Dirt Bike Engine Valves and Parts
Dirt Bike Engine Valves & Parts: Kibblewhite Black Diamond Exhaust Valves & Spring Kits at JJ Motorsports
Upgrade your dirt bike's valvetrain for maximum flow, heat resistance, and durability with premium valves and parts from JJ Motorsports, precision-engineered for superior performance in motocross, enduro, and trail riding. Our selection includes Black Diamond stainless steel exhaust valves, high-RPM spring kits, keepers, seals, and guides designed for increased lift, reduced wear, and reliable operation under extreme valve float conditions. Compatible with popular 4-stroke models like Honda CRF, Yamaha YZ/WR, KTM SX/EXC, and more, these Kibblewhite components feature one-piece forging, nitride coatings, and dual-spring technology to enhance airflow, prevent valve train failure, and support big-bore or high-compression builds. From exhaust valves with swirl-polished stems to titanium retainer spring kits for lightweight strength, rebuild your cylinder head for championship-level power, longevity, and confidence on every rev.
Shop trusted brands like Kibblewhite for race-proven quality. Explore related categories such as dirt bike piston and ring kits for full top-end rebuilds or dirt bike engine for camshafts and gaskets.
Top Dirt Bike Valve & Parts
- Kibblewhite Valve - Exhaust - Black Diamond 30-33616 – One-piece Black Diamond stainless steel exhaust valve with nitride coating, swirl-polished stem, and hard tip; designed for high-RPM durability and flow in 4-stroke engines.
- Kibblewhite Spring Kit 40-41600 – Dual-spring kit with titanium retainers, chromoly seats, and high-strength springs; supports increased lift and RPM while preventing valve float in performance builds.
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
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MOOSE RACING Valve Kit M30-32285
MOOSE RACING
$259.95Factory valve sets are engineered with a specific purpose: deliver consistent performance within OE tolerances. The MOOSE RACING M30-32285 Valve Kit replaces worn or damaged valves while maintaining...09262579- SKU:
- 09262579
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- MATERIAL:
- TITANIUM
- MODEL:
- PRO
- UNITS:
- KIT
- APPLICATION:
- EXHAUST
- MATERIAL:
- STAINLESS STEEL
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- VALVE KIT
- RIDING STYLE:
- OFF-ROAD
$259.95Qty in Cart: 0Quantity:Price:$259.95Subtotal: -
MOOSE RACING Valve Shim - 9.48 x 2.75 - 5 pack MSE5PK948275
MOOSE RACING
$9.95Valve shim maintenance is critical to engine longevity and performance—improper shimming leads to valve clearance issues, lost compression, and catastrophic engine damage. The MOOSE RACING 9.48 x 2...09261959- SKU:
- 09261959
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- RIDING STYLE:
- ATV
- TYPE:
- VALVE
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- VALVE SHIM THICKNESS METRIC:
- 2.75 MM
- MATERIAL:
- ROLLED
- MATERIAL:
- STEEL
- OUTSIDE DIAMETER METRIC:
- 9.48 MM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- UNITS:
- 5 PACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
$9.95 -
MOOSE RACING Valve Shim - 9.48 x 2.80 - 5 pack MSE5PK948280
MOOSE RACING
$9.95Precision valve train maintenance demands reliable, clearly-identified shims that won't let you down mid-rebuild. These MOOSE RACING shims eliminate guesswork with laser-etched sizing and forged 4140...09261960- SKU:
- 09261960
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- OUTSIDE DIAMETER METRIC:
- 9.48 MM
- RIDING STYLE:
- ATV
- TYPE:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- VALVE SHIM THICKNESS METRIC:
- 2.80 MM
- MATERIAL:
- ROLLED
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- SNOW
- UNITS:
- 5 PACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
$9.95 -
MOOSE RACING Valve Shim - 10.0 x 2.40 - 5 pack MSE5PK1000240
MOOSE RACING
$10.95Proper valve shim selection is critical for maintaining accurate valve clearances and preventing premature wear on your valve train. These MOOSE RACING shims are forged from 4140 cold-rolled...09261841- SKU:
- 09261841
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MATERIAL:
- ROLLED
- MATERIAL:
- STEEL
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- VALVE SHIM THICKNESS METRIC:
- 2.40 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- VALVE
$10.95Qty in Cart: 0Quantity:Price:$10.95Subtotal: -
MOOSE RACING Valve Shim - 10.0 x 2.50 - 5 pack MSE5PK1000250
MOOSE RACING
$10.95Maintaining precise valve clearances is critical to engine performance and longevity, and having quality shims on hand eliminates downtime during valve train service. MOOSE Racing valve shims are...09261843- SKU:
- 09261843
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- RIDING STYLE:
- ATV
- TYPE:
- VALVE
- MATERIAL:
- ROLLED
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- VALVE SHIM THICKNESS METRIC:
- 2.50 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- UNITS:
- 5 PACK
$10.95Qty in Cart: 0Quantity:Price:$10.95Subtotal: -
MOOSE RACING Valve Shim - 10.0 x 2.70 - 5 pack MSE5PK1000270
MOOSE RACING
$10.95Valve shim maintenance is critical for precise valve train geometry and consistent performance across rebuild cycles. These MOOSE RACING shims eliminate guesswork with laser-etched sizing, allowing...09261847- SKU:
- 09261847
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- MATERIAL:
- ROLLED
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- VALVE SHIM THICKNESS METRIC:
- 2.70 MM
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- VALVE
- UNITS:
- 5 PACK
$10.95Qty in Cart: 0Quantity:Price:$10.95Subtotal: -
MOOSE RACING Valve Shim - 7.48 x 1.65 - 5 pack MSE5PK748165
MOOSE RACING
$9.95Precision valve shim sets are essential for maintaining proper valve clearance and preventing costly valve train damage during high-performance operation. These MOOSE RACING shims eliminate guesswork...09261867- SKU:
- 09261867
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- MATERIAL:
- ROLLED
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- OUTSIDE DIAMETER METRIC:
- 7.48 MM
- RIDING STYLE:
- ATV
- VALVE SHIM THICKNESS METRIC:
- 1.65 MM
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- VALVE
$9.95 -
MOOSE RACING Valve Shim - 8.90 x 2.16 - 5 pack MSE5PK890216
MOOSE RACING
$10.95Proper valve shim selection is critical for maintaining correct valve clearance and preventing costly engine damage. These forged 4140 steel shims are engineered for precision and durability, making...09261916- SKU:
- 09261916
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- MATERIAL:
- ROLLED
- MATERIAL:
- STEEL
- OUTSIDE DIAMETER METRIC:
- 8.90 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- VALVE
- VALVE SHIM THICKNESS METRIC:
- 2.16 MM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- ATV
$10.95Qty in Cart: 0Quantity:Price:$10.95Subtotal: -
On Sale
VESRAH Intake Valve GG-2013-IN
VESRAH
MSRP: $12.83Now: $12.19Was: $12.83Maintaining OEM-equivalent valve performance is critical for engine reliability and consistent combustion efficiency. The VESRAH Intake Valve GG-2013-IN is precision-manufactured to match factory...GG2013IN- SKU:
- GG2013IN
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- LENGTH METRIC:
- 93.80 MM
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- STEM DIAMETER METRIC:
- 6.00 MM
- HEAD DIAMETER:
- 34,00 MM
- HEAD DIAMETER METRIC:
- 34.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
MSRP: $12.83Now: $12.19Was: $12.83 -
On Sale
VESRAH Intake Valve GG-1040-IN
VESRAH
MSRP: $27.00Now: $25.65Was: $27.00A worn or damaged intake valve compromises combustion efficiency, throttle response, and fuel economy—potentially leading to costly engine damage if left unchecked. The VESRAH Intake Valve GG-1040-IN...09262806- SKU:
- 09262806
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- HEAD DIAMETER METRIC:
- 28.50 MM
- LENGTH METRIC:
- 96.60 MM
- PRODUCT NAME:
- VALVE
- STEM DIAMETER METRIC:
- 5.50 MM
- APPLICATION:
- INTAKE
- HEAD DIAMETER:
- 28,50 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- 2 PIECE
MSRP: $27.00Now: $25.65Was: $27.00 -
MOOSE RACING Intake Valve Kit M96-96450
MOOSE RACING
$217.95If you're running high-revving applications or pushing extended engine hours, OEM titanium intake valves will eventually become a reliability bottleneck. The MOOSE RACING Intake Valve Kit M96-96450...09262467- SKU:
- 09262467
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- APPLICATION:
- INTAKE
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$217.95Qty in Cart: 0Quantity:Price:$217.95Subtotal: -
MOOSE RACING Valve and Spring Kit M30-32450
MOOSE RACING
$115.95If you're running high-mileage on your engine or pushing performance limits, OEM titanium valves won't cut it anymore. The MOOSE RACING Valve and Spring Kit M30-32450 replaces them with stainless...09262933- SKU:
- 09262933
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- APPLICATION:
- EXHAUST
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE KIT
$115.95Qty in Cart: 0Quantity:Price:$115.95Subtotal: -
MOOSE RACING Valve Shim Kit - 9.48 mm MSEHCSHIM02
MOOSE RACING
$127.95Proper valve shim selection is critical for maintaining correct valve clearance and preventing costly engine damage. This complete kit eliminates guesswork during valve train maintenance, ensuring...09261828- SKU:
- 09261828
- Availability:
- Ships Same Business Day
- Weight:
- 1.27 LBS
- MATERIAL:
- ROLLED
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- VALVE
- OUTSIDE DIAMETER METRIC:
- 9.48 MM
- PRODUCT NAME:
- SHIM KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- ATV
- UNITS:
- KIT
$127.95 -
MOOSE RACING Valve Shim Kit - 10.00 mm MSEHCSHIM31
MOOSE RACING
$109.95Precision valve train maintenance demands reliable, properly-sized shims that you can trust in critical adjustments. The MOOSE RACING Valve Shim Kit eliminates guesswork with laser-etched sizing and...09261829- SKU:
- 09261829
- Availability:
- Ships Same Business Day
- Weight:
- 0.66 LBS
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- RIDING STYLE:
- ATV
- TYPE:
- VALVE
- MATERIAL:
- ROLLED
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SHIM KIT
- RIDING STYLE:
- SNOW
$109.95 -
MOOSE RACING Valve Shim - 9.48 x 1.95 - 5 pack MSE5PK948195
MOOSE RACING
$9.95Maintaining proper valve clearance is critical to engine performance and longevity—even a few thousandths of an inch off tolerance can cause valve float, poor sealing, and accelerated wear. These...09261943- SKU:
- 09261943
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- 5 PACK
- MATERIAL:
- ROLLED
- RIDING STYLE:
- ATV
- RIDING STYLE:
- UTV
- TYPE:
- VALVE
- VALVE SHIM THICKNESS METRIC:
- 1.95 MM
- MATERIAL:
- STEEL
- OUTSIDE DIAMETER METRIC:
- 9.48 MM
- RIDING STYLE:
- OFF-ROAD
$9.95 -
MOOSE RACING Valve Shim - 8.90 x 2.28 - 5 pack MSE5PK890228
MOOSE RACING
$10.95Maintaining proper valve clearance is critical to engine performance, reliability, and longevity—and having the right shims on hand means you're never caught without the correct spec during a rebuild...09261919- SKU:
- 09261919
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- OUTSIDE DIAMETER METRIC:
- 8.90 MM
- RIDING STYLE:
- ATV
- TYPE:
- VALVE
- VALVE SHIM THICKNESS METRIC:
- 2.28 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- 5 PACK
- MATERIAL:
- ROLLED
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
$10.95Qty in Cart: 0Quantity:Price:$10.95Subtotal: -
MOOSE RACING Valve Shim - 8.90 x 2.48 - 5 pack MSE5PK890248
MOOSE RACING
$10.95Valve shim maintenance separates meticulous engine builders from the rest. These forged 4140 steel shims enable precise valve clearance adjustments without guesswork, ensuring optimal valve train...09261924- SKU:
- 09261924
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- VALVE SHIM THICKNESS METRIC:
- 2.48 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- MATERIAL:
- ROLLED
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- OUTSIDE DIAMETER METRIC:
- 8.90 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- VALVE
- UNITS:
- 5 PACK
$10.95Qty in Cart: 0Quantity:Price:$10.95Subtotal: -
MOOSE RACING Valve Shim - 7.48 x 2.55 - 5 pack MSE5PK748255
MOOSE RACING
$9.95Proper valve clearance is critical to engine performance and longevity—even small deviations can cause valve float, reduced compression, and increased wear on your valve train. These MOOSE RACING...09261885- SKU:
- 09261885
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- ROLLED
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- OUTSIDE DIAMETER METRIC:
- 7.48 MM
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- VALVE
- VALVE SHIM THICKNESS METRIC:
- 2.55 MM
$9.95Qty in Cart: 0Quantity:Price:$9.95Subtotal: -
MOOSE RACING Intake Valve Kit M30-32440
MOOSE RACING
$115.95OEM intake valves wear faster than they should, robbing you of horsepower and reliability during critical race moments. The MOOSE RACING Stainless Steel Intake Valve Kit replaces those weak points...09262932- SKU:
- 09262932
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- PRODUCT NAME:
- VALVE KIT
- APPLICATION:
- INTAKE
- MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$115.95Qty in Cart: 0Quantity:Price:$115.95Subtotal: -
MOOSE RACING Valve Shim - 9.48 x 3.25 - 5 pack MSE5PK948325
MOOSE RACING
$9.95Proper valve clearance is critical to engine performance and longevity, and maintaining it requires reliable, accurately sized shims. The MOOSE RACING Valve Shim 5-pack eliminates guesswork during...09261969- SKU:
- 09261969
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- RIDING STYLE:
- ATV
- TYPE:
- VALVE
- VALVE SHIM THICKNESS METRIC:
- 3.25 MM
- MATERIAL:
- ROLLED
- 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:
- STREET
$9.95Qty in Cart: 0Quantity:Price:$9.95Subtotal:
