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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VESRAH Exhaust Valve GG-1013-EX
VESRAH
$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 conditions. The VESRAH GG-1013-EX is precision-engineered to...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
$23.33 -
VESRAH Exhaust Valve GG-1014-EX
VESRAH
$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 OEM-equivalent performance with the precision...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
$23.50 -
VESRAH Intake Valve GG-1013-IN
VESRAH
$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 GG-1013-IN is precision-manufactured to OEM specifications,...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
$14.67 -
MOOSE RACING Valve Shim - 7.48 x 2.30 - 5 pack MSE5PK748230
MOOSE RACING
$9.95Precision 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 with laser-etched sizing on each piece, letting you...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
$9.95 -
MOOSE RACING Valve Shim - 7.48 x 2.80 - 5 pack MSE5PK748280
MOOSE RACING
$9.95Proper 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 shims give you precise, reliable valve train adjustment...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
$9.95 -
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 kit replaces worn or damaged valves with Black Diamond...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 M80-80960 replaces those components with stainless steel Black...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 -
VESRAH Exhaust Valve GG-2007-EX
VESRAH
$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 durability, ensuring your engine breathes properly 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
$32.83 -
VESRAH Exhaust Valve GG-2013-EX
VESRAH
$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 specifications, ensuring consistent sealing and durability...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
$25.17 -
VESRAH Exhaust Valve GG-3014-EX
VESRAH
$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 Exhaust Valve GG-3014-EX is precision-manufactured to...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
$26.50 -
VESRAH Intake Valve GG-3014-IN
VESRAH
$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 delivers OEM-equivalent precision and durability without...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
$17.00Qty in Cart: 0Quantity:Price:$17.00Subtotal: -
VESRAH Exhaust Valve GG-4011-EX
VESRAH
$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 precision-engineered to OEM specifications, ensuring...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
$28.17 -
VESRAH Exhaust Valve GG-1040-EX
VESRAH
$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 a fraction of replacement costs, restoring your...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
$42.67Qty in Cart: 0Quantity:Price:$42.67Subtotal: -
VESRAH Intake Valve GG-1041-IN
VESRAH
$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 VESRAH Intake Valve GG-1041-IN restores OEM-spec...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
$23.33 -
VESRAH Exhaust Valve GG-1041-EX
VESRAH
$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, ensuring reliable sealing and consistent performance across...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
$41.33 -
VESRAH Intake Valve GG-1030-IN
VESRAH
$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 specifications, ensuring reliable sealing and consistent...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
$26.50 -
VESRAH Exhaust Valve GG-1030-EX
VESRAH
$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 to restore OEM-spec performance, ensuring proper...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
$47.83 -
VESRAH Intake Valve GG-1046-IN
VESRAH
$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 construction that matches factory specifications, ensuring...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
$37.57Qty in Cart: 0Quantity:Price:$37.57Subtotal: -
VESRAH Intake Valve GG-3044-IN
VESRAH
$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 efficiency. The VESRAH Intake Valve GG-3044-IN is...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
$33.00 -
VESRAH Exhaust Valve GG-3044-EX
VESRAH
$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 that restores OEM performance specifications without...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
$47.00
