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 Intake Valve GG-4011-IN
VESRAH
$26.99Vesrah valves are precision manufactured from top-quality materials to match OEM valvesGG4011IN- SKU:
- GG4011IN
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- PRODUCT NAME:
- VALVE
- STEM DIAMETER METRIC:
- 7.00 MM
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- INTAKE
- HEAD DIAMETER METRIC:
- 37.00 MM
- LENGTH METRIC:
- 100.70 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- HEAD DIAMETER:
- 37,00 MM
$26.99 -
VESRAH Exhaust Valve GG-4018-EX
VESRAH
$37.55Vesrah valves are precision manufactured from top-quality materials to match OEM valvesGG4018EX- SKU:
- GG4018EX
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- EXHAUST
- HEAD DIAMETER:
- 24,70 MM
- LENGTH METRIC:
- 87.16 MM
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- STEM DIAMETER METRIC:
- 5.50 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- HEAD DIAMETER METRIC:
- 24.70 MM
- RIDING STYLE:
- STREET
$37.55 -
VESRAH Intake Valve GG-4018-IN
VESRAH
$23.47Vesrah valves are precision manufactured from top-quality materials to match OEM valvesGG4018IN- SKU:
- GG4018IN
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- APPLICATION:
- INTAKE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- HEAD DIAMETER METRIC:
- 29.00 MM
- RIDING STYLE:
- OFF-ROAD
- HEAD DIAMETER:
- 29,00 MM
- LENGTH METRIC:
- 89.09 MM
- PRODUCT NAME:
- VALVE
- STEM DIAMETER METRIC:
- 5.50 MM
- RIDING STYLE:
- STREET
$23.47 -
VESRAH Intake Valve GG-1023-IN
VESRAH
$24.61Vesrah valves are precision manufactured from top-quality materials to match OEM valves09260398- SKU:
- 09260398
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- INTAKE
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- PRODUCT NAME:
- VALVE
- STEM DIAMETER METRIC:
- 5.00 MM
- HEAD DIAMETER:
- 23,00 MM
- HEAD DIAMETER METRIC:
- 23.00 MM
- LENGTH METRIC:
- 65.80 MM
- RIDING STYLE:
- OFF-ROAD
$24.61 -
VESRAH Exhaust Valve GG-1023-EX
VESRAH
$32.80Vesrah valves are precision manufactured from top-quality materials to match OEM valves09260049- SKU:
- 09260049
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- APPLICATION:
- EXHAUST
- HEAD DIAMETER:
- 20,00 MM
- LENGTH METRIC:
- 65.40 MM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- PRODUCT NAME:
- VALVE
- STEM DIAMETER METRIC:
- 5.00 MM
- HEAD DIAMETER METRIC:
- 20.00 MM
- RIDING STYLE:
- OFF-ROAD
$32.80 -
MOOSE RACING Valve and Spring Kit M40-41160
MOOSE RACING
$196.95Stainless steel conversion kits include only what’s needed to convert your head to the long-life stainless steel Black Diamond intake valves, Extend the life of the valve train and intake components by as much as 4x over the OEM titanium parts, Valves...09262445- SKU:
- 09262445
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- APPLICATION:
- EXHAUST
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- VALVE AND SPRING KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MATERIAL:
- STAINLESS STEEL
$196.95 -
MOOSE RACING Intake Valve Kit M60-60460
MOOSE RACING
$196.95Stainless steel conversion kits include only what’s needed to convert your head to the long-life stainless steel Black Diamond intake valves, Extend the life of the valve train and intake components by as much as 4x over the OEM titanium parts, Valves...09262448- SKU:
- 09262448
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- APPLICATION:
- INTAKE
$196.95 -
MOOSE RACING Intake Valve Kit M60-60470
MOOSE RACING
$217.95Stainless steel conversion kits include only what’s needed to convert your head to the long-life stainless steel Black Diamond intake valves, Extend the life of the valve train and intake components by as much as 4x over the OEM titanium parts, Valves...09262449- SKU:
- 09262449
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- MATERIAL:
- STAINLESS STEEL
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- VALVE KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$217.95 -
MOOSE RACING Valve and Spring Kit M60-61160
MOOSE RACING
$196.95Stainless steel conversion kits include only what’s needed to convert your head to the long-life stainless steel Black Diamond intake valves, Extend the life of the valve train and intake components by as much as 4x over the OEM titanium parts, Valves...09262454- SKU:
- 09262454
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- APPLICATION:
- EXHAUST
- MATERIAL:
- STAINLESS STEEL
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- VALVE AND SPRING KIT
$196.95 -
MOOSE RACING Valve and Spring Kit M60-61260
MOOSE RACING
$196.95Stainless steel conversion kits include only what’s needed to convert your head to the long-life stainless steel Black Diamond intake valves, Extend the life of the valve train and intake components by as much as 4x over the OEM titanium parts, Valves...09262455- SKU:
- 09262455
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- UNITS:
- KIT
- APPLICATION:
- EXHAUST
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE AND SPRING KIT
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- INTAKE
$196.95 -
MOOSE RACING Valve Kit M30-32270
MOOSE RACING
$274.95Kitted sets of intake and exhaust valves designed to match the OE material specifications for drop-in compatibility (no need to reconfigure spring pack from OE specs), Valves are constructed of Tensilite Titanium and Black Diamond Stainless Steel...09262576- SKU:
- 09262576
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- MATERIAL:
- TITANIUM
- APPLICATION:
- INTAKE
- MODEL:
- PRO
- PRODUCT NAME:
- VALVE KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- APPLICATION:
- EXHAUST
- MATERIAL:
- STAINLESS STEEL
$274.95 -
MOOSE RACING Valve Shim - 9.48 x 1.45 - 5 pack MSE5PK948145
MOOSE RACING
$9.95Complete valve shim kits make it easier to maintain your valve train, Forged from 4140 cold rolled steel, not sintered, Laser-etched size on each shim for identification, A great addition to any mechanic's tool box, Refills sold to dealers in 5-packs;...09261933- SKU:
- 09261933
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- ROLLED
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- VALVE SHIM THICKNESS METRIC:
- 1.45 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- VALVE
- UNITS:
- 5 PACK
- OUTSIDE DIAMETER METRIC:
- 9.48 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
$9.95 -
MOOSE RACING Valve Shim - 9.48 x 1.50 - 5 pack MSE5PK948150
MOOSE RACING
$9.95Complete valve shim kits make it easier to maintain your valve train, Forged from 4140 cold rolled steel, not sintered, Laser-etched size on each shim for identification, A great addition to any mechanic's tool box, Refills sold to dealers in 5-packs;...09261934- SKU:
- 09261934
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- ROLLED
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- ATV
- OUTSIDE DIAMETER METRIC:
- 9.48 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- VALVE SHIM THICKNESS METRIC:
- 1.50 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- VALVE
$9.95 -
MOOSE RACING Valve Shim - 9.48 x 1.55 - 5 pack MSE5PK948155
MOOSE RACING
$9.95Complete valve shim kits make it easier to maintain your valve train, Forged from 4140 cold rolled steel, not sintered, Laser-etched size on each shim for identification, A great addition to any mechanic's tool box, Refills sold to dealers in 5-packs;...09261935- SKU:
- 09261935
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- MATERIAL:
- ROLLED
- MATERIAL:
- STEEL
- OUTSIDE DIAMETER METRIC:
- 9.48 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- ATV
- TYPE:
- VALVE
- VALVE SHIM THICKNESS METRIC:
- 1.55 MM
- RIDING STYLE:
- SNOW
- UNITS:
- 5 PACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
$9.95 -
MOOSE RACING Valve Shim - 9.48 x 1.70 - 5 pack MSE5PK948170
MOOSE RACING
$9.95Complete valve shim kits make it easier to maintain your valve train, Forged from 4140 cold rolled steel, not sintered, Laser-etched size on each shim for identification, A great addition to any mechanic's tool box, Refills sold to dealers in 5-packs;...09261938- SKU:
- 09261938
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- RIDING STYLE:
- ATV
- TYPE:
- VALVE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- VALVE SHIM THICKNESS METRIC:
- 1.70 MM
- MATERIAL:
- ROLLED
- MATERIAL:
- STEEL
- OUTSIDE DIAMETER METRIC:
- 9.48 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- UNITS:
- 5 PACK
$9.95 -
MOOSE RACING Valve Shim - 9.48 x 1.75 - 5 pack MSE5PK948175
MOOSE RACING
$9.95Complete valve shim kits make it easier to maintain your valve train, Forged from 4140 cold rolled steel, not sintered, Laser-etched size on each shim for identification, A great addition to any mechanic's tool box, Refills sold to dealers in 5-packs;...09261939- SKU:
- 09261939
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- OUTSIDE DIAMETER METRIC:
- 9.48 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- MATERIAL:
- ROLLED
- MATERIAL:
- STEEL
- VALVE SHIM THICKNESS METRIC:
- 1.75 MM
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- VALVE
$9.95 -
MOOSE RACING Valve Shim - 9.48 x 1.80 - 5 pack MSE5PK948180
MOOSE RACING
$9.95Complete valve shim kits make it easier to maintain your valve train, Forged from 4140 cold rolled steel, not sintered, Laser-etched size on each shim for identification, A great addition to any mechanic's tool box, Refills sold to dealers in 5-packs;...09261940- SKU:
- 09261940
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- RIDING STYLE:
- ATV
- TYPE:
- VALVE
- 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
- VALVE SHIM THICKNESS METRIC:
- 1.80 MM
$9.95 -
MOOSE RACING Valve Shim - 9.48 x 1.90 - 5 pack MSE5PK948190
MOOSE RACING
$9.95Complete valve shim kits make it easier to maintain your valve train, Forged from 4140 cold rolled steel, not sintered, Laser-etched size on each shim for identification, A great addition to any mechanic's tool box, Refills sold to dealers in 5-packs;...09261942- SKU:
- 09261942
- 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:
- UTV
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- 5 PACK
- RIDING STYLE:
- ATV
- TYPE:
- VALVE
- MATERIAL:
- ROLLED
- MATERIAL:
- STEEL
- OUTSIDE DIAMETER METRIC:
- 9.48 MM
- RIDING STYLE:
- OFF-ROAD
- VALVE SHIM THICKNESS METRIC:
- 1.90 MM
$9.95 -
MOOSE RACING Valve Seal Kit M30-31540
MOOSE RACING
$15.95Contact surfaces designed for improved sealing, High-temperature Viton® and PTFE materials, Improved tolerance over OEM, 100% quality controlled, Kits include one full set of intake and exhaust seals, Made in the USA09262819- SKU:
- 09262819
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- SEAL KIT
- TYPE:
- VALVE STEM
- UNITS:
- KIT
- APPLICATION:
- INTAKE
- COLOR/FINISH:
- RED
- BASE COLOR:
- RED
- MATERIAL:
- VITON
- RIDING STYLE:
- OFF-ROAD
$15.95 -
MOOSE RACING Valve Seal Kit M40-40160
MOOSE RACING
$15.95Contact surfaces designed for improved sealing, High-temperature Viton® and PTFE materials, Improved tolerance over OEM, 100% quality controlled, Kits include one full set of intake and exhaust seals, Made in the USA09262822- SKU:
- 09262822
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- VITON
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- APPLICATION:
- INTAKE
- COLOR/FINISH:
- RED
- PRODUCT NAME:
- SEAL KIT
- APPLICATION:
- EXHAUST
- BASE COLOR:
- RED
- TYPE:
- VALVE STEM
$15.95
