Dirt Bike Cams and Parts
Dirt Bike Camshafts & Cam Chains for Honda, Yamaha, KTM & Suzuki at JJ Motorsports
Unlock more power, better throttle response, and improved top-end performance with premium camshafts and cam chains from JJ Motorsports. Our selection includes Hot Cams performance camshafts (Stage 1, Stage 2 intake/exhaust profiles) and Moose Racing heavy-duty timing chains, all engineered for maximum lift, duration, and reliability in motocross, enduro, and trail riding. Compatible with top models like Honda CRF250R/450R, Yamaha YZ250F/450F, KTM SX/EXC, and Suzuki RM-Z, these high-quality components deliver noticeable gains in mid-range torque or high-RPM horsepower while maintaining valve train stability under extreme conditions. Whether you're refreshing a tired motor or building a full race engine, Hot Cams drop-in profiles and Moose's DID-spec chains provide the durability and precision needed for championship-level results without valve clearance issues.
Shop the best dirt bike cams and timing chains at JJ Motorsports with fast shipping and expert support. Explore related categories such as dirt bike engine rebuild kits for complete top-end refreshes or dirt bike valves and parts for full valve train upgrades.
Top Dirt Bike Camshafts & Cam Chains
- Moose Offroad Cam Chain DID25H x 100 Links MSEHCDID25H100 – Heavy-duty DID-spec timing chain for extended life and reduced stretch; perfect for Honda CRF and Yamaha YZ models.
- Hot Cams Stage 1 Intake Camshaft 4012-1IN – Stage 1 intake cam for improved mid-range power and throttle response; drop-in design, no valve spring changes required.
- Hot Cams Stage 2 Exhaust Camshaft 2068-2E – Aggressive Stage 2 exhaust profile for maximum top-end horsepower; ideal for race builds and big-bore applications.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
Hot Cams Exhaust Camshaft Stage 1 & 2 Yamaha YZ250F 2019-2020 HC00122
HOT CAMS
$283.95Upgrade your Yamaha's performance with our Stage 1 & 2 Exhaust Camshaft, meticulously crafted from durable 8620 billet steel and case-hardened for longevity. Featuring Improved Throttle Response (I.T.R.) technology and a built-in decompression mechanism,...09251600- SKU:
- 09251600
- Availability:
- Ships Same Business Day
- Weight:
- 0.98 LBS
$283.95 -
Hot Cams Stage 2 Intake Camshaft for Yamaha YZ250F 2019-2020 HC00125
HOT CAMS
$254.95Transform your Yamaha's performance with the Stage 2 Intake Camshaft, meticulously crafted for enhanced power delivery and responsiveness. This camshaft is engineered to unlock significant gains in mid to top-end performance, ensuring that every ride is...09251601- SKU:
- 09251601
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
$254.95 -
Hot Cams Camshaft Chain Roller Kit Honda CRF100F 2004-2009 2011-2013 HCDID25H090
HOT CAMS
$43.95Enhance your Honda's engine performance with our premium camshaft chain. Engineered for durability, this roller chain ensures exceptional wear resistance and fatigue strength, making it the perfect choice for both daily driving and high-performance...09251604- SKU:
- 09251604
- Availability:
- Ships Same Business Day
- Weight:
- 0.24 LBS
$43.95 -
TMV Camchain Tensioner 138361060
TMV
$110.95TMV Camchain Tensioner09220177- SKU:
- 09220177
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- TENSIONER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CAM CHAIN
$110.95 -
TMV Camchain Tensioner - Blue 138101012BU
TMV
$108.95Removes excess slack in the timing chain to prevent damage to the pistons and valves09251322- SKU:
- 09251322
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- BLUE
- PRODUCT NAME:
- CAM CHAIN TENSIONER
$108.95 -
TMV Camchain Tensioner - Orange 138101012OR
TMV
$108.95Removes excess slack in the timing chain to prevent damage to the pistons and valves09251323- SKU:
- 09251323
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- BASE COLOR:
- ORANGE
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- CAM CHAIN TENSIONER
- UNITS:
- EACH
$108.95 -
MOOSE RACING Cam Chain 250-0006
MOOSE RACING
$7.95Made from the highest-quality select steel alloys, Lightweight and great durability, Feature precision solid bushings and shot-peened, providing maximum strength, Made to meet or exceed OEM standards09250800- SKU:
- 09250800
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- COLOR/FINISH:
- RAW
- MATERIAL:
- STEEL
- NUMBER OF LINKS:
- 122
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- BASE FINISH:
- RAW
- TYPE:
- CAM
- CHAIN SIZE:
- 92RH10
- PRODUCT NAME:
- CHAIN
- MODEL:
- SILENT
$7.95Qty in Cart: 0Quantity:Price:$7.95Subtotal: -
POWERSTANDS RACING Cam Chain Tensioner 03-02000-29
POWERSTANDS RACING
$74.95CNC-machined from billet aluminum with a gunmetal finish, Replaces OEM automatic/hydraulic tensioner, Eliminates out-of-timing problems caused by the OEM automatic tensioner, Eliminates excess tension/premature engine wear caused by OEM hydraulic...09250786- SKU:
- 09250786
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- PRODUCT NAME:
- TENSIONER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CAM CHAIN
- MATERIAL:
- ALUMINUM
- UNITS:
- EACH
- TYPE:
- MANUAL
$74.95Qty in Cart: 0Quantity:Price:$74.95Subtotal: -
POWERSTANDS RACING Cam Chain Tensioner 03-02001-29
POWERSTANDS RACING
$74.95CNC-machined from billet aluminum with a gunmetal finish, Replaces OEM automatic/hydraulic tensioner, Eliminates out-of-timing problems caused by the OEM automatic tensioner, Eliminates excess tension/premature engine wear caused by OEM hydraulic...09250787- SKU:
- 09250787
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- MATERIAL:
- ALUMINUM
- UNITS:
- EACH
- PRODUCT NAME:
- TENSIONER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CAM CHAIN
- TYPE:
- MANUAL
$74.95 -
POWERSTANDS RACING Cam Chain Tensioner 04-02002-29
POWERSTANDS RACING
$74.95CNC-machined from billet aluminum with a gunmetal finish, Replaces OEM automatic/hydraulic tensioner, Eliminates out-of-timing problems caused by the OEM automatic tensioner, Eliminates excess tension/premature engine wear caused by OEM hydraulic...09250790- SKU:
- 09250790
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- TENSIONER
- TYPE:
- MANUAL
- RIDING STYLE:
- ATV
- TYPE:
- CAM CHAIN
- UNITS:
- EACH
$74.95 -
POWERSTANDS RACING Cam Chain Tensioner 05-02000-29
POWERSTANDS RACING
$74.95CNC-machined from billet aluminum with a gunmetal finish, Replaces OEM automatic/hydraulic tensioner, Eliminates out-of-timing problems caused by the OEM automatic tensioner, Eliminates excess tension/premature engine wear caused by OEM hydraulic...09250793- SKU:
- 09250793
- Availability:
- Ships Same Business Day
- Weight:
- 0.46 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- PRODUCT NAME:
- TENSIONER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CAM CHAIN
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- TYPE:
- MANUAL
$74.95 -
POWERSTANDS RACING Cam Chain Tensioner - MX GM 08-02000-28
POWERSTANDS RACING
$74.95Made from billet aluminum, Remove out-of-timing problems, premature engine wear and excess tension caused by an automatic tensioner, Gunmetal-finish09251260- SKU:
- 09251260
- Availability:
- Ships Same Business Day
- Weight:
- 0.41 LBS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- CAM CHAIN TENSIONER
- UNITS:
- EACH
$74.95Qty in Cart: 0Quantity:Price:$74.95Subtotal: -
HOTOP Breather Gear Air Ramp PBGR-20
HOTOP
$44.95Increases cfm flow by approximately 80%, Helps remove more air and oil from the crankcase, Made in the U.S.A., Requires the removal of the screen on S&S breather gears.DS194254- SKU:
- DS194254
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- PRODUCT NAME:
- AIR RAMP
- TYPE:
- BREATHER GEAR
- UNITS:
- EACH
- RIDING STYLE:
- STREET
$44.95 -
Hot Cams Stage 1 Intake Camshaft for Yamaha YZ250F 2001-2013 4012-1IN
HOT CAMS
$335.95Elevate your vehicle's capabilities with our cutting-edge racing camshafts, designed for both Stage 1 and Stage 2 setups. These camshafts provide the perfect blend of torque and horsepower, ensuring an exhilarating driving experience for enthusiasts and...YZ250S1AI- SKU:
- YZ250S1AI
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- UNITS:
- EACH
- APPLICATION:
- INTAKE
- INTAKE DURATION IMPERIAL:
- 249°
- INTAKE LIFT METRIC:
- 8.48 MM
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- CAMSHAFT
$335.95 -
Hot Cams Stage 1 Intake Camshaft for Yamaha WR 400 F 1998-2000 4002-1IN
HOT CAMS
$294.95Enhance your engine's performance with our premium Stage 1 and Stage 2 racing camshafts. Designed for seamless integration with stock valve springs, these camshafts optimize torque and horsepower, delivering impressive power across various RPM ranges. ...YZ426S1AI- SKU:
- YZ426S1AI
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- PRODUCT NAME:
- CAMSHAFT
- INTAKE LIFT METRIC:
- 8.80 MM
- INTAKE DURATION IMPERIAL:
- 260°
- APPLICATION:
- INTAKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$294.95 -
Hot Cams Stage 1 Camshaft for Honda XR650R 2000-2007 1009-1
HOT CAMS
$391.95Transform your vehicle's capabilities with our premium racing camshafts, engineered for optimal performance and reliability. Perfect for both amateur racers and seasoned professionals, these camshafts are designed to deliver unmatched acceleration and...XR650S1A- SKU:
- XR650S1A
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- INTAKE DURATION IMPERIAL:
- 254°
- EXHAUST DURATION IMPERIAL:
- 251°
- INTAKE LIFT METRIC:
- 9.26 MM
- TYPE:
- STAGE 1
- APPLICATION:
- EXHAUST
- EXHAUST LIFT METRIC:
- 9.20 MM
- PRODUCT NAME:
- CAMSHAFT
- APPLICATION:
- INTAKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$391.95 -
Hot Cams Stage 2 Camshaft for 2000-2007 Honda XR650R 1010-2
HOT CAMS
$391.95Enhance your engine's performance with our premium Stage 1 and Stage 2 racing camshafts. Designed for seamless integration with stock valve springs, these camshafts optimize torque and horsepower, delivering impressive power across various RPM ranges. ...XR650S2A- SKU:
- XR650S2A
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- APPLICATION:
- INTAKE
- EXHAUST LIFT METRIC:
- 9.50 MM
- INTAKE LIFT METRIC:
- 9.57 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- INTAKE DURATION IMPERIAL:
- 265°
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- CAMSHAFT
- TYPE:
- STAGE 2
- EXHAUST DURATION IMPERIAL:
- 260°
$391.95 -
Hot Cams Exhaust Camshaft for Suzuki RM-Z450 2015-2017 2321-1E
HOT CAMS
$289.95Unlock the full potential of your engine with the HOT CAMS Exhaust Camshaft 2321-1E, designed specifically for high-performance racing applications. This camshaft enhances throttle response and delivers impressive power gains across the entire RPM range,...09251195- SKU:
- 09251195
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- EXHAUST DURATION IMPERIAL:
- 248.35°
- RIDING STYLE:
- OFF-ROAD
- EXHAUST LIFT METRIC:
- 9.70 MM
- TYPE:
- STAGE 1
- PRODUCT NAME:
- CAMSHAFT
$289.95 -
Hot Cams Stage 2 Intake Camshaft for Yamaha YZ250F 2017-2018 4326-2IN
HOT CAMS
$289.95Elevate your racing performance with the HOT CAMS Camshaft 4326-2IN, engineered for enthusiasts seeking precision and power. This high-performance camshaft is available in Stage 1 and Stage 2 options, offering tailored enhancements for torque and peak...09251199- SKU:
- 09251199
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- INTAKE LIFT METRIC:
- 9.91 MM
- PRODUCT NAME:
- CAMSHAFT
- TYPE:
- STAGE 2
- UNITS:
- EACH
- APPLICATION:
- INTAKE
- INTAKE DURATION IMPERIAL:
- 256.89°
- RIDING STYLE:
- OFF-ROAD
$289.95 -
Hot Cams Exhaust Camshaft for Yamaha YZ250F 2017-2018 4327-2E
HOT CAMS
$289.95Elevate your engine's performance with the HOT CAMS Exhaust Camshaft 4327-2E, designed for high-performance racing applications. This camshaft optimizes torque delivery and enhances peak horsepower, ensuring a thrilling driving experience. With the...09251200- SKU:
- 09251200
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- CAMSHAFT
- TYPE:
- STAGE 2
- EXHAUST LIFT METRIC:
- 9.02 MM
- UNITS:
- EACH
- EXHAUST DURATION IMPERIAL:
- 252.83°
- RIDING STYLE:
- OFF-ROAD
$289.95
