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!
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- Qty in Cart
- Quantity
- Price
- Subtotal
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On Sale
VESRAH Exhaust Valve GG-1013-EX
VESRAH
MSRP: $23.33Now: $22.16Was: $23.33Exhaust valve performance directly impacts your engine's ability to expel combustion gases efficiently, which is critical for maintaining horsepower and thermal stability under sustained racing...09262805- SKU:
- 09262805
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- HEAD DIAMETER:
- 23,50 MM
- HEAD DIAMETER METRIC:
- 23.50 MM
- RIDING STYLE:
- OFF-ROAD
- STEM DIAMETER METRIC:
- 5.50 MM
- RIDING STYLE:
- STREET
- APPLICATION:
- EXHAUST
- LENGTH METRIC:
- 67.60 MM
- PRODUCT NAME:
- VALVE
- UNITS:
- EACH
MSRP: $23.33Now: $22.16Was: $23.33 -
On Sale
VESRAH Exhaust Valve GG-1014-EX
VESRAH
MSRP: $23.50Now: $22.33Was: $23.50A precision exhaust valve is critical to your engine's breathing efficiency—poor valve sealing directly impacts horsepower, fuel economy, and combustion reliability. The VESRAH GG-1014-EX delivers...GG1014EX- SKU:
- GG1014EX
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- OFF-ROAD
- STEM DIAMETER METRIC:
- 5.50 MM
- APPLICATION:
- EXHAUST
- HEAD DIAMETER:
- 25,00 MM
- PRODUCT NAME:
- VALVE
- HEAD DIAMETER METRIC:
- 25.00 MM
- LENGTH METRIC:
- 91.50 MM
- UNITS:
- EACH
- RIDING STYLE:
- STREET
MSRP: $23.50Now: $22.33Was: $23.50 -
On Sale
VESRAH Intake Valve GG-1013-IN
VESRAH
MSRP: $14.67Now: $13.94Was: $14.67Valve degradation is one of the most insidious causes of power loss and combustion inefficiency—and a worn intake valve can compromise your entire engine's performance. The VESRAH Intake Valve...09262804- SKU:
- 09262804
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- APPLICATION:
- INTAKE
- RIDING STYLE:
- OFF-ROAD
- STEM DIAMETER METRIC:
- 5.50 MM
- RIDING STYLE:
- STREET
- HEAD DIAMETER:
- 28,50 MM
- UNITS:
- EACH
- HEAD DIAMETER METRIC:
- 28.50 MM
- LENGTH METRIC:
- 68.00 MM
- PRODUCT NAME:
- VALVE
MSRP: $14.67Now: $13.94Was: $14.67Qty in Cart: 0Quantity:Price:MSRP: $14.67Now: $13.94Was: $14.67Subtotal: -
MOOSE RACING Valve Shim - 7.48 x 2.30 - 5 pack MSE5PK748230
MOOSE RACING
$10.95Precision valve train maintenance demands reliable, accurately-sized shims you can identify instantly—especially when you're deep in tuning or rebuilding. These MOOSE RACING shims eliminate guesswork...09261880- SKU:
- 09261880
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- OUTSIDE DIAMETER METRIC:
- 7.48 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- 5 PACK
- RIDING STYLE:
- ATV
- TYPE:
- VALVE
- VALVE SHIM THICKNESS METRIC:
- 2.30 MM
- MATERIAL:
- ROLLED
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
$10.95 -
MOOSE RACING Valve Shim - 7.48 x 2.80 - 5 pack MSE5PK748280
MOOSE RACING
$10.95Proper valve clearance is critical to engine performance and longevity—incorrect shim selection leads to valve float, compression loss, and potential catastrophic engine damage. MOOSE Racing valve...09261890- SKU:
- 09261890
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- OUTSIDE DIAMETER METRIC:
- 7.48 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- 5 PACK
- RIDING STYLE:
- ATV
- TYPE:
- VALVE
- VALVE SHIM THICKNESS METRIC:
- 2.80 MM
- MATERIAL:
- ROLLED
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
$10.95 -
MOOSE RACING Intake Valve Kit M80-80850
MOOSE RACING
$307.95Factory titanium intake valves wear rapidly under sustained high-RPM operation, compromising flow efficiency and forcing expensive head rebuilds. The MOOSE RACING M80-80850 stainless steel conversion...09262457- SKU:
- 09262457
- Availability:
- Ships Same Business Day
- Weight:
- 0.41 LBS
- PRODUCT NAME:
- VALVE KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MATERIAL:
- STAINLESS STEEL
- APPLICATION:
- INTAKE
$307.95 -
MOOSE RACING Valve and Spring Kit M80-80960
MOOSE RACING
$217.95If you're running high-mileage or high-stress applications, OEM titanium valves can become a limiting factor in both longevity and flow characteristics. The MOOSE RACING Valve and Spring Kit...09262460- SKU:
- 09262460
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- VALVE AND SPRING KIT
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- EXHAUST
- MATERIAL:
- STAINLESS STEEL
- UNITS:
- KIT
$217.95 -
On Sale
VESRAH Exhaust Valve GG-2007-EX
VESRAH
MSRP: $32.83Now: $31.19Was: $32.83A worn or damaged exhaust valve directly compromises engine efficiency, combustion timing, and overall performance. The VESRAH GG-2007-EX is precision-engineered to restore OEM-level sealing and...GG2007EX- SKU:
- GG2007EX
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- HEAD DIAMETER METRIC:
- 39.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- LENGTH METRIC:
- 101.20 MM
- RIDING STYLE:
- STREET
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- VALVE
- HEAD DIAMETER:
- 39,00 MM
- RIDING STYLE:
- OFF-ROAD
- STEM DIAMETER METRIC:
- 8.00 MM
MSRP: $32.83Now: $31.19Was: $32.83 -
On Sale
VESRAH Exhaust Valve GG-2013-EX
VESRAH
MSRP: $25.17Now: $23.91Was: $25.17Exhaust valves are critical components that directly impact combustion efficiency, thermal management, and overall engine reliability. The VESRAH GG-2013-EX is precision-manufactured to match OEM...GG2013EX- SKU:
- GG2013EX
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- HEAD DIAMETER:
- 28,50 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- LENGTH METRIC:
- 92.50 MM
- RIDING STYLE:
- STREET
- STEM DIAMETER METRIC:
- 6.00 MM
- APPLICATION:
- EXHAUST
- HEAD DIAMETER METRIC:
- 28.50 MM
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
MSRP: $25.17Now: $23.91Was: $25.17 -
On Sale
VESRAH Exhaust Valve GG-3014-EX
VESRAH
MSRP: $26.50Now: $25.18Was: $26.50Exhaust valves are critical to engine reliability and performance—worn or damaged valves compromise combustion efficiency, increase emissions, and can lead to catastrophic engine failure. The VESRAH...GG3014EX- SKU:
- GG3014EX
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- LENGTH METRIC:
- 89.30 MM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- HEAD DIAMETER METRIC:
- 26.00 MM
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- EXHAUST
- HEAD DIAMETER:
- 26,00 MM
- STEM DIAMETER METRIC:
- 5.50 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
MSRP: $26.50Now: $25.18Was: $26.50 -
On Sale
VESRAH Intake Valve GG-3014-IN
VESRAH
MSRP: $17.00Now: $16.15Was: $17.00Your engine's intake valves are critical to combustion efficiency and overall performance—worn or damaged valves directly compromise horsepower and fuel economy. The VESRAH Intake Valve GG-3014-IN...GG3014IN- SKU:
- GG3014IN
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- STEM DIAMETER METRIC:
- 5.50 MM
- APPLICATION:
- INTAKE
- HEAD DIAMETER:
- 30,00 MM
- HEAD DIAMETER METRIC:
- 30.00 MM
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- LENGTH METRIC:
- 90.30 MM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
MSRP: $17.00Now: $16.15Was: $17.00Qty in Cart: 0Quantity:Price:MSRP: $17.00Now: $16.15Was: $17.00Subtotal: -
On Sale
VESRAH Exhaust Valve GG-4011-EX
VESRAH
MSRP: $28.17Now: $26.76Was: $28.17A worn or damaged exhaust valve directly compromises engine efficiency, throttle response, and fuel economy—making replacement essential for maintaining peak performance. The VESRAH GG-4011-EX is...GG4011EX- SKU:
- GG4011EX
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- HEAD DIAMETER:
- 31,00 MM
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- LENGTH METRIC:
- 99.00 MM
- PRODUCT NAME:
- VALVE
- STEM DIAMETER METRIC:
- 7.00 MM
- HEAD DIAMETER METRIC:
- 31.00 MM
MSRP: $28.17Now: $26.76Was: $28.17 -
On Sale
VESRAH Exhaust Valve GG-1040-EX
VESRAH
MSRP: $42.67Now: $40.54Was: $42.67A worn or damaged exhaust valve can compromise combustion efficiency, increase emissions, and reduce engine responsiveness. The VESRAH Exhaust Valve GG-1040-EX delivers OEM-equivalent performance at...09262807- SKU:
- 09262807
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- APPLICATION:
- EXHAUST
- LENGTH METRIC:
- 96.00 MM
- HEAD DIAMETER METRIC:
- 23.50 MM
- HEAD DIAMETER:
- 23,50 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- 2 PIECE
- PRODUCT NAME:
- VALVE
- STEM DIAMETER METRIC:
- 5.50 MM
MSRP: $42.67Now: $40.54Was: $42.67 -
On Sale
VESRAH Intake Valve GG-1041-IN
VESRAH
MSRP: $23.33Now: $22.16Was: $23.33A worn or damaged intake valve directly compromises combustion efficiency, reducing horsepower and increasing fuel consumption—a problem that compounds quickly in high-performance applications. The...09260050- SKU:
- 09260050
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- APPLICATION:
- INTAKE
- HEAD DIAMETER:
- 28,50 MM
- UNITS:
- EACH
- HEAD DIAMETER METRIC:
- 28.50 MM
- LENGTH METRIC:
- 96.60 MM
- PRODUCT NAME:
- VALVE
- STEM DIAMETER METRIC:
- 5.00 MM
- RIDING STYLE:
- OFF-ROAD
MSRP: $23.33Now: $22.16Was: $23.33 -
On Sale
VESRAH Exhaust Valve GG-1041-EX
VESRAH
MSRP: $41.33Now: $39.26Was: $41.33A worn or damaged exhaust valve compromises combustion efficiency, increases emissions, and reduces engine responsiveness. The VESRAH GG-1041-EX is precision-engineered to OEM specifications,...09260051- SKU:
- 09260051
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- HEAD DIAMETER:
- 23,50 MM
- RIDING STYLE:
- OFF-ROAD
- HEAD DIAMETER METRIC:
- 23.50 MM
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- LENGTH METRIC:
- 95.60 MM
- PRODUCT NAME:
- VALVE
- STEM DIAMETER METRIC:
- 5.00 MM
MSRP: $41.33Now: $39.26Was: $41.33 -
On Sale
VESRAH Intake Valve GG-1030-IN
VESRAH
MSRP: $26.50Now: $25.18Was: $26.50A worn or damaged intake valve compromises combustion efficiency, throttle response, and fuel economy—degrading performance across the board. The VESRAH GG-1030-IN is precision-manufactured to OEM...09260052- SKU:
- 09260052
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- APPLICATION:
- INTAKE
- RIDING STYLE:
- ATV
- STEM DIAMETER METRIC:
- 5.50 MM
- UNITS:
- EACH
- PRODUCT NAME:
- VALVE
- HEAD DIAMETER METRIC:
- 33.00 MM
- HEAD DIAMETER:
- 33,00 MM
- LENGTH METRIC:
- 102.70 MM
MSRP: $26.50Now: $25.18Was: $26.50 -
On Sale
VESRAH Exhaust Valve GG-1030-EX
VESRAH
MSRP: $47.83Now: $45.44Was: $47.83A worn or damaged exhaust valve compromises combustion efficiency, reduces power output, and can lead to catastrophic engine failure if left unaddressed. The VESRAH GG-1030-EX is precision-engineered...09260053- SKU:
- 09260053
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- ATV
- STEM DIAMETER METRIC:
- 5.50 MM
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- HEAD DIAMETER METRIC:
- 29.00 MM
- LENGTH METRIC:
- 101.20 MM
- HEAD DIAMETER:
- 29,00 MM
MSRP: $47.83Now: $45.44Was: $47.83 -
On Sale
VESRAH Intake Valve GG-1046-IN
VESRAH
MSRP: $37.57Now: $35.69Was: $37.57If your engine is showing signs of wear or you're rebuilding for peak performance, OEM-quality intake valves are non-negotiable. The VESRAH Intake Valve GG-1046-IN delivers precision-manufactured...09260056- SKU:
- 09260056
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- LENGTH METRIC:
- 102.30 MM
- RIDING STYLE:
- OFF-ROAD
- STEM DIAMETER METRIC:
- 6.60 MM
- APPLICATION:
- INTAKE
- HEAD DIAMETER METRIC:
- 37.00 MM
- UNITS:
- EACH
- HEAD DIAMETER:
- 37,00 MM
- PRODUCT NAME:
- VALVE
MSRP: $37.57Now: $35.69Was: $37.57Qty in Cart: 0Quantity:Price:MSRP: $37.57Now: $35.69Was: $37.57Subtotal: -
On Sale
VESRAH Intake Valve GG-3044-IN
VESRAH
MSRP: $33.00Now: $31.35Was: $33.00A properly functioning intake valve is critical to engine performance and longevity. Over time, factory valves wear, warp, or develop carbon buildup that restricts airflow and reduces combustion...09260062- SKU:
- 09260062
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- HEAD DIAMETER METRIC:
- 36.00 MM
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- STEM DIAMETER METRIC:
- 5.00 MM
- APPLICATION:
- INTAKE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- HEAD DIAMETER:
- 36,00 MM
- LENGTH METRIC:
- 82.47 MM
MSRP: $33.00Now: $31.35Was: $33.00 -
On Sale
VESRAH Exhaust Valve GG-3044-EX
VESRAH
MSRP: $47.00Now: $44.65Was: $47.00A worn or damaged exhaust valve can compromise your engine's scavenging efficiency and power output—especially under high RPM conditions. The VESRAH GG-3044-EX is a precision-manufactured replacement...09260063- SKU:
- 09260063
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- HEAD DIAMETER:
- 29,00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- APPLICATION:
- EXHAUST
- LENGTH METRIC:
- 81.32 MM
- PRODUCT NAME:
- VALVE
- STEM DIAMETER METRIC:
- 5.00 MM
- HEAD DIAMETER METRIC:
- 29.00 MM
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
MSRP: $47.00Now: $44.65Was: $47.00
