:
- 235.75°
- INTAKE LIFT METRIC:
- 9.11 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- PRODUCT NAME:
- CAMSHAFT
- TYPE:
- STAGE 2
- APPLICATION:
- INTAKE
$289.95 -
Hot Cams Stage 2 Exhaust Camshaft for Kawasaki KLR650 1996-2018 2117-2E
HOT CAMS
$327.95Elevate your engine's performance with the HOT CAMS Exhaust Camshaft 2117-2E, designed for high-performance racing applications. This camshaft optimizes torque delivery and peak horsepower, ensuring your engine operates at its best across various RPMs...09250325- SKU:
- 09250325
- Availability:
- Ships Same Business Day
- Weight:
- 1.11 LBS
- APPLICATION:
- EXHAUST
- EXHAUST DURATION IMPERIAL:
- 235.75°
- EXHAUST LIFT METRIC:
- 9.10 MM
- TYPE:
- STAGE 2
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- PRODUCT NAME:
- CAMSHAFT
$327.95 -
Hot Cams 8.9mm Valve Shim Kit for 2005-2018 KTM 250 SX-F HCSHIM00
HOT CAMS
$86.95The HOT CAMS Cam Shim Kit HCSHIM00 is an essential tool for precision engine tuning, designed to enhance performance and ensure optimal valve clearance. Each kit contains high-quality shims that allow for easy adjustments, making it perfect for both...09250332- SKU:
- 09250332
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
- DIAMETER METRIC:
- 8.90 MM
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- SHIM KIT
- UNITS:
- 5 PACK
- TYPE:
- VALVE
$86.95 -
Hot Cams Stage 3 Camshaft for Honda CRF250R 2004-2009 1104-3
HOT CAMS
$415.95Elevate your engine's performance with the HOT CAMS Camshaft 1104-3, engineered for high-performance racing applications. Available in Stage 1 and Stage 2 options, these camshafts are designed as drop-in solutions that maintain compatibility with stock...09250269- SKU:
- 09250269
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- INTAKE DURATION IMPERIAL:
- 254°
- PRODUCT NAME:
- CAMSHAFT
- INTAKE LIFT METRIC:
- 8.61 MM
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- EXHAUST
- APPLICATION:
- INTAKE
- EXHAUST DURATION IMPERIAL:
- 261.5°
- EXHAUST LIFT METRIC:
- 8.13 MM
- TYPE:
- STAGE 3
- UNITS:
- EACH
$415.95 -
Hot Cams Stage 2 Intake Camshaft for Yamaha YZ450F 2003-2009 4089-2IN
HOT CAMS
$310.95Elevate your racing performance with the HOT CAMS Camshaft 4089-2IN. Engineered for both enthusiasts and professional racers, this camshaft offers a seamless drop-in solution, compatible with stock valve springs. Experience enhanced throttle response and...09250276- SKU:
- 09250276
- Availability:
- Ships Same Business Day
- Weight:
- 0.89 LBS
- PRODUCT NAME:
- CAMSHAFT
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- INTAKE
- UNITS:
- EACH
- INTAKE DURATION IMPERIAL:
- 260°
- INTAKE LIFT METRIC:
- 8.89 MM
- TYPE:
- STAGE 2
$310.95 -
Hot Cams Honda CRF150R 2007-2021 Stage 1 Camshaft 1079-1
HOT CAMS
$337.95Elevate your engine's performance with the HOT CAMS Camshaft 1079-1, engineered for high-performance racing. Available in Stage 1 and Stage 2 configurations, these camshafts are designed for easy installation with stock valve springs, enhancing torque...09250131- SKU:
- 09250131
- Availability:
- Ships Same Business Day
- Weight:
- 1.47 LBS
- EXHAUST DURATION IMPERIAL:
- 265°
- TYPE:
- STAGE 1
- INTAKE DURATION IMPERIAL:
- 238°
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- CAMSHAFT
- APPLICATION:
- INTAKE
- EXHAUST LIFT METRIC:
- 7.45 MM
- INTAKE LIFT METRIC:
- 8.00 MM
- UNITS:
- EACH
$337.95 -
Hot Cams Stage 2 Camshaft for Honda CRF150R 2007-2020 1080-2
HOT CAMS
$337.95Elevate your racing experience with the HOT CAMS Camshaft 1080-2, engineered for high performance. This camshaft offers a perfect blend of torque and horsepower, making it ideal for both enthusiasts and competitive racers. With advanced ITR technology,...09250132- SKU:
- 09250132
- Availability:
- Ships Same Business Day
- Weight:
- 1.48 LBS
- INTAKE DURATION IMPERIAL:
- 254°
- APPLICATION:
- EXHAUST
- INTAKE LIFT METRIC:
- 8.70 MM
- PRODUCT NAME:
- CAMSHAFT
- TYPE:
- STAGE 2
- EXHAUST DURATION IMPERIAL:
- 273.5°
- UNITS:
- EACH
- APPLICATION:
- INTAKE
- EXHAUST LIFT METRIC:
- 7.75 MM
- RIDING STYLE:
- OFF-ROAD
$337.95 -
Hot Cams Stage 1 Camshaft for Honda CRF250X 2004-2009 2012-2013 2015-2017 1039-1
HOT CAMS
$400.95Elevate your engine's performance with the HOT CAMS Camshaft 1039-1, engineered for both serious racers and enthusiasts. Designed as a drop-in solution, this camshaft seamlessly integrates with stock valve springs, providing an immediate boost in torque...09250049- SKU:
- 09250049
- Availability:
- Ships Same Business Day
- Weight:
- 1.12 LBS
- INTAKE DURATION IMPERIAL:
- 244°
- INTAKE LIFT METRIC:
- 8.10 MM
- PRODUCT NAME:
- CAMSHAFT
- TYPE:
- STAGE 1
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- INTAKE
- EXHAUST DURATION IMPERIAL:
- 250°
- EXHAUST LIFT METRIC:
- 8.10 MM
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
$400.95 -
Hot Cams Stage 1 Intake Camshaft for 2004-2009 Kawasaki KX250F 2004-2007 Suzuki RM-Z250 2041-1IN
HOT CAMS
$272.95Elevate your racing performance with the HOT CAMS Camshaft 2041-1IN, engineered for enthusiasts seeking maximum power and responsiveness. Designed as a drop-in solution, this camshaft seamlessly integrates with stock valve springs, making it an ideal...09250050- SKU:
- 09250050
- Availability:
- Ships Same Business Day
- Weight:
- 0.88 LBS
- TYPE:
- STAGE 1
- PRODUCT NAME:
- CAMSHAFT
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- INTAKE
- INTAKE DURATION IMPERIAL:
- 253°
- INTAKE LIFT METRIC:
- 9.14 MM
- UNITS:
- EACH
$272.95 -
Hot Cams Exhaust Camshaft for Kawasaki KX250F 2004-2010 2040-1E
HOT CAMS
$272.95Elevate your racing performance with the HOT CAMS Exhaust Camshaft 2040-1E. Designed for high-performance applications, this camshaft optimizes torque and horsepower, ensuring a thrilling driving experience. With advanced ITR technology, enjoy improved...09250051- SKU:
- 09250051
- Availability:
- Ships Same Business Day
- Weight:
- 1.11 LBS
- EXHAUST DURATION IMPERIAL:
- 244°
- EXHAUST LIFT METRIC:
- 7.98 MM
- TYPE:
- STAGE 1
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- CAMSHAFT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$272.95
