Street Bike Valves and Parts
Street Bike Valves & Parts at JJ Motorsports
Restore and enhance your street bike's engine performance with premium valves and parts from JJ Motorsports. Our selection includes intake and exhaust valves, valve shims, spring kits, and seals designed for precise fitment, high-temperature resistance, and improved durability on the road or track. Compatible with Honda, Yamaha, Kawasaki, Suzuki, and more, these components feature CNC-machined forgings, hard chrome finishes, super-clean silicon wire springs, and materials like EV8 stainless steel or Inconel-751 to prevent wear, ensure clean burning, and maintain optimal valve train operation for sportbikes, cruisers, or daily commuters. Ideal for shim-adjusted vehicles and full rebuilds, they offer superior sealing, reduced friction, and extended lifespan for DIY mechanics or professional shops.
Shop trusted brands like K&L Supply for precision shims and Kibblewhite for high-performance valves and springs. Explore related categories such as street bike engine gaskets & kits for complete rebuilds or street bike oils & fluids for maintenance essentials.
Top Street Bike Valves & Parts Products
- K&L SUPPLY Valve Shim - 1.75 - 7.50mm 13-6734 – 1.75 mm thickness with 7.50 mm outside diameter, 5-pack for shim-adjusted vehicles, compatible with street, adventure touring, ATV, off-road, and more.
- KIBBLEWHITE Exhaust Valve 40-4183H – White Diamond™ CNC-machined from EV8 stainless steel or Inconel-751 with hard chrome finish, standard size exhaust valve for street riding, 3.555" length and 30.00 mm head diameter.
- KIBBLEWHITE Spring Kit 60-60560 – High-performance chrome-silicon valve spring kit with 195 lb open pressure and 65 lb seat pressure, designed for intake/exhaust applications and 0.415" lift, made in the U.S.A. for superior durability.
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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K&L SUPPLY Valve Shim Kit - Suzuki 13-7008
K&L SUPPLY
$233.95Maintaining proper valve clearance is critical to engine performance, fuel efficiency, and longevity—and worn shims are a common culprit behind power loss and increased noise. The K&L SUPPLY Valve Shim Kit (MPN: 137008) provides precision-engineered...KL137008- SKU:
- KL137008
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- OUTSIDE DIAMETER METRIC:
- 29.50 MM
- PRODUCT NAME:
- SHIM KIT
- VALVE SHIM THICKNESS METRIC:
- 2.30 MM - 3.00 MM
- RIDING STYLE:
- STREET
- UNITS:
- 20 PIECE KIT
- TYPE:
- VALVE
$233.95Qty in Cart: 0Quantity:Price:$233.95Subtotal: -
K&L SUPPLY Valve Shim Kit - Honda/Yamaha 13-7005
K&L SUPPLY
$233.95Valve clearance directly impacts engine performance, fuel efficiency, and longevity—and shim adjustment is the most precise method for maintaining optimal clearances on Honda and Yamaha engines. The K&L SUPPLY Valve Shim Kit gives you the ability to dial...KL137005- SKU:
- KL137005
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- PRODUCT NAME:
- SHIM KIT
- RIDING STYLE:
- STREET
- UNITS:
- 20 PIECE KIT
- OUTSIDE DIAMETER METRIC:
- 25.00 MM
- TYPE:
- VALVE
- VALVE SHIM THICKNESS METRIC:
- 2.30 MM - 3.10 MM
$233.95Qty in Cart: 0Quantity:Price:$233.95Subtotal: -
K&L SUPPLY Valve Shim - 2.95 - 9.50mm 13-6789
K&L SUPPLY
$15.00Valve clearance drift is inevitable on high-revving engines—and even slight deviations tank performance and invite catastrophic valve damage. K&L SUPPLY valve shims are precision-engineered to maintain exact clearance specifications, ensuring optimal...136789- SKU:
- 136789
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- VALVE
- UNITS:
- 5 PACK
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- STREET
- OUTSIDE DIAMETER METRIC:
- 9.50 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- WATERCRAFT
- VALVE SHIM THICKNESS METRIC:
- 2.95 MM
$15.00 -
K&L SUPPLY Shim Starter Kit - Yamaha - 7.5mm 13-7016
K&L SUPPLY
$227.95Valve shim adjustment is critical for maintaining proper valve clearance and engine performance on shim-adjusted Yamaha models. Without precise shim sizing, you risk valve float at high RPM, increased wear, and potential engine damage. This K&L SUPPLY...137016- SKU:
- 137016
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- RIDING STYLE:
- STREET
- OUTSIDE DIAMETER METRIC:
- 7.50 MM
- PRODUCT NAME:
- SHIM KIT
- VALVE SHIM THICKNESS METRIC:
- 1.50 MM - 1.95 MM
- TYPE:
- VALVE
- UNITS:
- KIT
$227.95Qty in Cart: 0Quantity:Price:$227.95Subtotal: -
K&L SUPPLY Shim Starter Kit - Kawasaki - 9.5mm 13-7017
K&L SUPPLY
$227.95Valve shim adjustment is critical for maintaining proper valve clearance and engine performance on shim-adjusted Kawasaki motorcycles. This K&L SUPPLY kit provides precision shims in the most common 9.5mm diameter, eliminating the need to source...137017- SKU:
- 137017
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- UNITS:
- KIT
- TYPE:
- VALVE
- RIDING STYLE:
- STREET
- OUTSIDE DIAMETER METRIC:
- 9.50 MM
- PRODUCT NAME:
- SHIM KIT
- VALVE SHIM THICKNESS METRIC:
- 2.30 MM - 2.75 MM
$227.95 -
K&L SUPPLY Valve Shim - 2.30/25mm - H/Y 13-7524
K&L SUPPLY
$28.20Valve clearance directly impacts engine efficiency, combustion quality, and component longevity—and shim-adjusted vehicles demand precision replacements. K&L Supply's 2.30mm valve shim ensures accurate valve lash settings without improvisation or...137524- SKU:
- 137524
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- WATERCRAFT
- OUTSIDE DIAMETER METRIC:
- 25.00 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- VALVE
- UNITS:
- 5 PACK
- RIDING STYLE:
- STREET
- VALVE SHIM THICKNESS METRIC:
- 2.30 MM
$28.20Qty in Cart: 0Quantity:Price:$28.20Subtotal: -
K&L SUPPLY Valve Shim - 2.75/25mm - H/Y 13-7625
K&L SUPPLY
$28.20Valve shim adjustment is critical for maintaining proper valve clearance and ensuring optimal engine performance. Using OEM-equivalent shims like the K&L SUPPLY 2.75/25mm ensures precise fitment and reliable operation across engine cycles. Quality shims...137625- SKU:
- 137625
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- VALVE
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- 5 PACK
- VALVE SHIM THICKNESS METRIC:
- 2.75 MM
- OUTSIDE DIAMETER METRIC:
- 25.00 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
$28.20Qty in Cart: 0Quantity:Price:$28.20Subtotal: -
K&L SUPPLY Valve Shim - 2.80/25mm - H/Y 13-7626
K&L SUPPLY
$28.20Valve train precision directly impacts engine performance, and worn or incorrect shims compromise both power delivery and longevity. The K&L SUPPLY 2.80/25mm valve shim ensures proper valve clearance adjustment on shim-adjusted motorcycles, maintaining...137626- SKU:
- 137626
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- OUTSIDE DIAMETER METRIC:
- 25.00 MM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- 5 PACK
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- VALVE
- VALVE SHIM THICKNESS METRIC:
- 2.80 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- STREET
$28.20Qty in Cart: 0Quantity:Price:$28.20Subtotal: -
K&L SUPPLY Valve Shim - 2.50/29.5mm - SZ 13-7667
K&L SUPPLY
$28.20Valve shim adjustment is critical for maintaining proper valve clearance and ensuring optimal engine performance across the RPM range. Using OEM-spec shims like this K&L SUPPLY unit guarantees precision tolerances that keep your valvetrain operating at...137667- SKU:
- 137667
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- OUTSIDE DIAMETER METRIC:
- 29.50 MM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- VALVE
- UNITS:
- 5 PACK
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- WATERCRAFT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- STREET
- VALVE SHIM THICKNESS METRIC:
- 2.50 MM
$28.20 -
K&L SUPPLY Valve Shim - 2.60/29.5mm - SZ 13-7669
K&L SUPPLY
$28.20Valve shim adjustment is critical for maintaining proper valve clearance and preventing costly engine damage from improper valvetrain geometry. This K&L SUPPLY shim delivers precision-engineered sizing to keep your shim-adjusted engine running at peak...137669- SKU:
- 137669
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- OUTSIDE DIAMETER METRIC:
- 29.50 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- VALVE
- VALVE SHIM THICKNESS METRIC:
- 2.60 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- 5 PACK
$28.20Qty in Cart: 0Quantity:Price:$28.20Subtotal: -
K&L SUPPLY Valve Shim - 2.65/29.5mm - SZ 13-7670
K&L SUPPLY
$28.20Valve shim adjustment is critical for maintaining proper valve clearance and preventing costly engine damage from improper valve timing. K&L SUPPLY's precision-engineered shims ensure accurate gap control in shim-adjusted vehicles, eliminating...137670- SKU:
- 137670
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- 5 PACK
- VALVE SHIM THICKNESS METRIC:
- 2.65 MM
- OUTSIDE DIAMETER METRIC:
- 29.50 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- VALVE
$28.20 -
K&L SUPPLY Valve Shim - 2.70/29.5mm - SZ 13-7671
K&L SUPPLY
$28.20Valve shims are critical for maintaining proper valve clearance in shim-adjusted engines—tolerances measured in thousandths of an inch directly impact combustion efficiency, valve life, and overall engine reliability. If your valves are out of spec,...137671- SKU:
- 137671
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- VALVE SHIM THICKNESS METRIC:
- 2.70 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- STREET
- OUTSIDE DIAMETER METRIC:
- 29.50 MM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- VALVE
- UNITS:
- 5 PACK
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- WATERCRAFT
$28.20Qty in Cart: 0Quantity:Price:$28.20Subtotal: -
K&L SUPPLY Valve Shim - 2.30/13mm - Kawasaki 13-7685
K&L SUPPLY
$28.20Valve shim adjustment is critical for maintaining proper valve clearance and preventing catastrophic engine damage on shim-adjusted Kawasaki models. This K&L SUPPLY shim ensures precise fitment and consistent performance across engine cycles. Whether...137685- SKU:
- 137685
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- ATV
- TYPE:
- VALVE
- RIDING STYLE:
- STREET
- RIDING STYLE:
- WATERCRAFT
- VALVE SHIM THICKNESS METRIC:
- 2.30 MM
- OUTSIDE DIAMETER METRIC:
- 13.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- UNITS:
- 5 PACK
$28.20 -
K&L SUPPLY Valve Shim - 2.40/13mm - Kawasaki 13-7687
K&L SUPPLY
$28.20Valve shim adjustment is critical for maintaining proper valve clearance and ensuring optimal engine performance in shim-adjusted Kawasaki models. Using OEM-spec shims like this K&L SUPPLY unit guarantees precision fit and durability under high-RPM...137687- SKU:
- 137687
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- OUTSIDE DIAMETER METRIC:
- 13.00 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- VALVE
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- 5 PACK
- VALVE SHIM THICKNESS METRIC:
- 2.40 MM
$28.20 -
K&L SUPPLY Valve Shim - 2.55/13mm - Kawasaki 13-7690
K&L SUPPLY
$28.20Valve shim clearance directly impacts engine performance, reliability, and longevity—especially in high-revving applications where precision is non-negotiable. This K&L Supply shim ensures your Kawasaki maintains correct valve-to-rocker clearance,...137690- SKU:
- 137690
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- ATV
- TYPE:
- VALVE
- VALVE SHIM THICKNESS METRIC:
- 2.55 MM
- RIDING STYLE:
- STREET
- RIDING STYLE:
- WATERCRAFT
- OUTSIDE DIAMETER METRIC:
- 13.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- UNITS:
- 5 PACK
$28.20 -
K&L SUPPLY Valve Shim - 2.60/13mm - Kawasaki 13-7691
K&L SUPPLY
$28.20Valve clearance directly impacts engine performance, fuel efficiency, and longevity—and improper shim sizing compounds wear on critical valve train components. The K&L SUPPLY 2.60/13mm valve shim is engineered for precision fitment on shim-adjusted...137691- SKU:
- 137691
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- OUTSIDE DIAMETER METRIC:
- 13.00 MM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- VALVE
- UNITS:
- 5 PACK
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- WATERCRAFT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- STREET
- VALVE SHIM THICKNESS METRIC:
- 2.60 MM
$28.20 -
K&L SUPPLY Valve Shim Kit - Kawasaki 13-7006
K&L SUPPLY
$233.95Precise valve clearance is critical to engine performance, reliability, and longevity. The K&L SUPPLY Valve Shim Kit gives you OEM-quality shims for accurate valve adjustment on shim-adjusted Kawasaki models, eliminating guesswork and ensuring optimal...KL137006- SKU:
- KL137006
- Availability:
- Ships Same Business Day
- Weight:
- 1.56 LBS
- PRODUCT NAME:
- SHIM KIT
- RIDING STYLE:
- STREET
- UNITS:
- 20 PIECE KIT
- OUTSIDE DIAMETER METRIC:
- 13.00 MM
- VALVE SHIM THICKNESS METRIC:
- 2.30 MM - 3.10 MM
- TYPE:
- VALVE
$233.95 -
KIBBLEWHITE Exhaust Valve 40-4192
KIBBLEWHITE
$37.55Exhaust valves endure extreme temperatures and constant mechanical stress—compromised valves lead to lost compression, poor sealing, and accelerated engine wear. The KIBBLEWHITE 40-4192 Black Diamond™ valve delivers the durability and precision your...09263244- SKU:
- 09263244
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- APPLICATION:
- EXHAUST
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- ATV
- STEM DIAMETER IMPERIAL:
- 5.50 MM
- UNITS:
- EACH
- LENGTH IMPERIAL:
- 3.430'
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- STREET
- HEAD DIAMETER METRIC:
- 24.50 MM
- TULIP ANGLE:
- 25°
$37.55 -
KIBBLEWHITE Valve Guide Seal - Viton 71014-16
KIBBLEWHITE
$50.25Valve guide seals are critical to preventing oil from seeping into your combustion chamber—a problem that causes excessive smoking, fouled plugs, and compromised performance. KIBBLEWHITE's Viton seals maintain a reliable barrier across intake and exhaust...09263257- SKU:
- 09263257
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- SEAL
- STEM DIAMETER METRIC:
- 4.50 MM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- WATERCRAFT
- MATERIAL:
- VITON
- RIDING STYLE:
- SNOW
- UNITS:
- 16 PACK
- APPLICATION:
- INTAKE
- OUTSIDE DIAMETER IMPERIAL:
- 0.370'
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- TYPE:
- VALVE GUIDE
$50.25 -
K&L SUPPLY Valve Shim - 3.00/25mm - H/Y 13-7630
K&L SUPPLY
$28.20Proper valve clearance is critical to engine performance and longevity—too tight and you risk valve float and burnt seats, too loose and you lose power and damage valvetrain components. The K&L SUPPLY Valve Shim delivers precise thickness control for...137630- SKU:
- 137630
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- OUTSIDE DIAMETER METRIC:
- 25.00 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- UNITS:
- 5 PACK
- VALVE SHIM THICKNESS METRIC:
- 3.00 MM
- RIDING STYLE:
- STREET
- RIDING STYLE:
- WATERCRAFT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- VALVE
$28.20Qty in Cart: 0Quantity:Price:$28.20Subtotal:
