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!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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Hot Cams Stage 1 Intake Camshaft for Suzuki RM-Z450 2008-2014 2266-1IN
HOT CAMS
$268.95HOT CAMS Camshaft 2266-1IN Unleash your engine's true potential with the HOT CAMS Camshaft 2266-1IN, expertly engineered for high-performance racing applications. Designed for seamless installation with stock valve springs, this camshaft optimizes both...09250866- SKU:
- 09250866
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- INTAKE DURATION IMPERIAL:
- 235.5°
- INTAKE LIFT METRIC:
- 9.60 MM
- APPLICATION:
- INTAKE
- UNITS:
- EACH
- PRODUCT NAME:
- CAMSHAFT
- RIDING STYLE:
- OFF-ROAD
$268.95 -
Hot Cams Exhaust Camshaft for Suzuki RM-Z 450 2008-2014 2267-1E
HOT CAMS
$297.95HOT CAMS Exhaust Camshaft 2267-1E Unlock the full potential of your engine with the HOT CAMS Exhaust Camshaft 2267-1E. Designed for high-performance racing applications, this camshaft enhances both torque and horsepower, providing a significant boost...09250867- SKU:
- 09250867
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- APPLICATION:
- EXHAUST
- EXHAUST DURATION IMPERIAL:
- 238°
- EXHAUST LIFT METRIC:
- 9.70 MM
- TYPE:
- STAGE 1
- UNITS:
- EACH
- PRODUCT NAME:
- CAMSHAFT
- RIDING STYLE:
- OFF-ROAD
$297.95 -
On Sale
Hot Cams Stage 2 Intake Camshaft for Suzuki RM-Z 450 2008-2014 2268-2IN
HOT CAMS
MSRP: $263.95Now: $172.00Was: $263.95HOT CAMS Camshaft 2268-2IN Elevate your engine's performance with the HOT CAMS 2268-2IN camshaft, expertly engineered for high-performance racing applications. Designed for seamless installation with stock valve springs, this camshaft optimizes both...09250868- SKU:
- 09250868
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- INTAKE LIFT METRIC:
- 9.90 MM
- INTAKE DURATION IMPERIAL:
- 246.5°
- UNITS:
- EACH
- PRODUCT NAME:
- CAMSHAFT
- APPLICATION:
- INTAKE
- RIDING STYLE:
- OFF-ROAD
MSRP: $263.95Now: $172.00Was: $263.95Qty in Cart: 0Quantity:Price:MSRP: $263.95Now: $172.00Was: $263.95Subtotal: -
Hot Cams Exhaust Camshaft for 2008-2014 Suzuki RM-Z450 2269-2E
HOT CAMS
$297.95HOT CAMS Exhaust Camshaft 2269-2E Elevate your engine's performance with the HOT CAMS Exhaust Camshaft 2269-2E, designed for high-performance racing applications. Featuring advanced Improved Throttle Design (ITR) technology, this camshaft enhances...09250869- SKU:
- 09250869
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- EXHAUST LIFT METRIC:
- 9.70 MM
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- CAMSHAFT
- TYPE:
- STAGE 2
- EXHAUST DURATION IMPERIAL:
- 244°
$297.95 -
Hot Cams Exhaust Camshaft for Yamaha YZ250F 2014-2016 4271-1E
HOT CAMS
$297.95HOT CAMS Exhaust Camshaft 4271-1E Unlock the full potential of your engine with the HOT CAMS Exhaust Camshaft 4271-1E, engineered for high-performance racing applications. This camshaft is designed to enhance throttle response and deliver impressive...09250879- SKU:
- 09250879
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- APPLICATION:
- EXHAUST
- EXHAUST DURATION IMPERIAL:
- 246.7°
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- EXHAUST LIFT METRIC:
- 8.59 MM
- PRODUCT NAME:
- CAMSHAFT
- TYPE:
- STAGE 1
$297.95 -
Hot Cams Stage 2 Intake Camshaft for 2015-2019 Yamaha WR250F 2014-2016 Yamaha YZ250F 2015-2019 Yamaha YZ250FX 4272-2IN
HOT CAMS
$289.95HOT CAMS Camshaft 4272-2IN Elevate your racing performance with the HOT CAMS Camshaft 4272-2IN. Designed for enthusiasts seeking optimal torque and horsepower, this camshaft offers a seamless drop-in solution compatible with stock valve springs...09250880- SKU:
- 09250880
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- INTAKE LIFT METRIC:
- 9.70 MM
- PRODUCT NAME:
- CAMSHAFT
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- INTAKE
- INTAKE DURATION IMPERIAL:
- 264.4°
- UNITS:
- EACH
$289.95 -
Hot Cams Exhaust Camshaft Yamaha YZ250F 2014-2016 4273-2E
HOT CAMS
$297.95HOT CAMS Exhaust Camshaft 4273-2E Unlock the full potential of your engine with the HOT CAMS Exhaust Camshaft 4273-2E, designed for high-performance racing applications. This camshaft enhances throttle response and power delivery, ensuring that you...09250881- SKU:
- 09250881
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- PRODUCT NAME:
- CAMSHAFT
- EXHAUST DURATION IMPERIAL:
- 249.5°
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- EXHAUST
- EXHAUST LIFT METRIC:
- 8.76 MM
- TYPE:
- STAGE 2
- UNITS:
- EACH
$297.95 -
Hot Cams Stage 1 Intake Camshaft for 2014-2015 Yamaha YZ450F 4278-1IN
HOT CAMS
$289.95HOT CAMS Camshaft 4278-1IN Elevate your racing performance with the HOT CAMS Camshaft 4278-1IN, engineered for enthusiasts seeking both reliability and power. This camshaft is designed to seamlessly integrate with stock valve springs, making it an ideal...09250882- SKU:
- 09250882
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- APPLICATION:
- INTAKE
- RIDING STYLE:
- OFF-ROAD
- INTAKE DURATION IMPERIAL:
- 251.8°
- UNITS:
- EACH
- PRODUCT NAME:
- CAMSHAFT
- INTAKE LIFT METRIC:
- 9.73 MM
$289.95Qty in Cart: 0Quantity:Price:$289.95Subtotal: -
Hot Cams Exhaust Camshaft for Yamaha YZ450F 2014-2015 4279-1E
HOT CAMS
$149.95HOT CAMS Exhaust Camshaft 4279-1E Unlock the full potential of your engine with the HOT CAMS Exhaust Camshaft 4279-1E. Designed for high-performance racing applications, this camshaft enhances throttle response and delivers impressive power gains across...09250883- SKU:
- 09250883
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- CAMSHAFT
- EXHAUST DURATION IMPERIAL:
- 249.4°
- EXHAUST LIFT METRIC:
- 9.14 MM
- TYPE:
- STAGE 1
$149.95 -
Hot Cams Camshaft 4280-2IN
HOT CAMS
$289.95HOT CAMS Camshaft 4280-2IN Elevate your racing performance with the HOT CAMS 4280-2IN camshaft, engineered for enthusiasts seeking optimal power and responsiveness. This high-performance camshaft is available in Stage 1 and Stage 2 options, tailored to...09250884- SKU:
- 09250884
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- PRODUCT NAME:
- CAMSHAFT
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- INTAKE
- INTAKE DURATION IMPERIAL:
- 269.3°
- UNITS:
- EACH
- INTAKE LIFT METRIC:
- 10.03 MM
$289.95Qty in Cart: 0Quantity:Price:$289.95Subtotal: -
Hot Cams Exhaust Camshaft for Yamaha YZ450F 2014-2015 4281-2E
HOT CAMS
$292.95HOT CAMS Exhaust Camshaft 4281-2E Elevate your engine's performance with the HOT CAMS Exhaust Camshaft 4281-2E, designed for high-octane racing applications. Featuring advanced technology for improved throttle response, this camshaft optimizes torque and...09250885- SKU:
- 09250885
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- EXHAUST DURATION IMPERIAL:
- 249.4°
- PRODUCT NAME:
- CAMSHAFT
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- EXHAUST
- EXHAUST LIFT METRIC:
- 9.14 MM
- UNITS:
- EACH
- TYPE:
- STAGE 2
$292.95 -
Hot Cams Cam Chain for Honda XR600R 1988-2000 HC82RH2010118
HOT CAMS
$82.95HOT CAMS Cam Chain HC82RH2010118 Upgrade your engine's performance with the HOT CAMS Cam Chain HC82RH2010118. Designed with precision engineering, this silent chain features exclusive heat-treated links that enhance durability and reduce friction,...09250886- SKU:
- 09250886
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- CHAIN SIZE:
- 82RH2010
- COLOR/FINISH:
- RAW
- PRODUCT NAME:
- CHAIN
- UNITS:
- EACH
- MATERIAL:
- STEEL
- MODEL:
- SILENT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CAM
- RIDING STYLE:
- ATV
- BASE FINISH:
- RAW
- RIDING STYLE:
- STREET
$82.95 -
Hot Cams Cam Chain for Yamaha WR250F 2015-2021 YZ250F 2014-2022 YZ250FX 2015-2021 HC98XRH2010114
HOT CAMS
$41.95HOT CAMS Cam Chain HC98XRH2010114 Experience superior performance with the HOT CAMS Cam Chain HC98XRH2010114, designed for durability and reliability. Crafted with exclusive heat-treated links, this silent chain minimizes friction and enhances impact...09250887- SKU:
- 09250887
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- CHAIN SIZE:
- 98XRH2010
- PRODUCT NAME:
- CHAIN
- TYPE:
- CAM
- COLOR/FINISH:
- RAW
- UNITS:
- EACH
- MATERIAL:
- STEEL
- MODEL:
- SILENT
- RIDING STYLE:
- OFF-ROAD
- BASE FINISH:
- RAW
$41.95 -
Hot Cams Cam Chain 1999-2008 Honda TRX400EX HC82RH2010112
HOT CAMS
$79.95HOT CAMS Cam Chain HC82RH2010112 Experience unparalleled performance with the HOT CAMS Cam Chain HC82RH2010112, designed for superior durability and efficiency. Its exclusive heat-treated links ensure exceptional resistance to friction and impact, making...09250980- SKU:
- 09250980
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- CHAIN SIZE:
- 82RH2010
- COLOR/FINISH:
- RAW
- MATERIAL:
- STEEL
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- PRODUCT NAME:
- CHAIN
- BASE FINISH:
- RAW
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CAM
- MODEL:
- SILENT
$79.95 -
Hot Cams Cam Chain for Honda CRF150R 2007-2024 HC92RH2015096
HOT CAMS
$50.95HOT CAMS Cam Chain HC92RH2015096 Experience unparalleled performance with the HOT CAMS Cam Chain HC92RH2015096. Designed with precision and durability in mind, this silent chain features exclusive heat-treated links that enhance friction and impact...09250982- SKU:
- 09250982
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- PRODUCT NAME:
- CHAIN
- TYPE:
- CAM
- COLOR/FINISH:
- RAW
- UNITS:
- EACH
- CHAIN SIZE:
- 92RH2015
- MATERIAL:
- STEEL
- MODEL:
- SILENT
- RIDING STYLE:
- OFF-ROAD
- BASE FINISH:
- RAW
$50.95 -
Hot Cams Cam Chain for KTM 450 EXC-R 2008-2011 HC92RH2015110
HOT CAMS
$69.95HOT CAMS Cam Chain HC92RH2015110 Experience superior performance with the HOT CAMS Cam Chain HC92RH2015110. Designed with exclusive heat-treated links, this silent chain offers exceptional resistance to friction and impact, ensuring long-lasting...09250983- SKU:
- 09250983
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- COLOR/FINISH:
- RAW
- PRODUCT NAME:
- CHAIN
- UNITS:
- EACH
- CHAIN SIZE:
- 92RH2015
- MATERIAL:
- STEEL
- MODEL:
- SILENT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CAM
- BASE FINISH:
- RAW
- RIDING STYLE:
- STREET
$69.95 -
Hot Cams Cam Chain for 1996-2017 Kawasaki KLR650 HC92RH2015174
HOT CAMS
$88.95HOT CAMS Cam Chain HC92RH2015174 Upgrade your engine's performance with the HOT CAMS Cam Chain HC92RH2015174. Designed for durability and precision, this silent chain features heat-treated links that enhance friction and impact resistance, ensuring a...09250984- SKU:
- 09250984
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- MODEL:
- SILENT
- PRODUCT NAME:
- CHAIN
- TYPE:
- CAM
- BASE FINISH:
- RAW
- COLOR/FINISH:
- RAW
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- CHAIN SIZE:
- 92RH2015
- MATERIAL:
- STEEL
$88.95Qty in Cart: 0Quantity:Price:$88.95Subtotal: -
Hot Cams Stage 1 Intake Camshaft for 2005-2006 Suzuki RM-Z450 2052-1IN
HOT CAMS
$264.95HOT CAMS Camshaft 2052-1IN Elevate your racing experience with the HOT CAMS Camshaft 2052-1IN, engineered for high performance. This camshaft is designed for seamless integration with stock valve springs, offering an ideal balance of torque and...09250086- SKU:
- 09250086
- Availability:
- Ships Same Business Day
- Weight:
- 0.83 LBS
- INTAKE DURATION IMPERIAL:
- 262°
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- STAGE 1
- INTAKE LIFT METRIC:
- 9.60 MM
- PRODUCT NAME:
- CAMSHAFT
- APPLICATION:
- INTAKE
- UNITS:
- EACH
$264.95 -
Hot Cams Stage 2 Exhaust Camshaft for 2001-2012 Yamaha YZ250F 4055-2E
HOT CAMS
$297.95HOT CAMS Exhaust Camshaft 4055-2E Unleash your engine's potential with the HOT CAMS Exhaust Camshaft 4055-2E, designed for high-performance racing applications. With advanced ITR technology, this camshaft optimizes throttle response across all RPMs,...09250087- SKU:
- 09250087
- Availability:
- Ships Same Business Day
- Weight:
- 0.98 LBS
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- CAMSHAFT
- TYPE:
- STAGE 2
- RIDING STYLE:
- OFF-ROAD
- EXHAUST DURATION IMPERIAL:
- 252°
- EXHAUST LIFT METRIC:
- 8.50 MM
- UNITS:
- EACH
$297.95 -
Hot Cams Stage 2 Intake Camshaft for Yamaha YZ250F 2001-2012 4054-2IN
HOT CAMS
$310.95HOT CAMS Camshaft 4054-2IN Unlock the full potential of your engine with the HOT CAMS Camshaft 4054-2IN, designed for high-performance racing applications. Offering exceptional throttle response and power gains, these camshafts are ideal for enthusiasts...09250088- SKU:
- 09250088
- Availability:
- Ships Same Business Day
- Weight:
- 0.98 LBS
- INTAKE DURATION IMPERIAL:
- 256°
- INTAKE LIFT METRIC:
- 8.50 MM
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- CAMSHAFT
- TYPE:
- STAGE 2
- APPLICATION:
- INTAKE
- UNITS:
- EACH
$310.95
