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
-
Hot Cams Valve Shim 10.0 x 2.35 for KTM 690 Enduro 2008 5PK1000235
HOT CAMS
$11.95Enhance your engine's performance with the HOT CAMS Valve Shim 10.0 x 2.35, designed to ensure precise valve adjustments. This pack of five replacement shims is perfect for refilling your Valve Shim Kits, providing durability and reliability for optimal...09261284- SKU:
- 09261284
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- VALVE SHIM THICKNESS METRIC:
- 2.35 MM
- PRODUCT NAME:
- SHIM
- TYPE:
- VALVE
- UNITS:
- 5 PACK
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
$11.95 -
Hot Cams Valve Shim 10.00mm x 3.10mm for KTM 530 EXC-R 2008-2010 5PK1000310
HOT CAMS
$11.95Enhance your engine's performance with the HOT CAMS Valve Shim 10.0 x 3.10, a reliable solution for precision tuning. This 5-pack is designed to refill your Valve Shim Kits, ensuring optimal valve clearance and efficient engine operation. Crafted from...09261299- SKU:
- 09261299
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- PRODUCT NAME:
- SHIM
- TYPE:
- VALVE
- UNITS:
- 5 PACK
- VALVE SHIM THICKNESS METRIC:
- 3.10 MM
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
$11.95 -
Hot Cams Valve Shim 10.0 x 3.15 for KTM 530 EXC-R 2008-2010 5PK1000315
HOT CAMS
$11.95Upgrade your engine's performance with the HOT CAMS Valve Shim 10.0 x 3.15 replacement pack. Designed to fit seamlessly into your Valve Shim Kits, these shims ensure optimal valve clearance and enhance engine efficiency. Reliable and durable, they are...09261300- SKU:
- 09261300
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- TYPE:
- VALVE
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- PRODUCT NAME:
- SHIM
- UNITS:
- 5 PACK
- VALVE SHIM THICKNESS METRIC:
- 3.15 MM
$11.95 -
Hot Cams Valve Shim 7.48mm x 1.25mm for Honda Kawasaki Suzuki Yamaha 5PK748125
HOT CAMS
$10.95Enhance your engine's performance with the HOT CAMS Valve Shim pack, designed specifically for precision and reliability. Each shim measures 7.48 x 1.25 mm, making them perfect for refilling your Valve Shim Kits. Ensure optimal valve clearance and...09261303- SKU:
- 09261303
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SHIM
- UNITS:
- 5 PACK
- VALVE SHIM THICKNESS METRIC:
- 1.25 MM
- OUTSIDE DIAMETER METRIC:
- 7.48 MM
- RIDING STYLE:
- STREET
- TYPE:
- VALVE
$10.95Qty in Cart: 0Quantity:Price:$10.95Subtotal: -
Hot Cams Valve Shim 7.48mm x 2.00mm for Honda CRF150R 2007-2022 5PK748200
HOT CAMS
$10.95Enhance your engine's performance with the HOT CAMS Valve Shim pack. Designed to refill your Valve Shim Kits, these precision-engineered shims ensure optimal valve clearance and improved engine efficiency. Perfect for both professional mechanics and DIY...09261318- SKU:
- 09261318
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- STEEL
- TYPE:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- VALVE SHIM THICKNESS METRIC:
- 2.00 MM
- OUTSIDE DIAMETER METRIC:
- 7.48 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
$10.95 -
Hot Cams Valve Shim 7.48mm x 2.05mm for Honda CRF150R 2007-2016 5PK748205
HOT CAMS
$10.95Enhance your engine's performance with the HOT CAMS Valve Shim Replacement Pack. Designed for precision and reliability, these shims are essential for maintaining optimal valve clearance in your engine. Each pack includes five high-quality shims to...09261319- SKU:
- 09261319
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- VALVE SHIM THICKNESS METRIC:
- 2.05 MM
- OUTSIDE DIAMETER METRIC:
- 7.48 MM
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SHIM
- TYPE:
- VALVE
- UNITS:
- 5 PACK
$10.95 -
Hot Cams Valve Shim 7.48mm x 2.20mm for Honda CRF 150R 2007-2018 5PK748220
HOT CAMS
$10.95Enhance your engine's performance with the HOT CAMS Valve Shim Pack. Designed to refill your Valve Shim Kits, these precision-engineered shims ensure optimal valve clearance for improved efficiency and reliability. Ideal for both professional mechanics...09261322- SKU:
- 09261322
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- SHIM
- TYPE:
- VALVE
- UNITS:
- 5 PACK
- OUTSIDE DIAMETER METRIC:
- 7.48 MM
- RIDING STYLE:
- STREET
- VALVE SHIM THICKNESS METRIC:
- 2.20 MM
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
$10.95 -
Hot Cams Valve Shim 7.48mm x 2.25mm for Honda CRF450R 2002-2008 5PK748225
HOT CAMS
$10.95Enhance the performance of your engine with the HOT CAMS Valve Shim Replacement Pack. Designed for precision and durability, these shims provide the perfect fit for your valve shim kits, ensuring optimal engine function. Each pack contains five...09261323- SKU:
- 09261323
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- OUTSIDE DIAMETER METRIC:
- 7.48 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- VALVE SHIM THICKNESS METRIC:
- 2.25 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- VALVE
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
$10.95Qty in Cart: 0Quantity:Price:$10.95Subtotal: -
Hot Cams Valve Shim 7.48mm x 2.30mm for Honda CRF150R 2007-2016 5PK748230
HOT CAMS
$10.95Enhance your engine's performance with the HOT CAMS Valve Shim 7.48 x 2.30. This 5-pack of high-quality shims is designed for easy replacement in your Valve Shim Kits, ensuring optimal valve clearance and improved engine efficiency. Durable and reliable,...09261324- SKU:
- 09261324
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- OUTSIDE DIAMETER METRIC:
- 7.48 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- VALVE
- VALVE SHIM THICKNESS METRIC:
- 2.30 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- STEEL
$10.95 -
Hot Cams Valve Shim 7.48mm x 2.35mm for Honda CRF150R 2007-2014 5PK748235
HOT CAMS
$10.95Enhance your engine's performance with the HOT CAMS Valve Shim 7.48 x 2.35. This pack of five high-quality shims is designed to refill your Valve Shim Kits, ensuring optimal valve clearance and improved engine efficiency. Built to withstand the demands...09261325- SKU:
- 09261325
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- ATV
- TYPE:
- VALVE
- RIDING STYLE:
- UTV
- MATERIAL:
- STEEL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- VALVE SHIM THICKNESS METRIC:
- 2.35 MM
- OUTSIDE DIAMETER METRIC:
- 7.48 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- 5 PACK
$10.95 -
Hot Cams Valve Shim 7.48mm x 2.40mm for Honda CRF250R 2004-2017 5PK748240
HOT CAMS
$10.95Upgrade your valve shim kits with the HOT CAMS Valve Shim 7.48 x 2.40. This convenient 5-pack ensures you have the right shims on hand for optimal engine performance. Designed for durability and precision, these shims are essential for maintaining your...09261326- SKU:
- 09261326
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- ATV
- TYPE:
- VALVE
- MATERIAL:
- STEEL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- OUTSIDE DIAMETER METRIC:
- 7.48 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- 5 PACK
- VALVE SHIM THICKNESS METRIC:
- 2.40 MM
$10.95 -
Hot Cams Valve Shim 7.48mm x 2.45mm for Honda CRF150R 2007-2016 5PK748245
HOT CAMS
$10.95Upgrade your valve shim kits with the HOT CAMS Valve Shim 7.48 x 2.45. This 5-pack is designed to provide reliable performance and precision for your engine maintenance needs. Ensure optimal engine performance with these high-quality replacement shims...09261327- SKU:
- 09261327
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- ATV
- TYPE:
- VALVE
- RIDING STYLE:
- STREET
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- UNITS:
- 5 PACK
- VALVE SHIM THICKNESS METRIC:
- 2.45 MM
- OUTSIDE DIAMETER METRIC:
- 7.48 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
$10.95 -
Hot Cams Valve Shim 7.48mm x 3.20mm for Honda CRF150R 2007-2019 5PK748320
HOT CAMS
$10.95Enhance your engine's performance with the HOT CAMS Valve Shim 7.48 x 3.20 pack. Designed for precision and durability, these replacement shims are perfect for refilling your Valve Shim Kits, ensuring optimal valve clearance and improved engine...09261342- SKU:
- 09261342
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- TYPE:
- VALVE
- VALVE SHIM THICKNESS METRIC:
- 3.20 MM
- OUTSIDE DIAMETER METRIC:
- 7.48 MM
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- 5 PACK
- MATERIAL:
- STEEL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
$10.95 -
Hot Cams Valve Shim 7.48mm x 3.40mm for Honda CRF150R 2007-2019 5PK748340
HOT CAMS
$10.95Enhance your engine's performance with the HOT CAMS Valve Shim pack, designed for precision and durability. Each shim measures 7.48 x 3.40 mm, making them ideal for refilling your Valve Shim Kits. Ensure optimal valve clearance and engine efficiency with...09261346- SKU:
- 09261346
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- OUTSIDE DIAMETER METRIC:
- 7.48 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- VALVE SHIM THICKNESS METRIC:
- 3.40 MM
- MATERIAL:
- STEEL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- VALVE
- RIDING STYLE:
- ATV
$10.95 -
Hot Cams Valve Shim 9.48mm x 1.55mm for Honda CRF450R 2002-2014 5PK948155
HOT CAMS
$10.95Enhance your engine's performance with the HOT CAMS Valve Shim 9.48 x 1.55. This 5-pack of precision-engineered shims is designed to fit seamlessly into your Valve Shim Kits, ensuring optimal valve clearance and improved engine efficiency. Ideal for both...09261379- SKU:
- 09261379
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- ATV
- TYPE:
- VALVE
- RIDING STYLE:
- STREET
- MATERIAL:
- STEEL
- OUTSIDE DIAMETER METRIC:
- 9.48 MM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- VALVE SHIM THICKNESS METRIC:
- 1.55 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- 5 PACK
$10.95 -
Hot Cams Valve Shim 9.48mm x 1.75mm for Honda CRF450R 2002-2014 5PK948175
HOT CAMS
$10.95Enhance your engine's performance with the HOT CAMS Valve Shim pack, designed for precision and durability. This 5-pack of high-quality shims is perfect for refilling your Valve Shim Kits, ensuring optimal valve clearance and engine efficiency. ...09261383- SKU:
- 09261383
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- ATV
- TYPE:
- VALVE
- VALVE SHIM THICKNESS METRIC:
- 1.75 MM
- RIDING STYLE:
- STREET
- MATERIAL:
- STEEL
- OUTSIDE DIAMETER METRIC:
- 9.48 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- SNOW
- UNITS:
- 5 PACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
$10.95 -
Hot Cams Valve Shim 9.48mm x 1.80mm for Honda CRF450R 2002-2023 5PK948180
HOT CAMS
$10.95Upgrade your engine's performance with the HOT CAMS Valve Shim pack, designed for precise valve adjustments. Each shim is crafted to meet high standards, ensuring durability and reliability in your valve shim kits. Perfect for enthusiasts looking to...09261384- SKU:
- 09261384
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- OUTSIDE DIAMETER METRIC:
- 9.48 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- VALVE
- UNITS:
- 5 PACK
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- VALVE SHIM THICKNESS METRIC:
- 1.80 MM
- MATERIAL:
- STEEL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
$10.95 -
Hot Cams Valve Shim 9.48mm x 1.85mm for Honda CRF 450R 2002-2014 5PK948185
HOT CAMS
$10.95Enhance your engine's performance with the HOT CAMS Valve Shim Pack, designed to refill your Valve Shim Kits. Each pack includes five high-quality shims, ensuring precise adjustments for optimal valve clearance and improved engine efficiency. ...09261385- SKU:
- 09261385
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- ATV
- TYPE:
- VALVE
- VALVE SHIM THICKNESS METRIC:
- 1.85 MM
- MATERIAL:
- STEEL
- OUTSIDE DIAMETER METRIC:
- 9.48 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- 5 PACK
$10.95 -
Hot Cams Valve Shim 9.48mm x 1.90mm for Honda CRF450R 2002-2012 5PK948190
HOT CAMS
$10.95Enhance your engine's performance with the HOT CAMS Valve Shim 9.48 x 1.90. This 5-pack of precision-engineered shims is designed to refill your Valve Shim Kits, ensuring optimal valve clearance and reliability. Perfect for both professional mechanics...09261386- SKU:
- 09261386
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- RIDING STYLE:
- ATV
- TYPE:
- VALVE
- VALVE SHIM THICKNESS METRIC:
- 1.90 MM
- MATERIAL:
- STEEL
- OUTSIDE DIAMETER METRIC:
- 9.48 MM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- UNITS:
- 5 PACK
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
$10.95 -
Hot Cams Valve Shim 9.48mm x 3.15mm for Honda CRF450R 2002-2009 5PK948315
HOT CAMS
$10.95Enhance your engine's performance with the HOT CAMS Valve Shim pack, designed for precision and reliability. Each shim is meticulously crafted to ensure optimal valve clearance, allowing for improved engine efficiency and longevity. Perfect for refilling...09261411- SKU:
- 09261411
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- 5 PACK
- VALVE SHIM THICKNESS METRIC:
- 3.15 MM
- MATERIAL:
- STEEL
- OUTSIDE DIAMETER METRIC:
- 9.48 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- RIDING STYLE:
- ATV
- TYPE:
- VALVE
$10.95
