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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KIBBLEWHITE Exhaust Valve 80-80876
KIBBLEWHITE
$31.01Exhaust valves endure extreme thermal cycling and abrasive combustion environments—stock units wear quickly and compromise engine efficiency. The KIBBLEWHITE Black Diamond™ Exhaust Valve (80-80876) delivers measurable durability gains through precision...09262919- SKU:
- 09262919
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- BLACK DIAMOND™
- STEM DIAMETER IMPERIAL:
- 0.2155'
- TULIP ANGLE:
- 28°
- LENGTH IMPERIAL:
- 3.380'
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- HEAD DIAMETER METRIC:
- 30.50 MM
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
$31.01Qty in Cart: 0Quantity:Price:$31.01Subtotal: -
KIBBLEWHITE Valve Spring Kit 80-81100
KIBBLEWHITE
$185.23If you're running high-RPM applications or extended track sessions, OEM titanium valve springs degrade quickly under sustained stress. The Kibblewhite 80-81100 stainless steel conversion kit replaces worn or marginal valvetrain components with...09262920- SKU:
- 09262920
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- MATERIAL:
- TITANIUM
- APPLICATION:
- INTAKE
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- SPRING KIT
- SPRING LIFT IMPERIAL:
- 0.450'
- SPRING OPEN PRESSURE:
- 155 LB
- SPRING SEAT PRESSURE:
- 46 LB
- TYPE:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- SPRING LIFT:
- 0,450'
- UNITS:
- KIT
$185.23 -
KIBBLEWHITE Valve Spring Kit 30-31580
KIBBLEWHITE
$185.23If you're running high-RPM applications or simply want to eliminate valve train wear before it becomes a problem, upgrading to stainless steel valves and springs is one of the most reliable ways to extend engine life. The KIBBLEWHITE Valve Spring Kit...09262734- SKU:
- 09262734
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- SPRING SEAT PRESSURE:
- 40 LB
- RIDING STYLE:
- OFF-ROAD
- SPRING LIFT:
- 0,440'
- SPRING OPEN PRESSURE:
- 147 LB
- UNITS:
- KIT
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- VALVE KIT
- SPRING LIFT IMPERIAL:
- 0.440'
- TYPE:
- CONVERSION
- MATERIAL:
- STAINLESS STEEL
$185.23Qty in Cart: 0Quantity:Price:$185.23Subtotal: -
KIBBLEWHITE Valve Spring Kit 96-96450
KIBBLEWHITE
$218.32If you're running a high-revving engine, valve spring failure is a real threat to reliability and performance. The KIBBLEWHITE Valve Spring Kit 96-96450 replaces your OEM titanium components with a purpose-engineered stainless steel conversion that...09262736- SKU:
- 09262736
- Availability:
- Ships Same Business Day
- Weight:
- 0.46 LBS
- RIDING STYLE:
- STREET
- SPRING LIFT IMPERIAL:
- 0.425'
- TYPE:
- CONVERSION
- PRODUCT NAME:
- VALVE KIT
- SPRING LIFT:
- 0,425'
- UNITS:
- KIT
- APPLICATION:
- INTAKE
- SPRING OPEN PRESSURE:
- 169 LB
- MATERIAL:
- STAINLESS STEEL
- SPRING SEAT PRESSURE:
- 60 LB
$218.32 -
KIBBLEWHITE Valve Spring Kit 80-80850
KIBBLEWHITE
$303.29If your valvetrain is running OEM titanium components, you're leaving durability and longevity on the table. The KIBBLEWHITE Valve Spring Kit 80-80850 replaces wear-prone intake valves with purpose-engineered stainless steel alternatives that extend...09262737- SKU:
- 09262737
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- SPRING OPEN PRESSURE:
- 86 LB
- TYPE:
- CONVERSION
- PRODUCT NAME:
- VALVE KIT
- SPRING LIFT:
- 0,380'
- UNITS:
- KIT
- MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- SPRING SEAT PRESSURE:
- 39 LB
- APPLICATION:
- INTAKE
- SPRING LIFT IMPERIAL:
- 0.380'
$303.29Qty in Cart: 0Quantity:Price:$303.29Subtotal: -
KIBBLEWHITE Valve Spring Kit 80-80950
KIBBLEWHITE
$303.29If you're running a high-revving engine that demands reliability, valve spring failure can sideline you unexpectedly. The KIBBLEWHITE 80-80950 Valve Spring Kit replaces wear-prone OEM titanium components with purpose-engineered stainless steel internals...09262739- SKU:
- 09262739
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- APPLICATION:
- INTAKE
- MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- ATV
- SPRING LIFT IMPERIAL:
- 0.380'
- SPRING OPEN PRESSURE:
- 86 LB
- TYPE:
- CONVERSION
- PRODUCT NAME:
- VALVE KIT
- SPRING SEAT PRESSURE:
- 39 LB
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- SPRING LIFT:
- 0,380'
$303.29 -
KIBBLEWHITE Intake Valve - Honda 30-30630T
KIBBLEWHITE
$92.51If you're serious about maximizing your Honda's engine efficiency and reliability, a premium intake valve is non-negotiable. The Kibblewhite Tensilite® intake valve delivers superior heat resistance and durability under extreme combustion pressures,...09262740- SKU:
- 09262740
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- HEAD DIAMETER METRIC:
- 31.00 MM
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- TULIP ANGLE:
- 20°
- APPLICATION:
- INTAKE
- MATERIAL:
- TITANIUM
- MODEL:
- TENSILITE®
- STEM DIAMETER IMPERIAL:
- 0.1960'
- UNITS:
- EACH
$92.51 -
KIBBLEWHITE Intake Valve - Honda 30-31162T
KIBBLEWHITE
$92.51Intake valve reliability directly impacts combustion efficiency and engine longevity, especially in high-revving or forced-induction applications. The Kibblewhite Tensilite® valve delivers the material science and precision machining that separates stock...09262741- SKU:
- 09262741
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- VALVE
- TULIP ANGLE:
- 20°
- UNITS:
- EACH
- MATERIAL:
- TITANIUM
- MODEL:
- TENSILITE®
- STEM DIAMETER IMPERIAL:
- 0.1960'
- HEAD DIAMETER METRIC:
- 31.00 MM
- RIDING STYLE:
- OFF-ROAD
$92.51Qty in Cart: 0Quantity:Price:$92.51Subtotal: -
KIBBLEWHITE Intake Valve - Honda 30-31462T
KIBBLEWHITE
$109.33High-revving Honda engines demand intake valves that can handle extreme temperatures and repeated impact cycles without degrading. The KIBBLEWHITE Tensilite® intake valve delivers the durability and precision you need to build an engine that performs...09262742- SKU:
- 09262742
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- INTAKE
- HEAD DIAMETER METRIC:
- 30.50 MM
- PRODUCT NAME:
- VALVE
- TULIP ANGLE:
- 20°
- UNITS:
- EACH
- MATERIAL:
- TITANIUM
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- TENSILITE®
- STEM DIAMETER IMPERIAL:
- 0.1960'
$109.33 -
KIBBLEWHITE Intake Valve - Kawasaki 40-40140T
KIBBLEWHITE
$92.51High-rpm engine reliability hinges on valve durability, and intake valve wear directly impacts combustion efficiency and power delivery. The KIBBLEWHITE Tensilite® intake valve combines aerospace-grade titanium with precision CNC machining to withstand...09262746- SKU:
- 09262746
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- RIDING STYLE:
- OFF-ROAD
- HEAD DIAMETER METRIC:
- 31.00 MM
- MODEL:
- TENSILITE®
- STEM DIAMETER IMPERIAL:
- 0.1765'
- APPLICATION:
- INTAKE
- MATERIAL:
- TITANIUM
- UNITS:
- EACH
- PRODUCT NAME:
- VALVE
- TULIP ANGLE:
- 20°
$92.51 -
KIBBLEWHITE Exhaust Valve - Kawasaki 40-40143T
KIBBLEWHITE
$92.51High-revving engines demand valves that can withstand extreme thermal and mechanical stress without compromise. KIBBLEWHITE Tensilite® exhaust valves are engineered from premium titanium forgings and finished with a specialized coating that reduces...09262747- SKU:
- 09262747
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- STEM DIAMETER IMPERIAL:
- 0.1756'
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- TULIP ANGLE:
- 25°
- HEAD DIAMETER METRIC:
- 25.00 MM
- MATERIAL:
- TITANIUM
- MODEL:
- TENSILITE®
- UNITS:
- EACH
$92.51 -
KIBBLEWHITE Exhaust Valve - KTM 96-96166T
KIBBLEWHITE
$100.95Exhaust valves are critical to engine efficiency, and cheap units fail under the thermal and mechanical stress of sustained performance. KIBBLEWHITE's Tensilite® exhaust valves deliver the durability and reliability your engine demands, whether you're...09262753- SKU:
- 09262753
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- VALVE
- UNITS:
- EACH
- MATERIAL:
- TITANIUM
- TULIP ANGLE:
- 30°
- HEAD DIAMETER METRIC:
- 31.70 MM
- MODEL:
- TENSILITE®
- STEM DIAMETER IMPERIAL:
- 0.2353'
- RIDING STYLE:
- OFF-ROAD
$100.95 -
KIBBLEWHITE Intake Valve - KTM 96-96212T
KIBBLEWHITE
$134.56Intake valve performance directly impacts combustion efficiency and engine longevity—especially in high-RPM applications where thermal stress and wear accelerate rapidly. Kibblewhite's Tensilite® valves are precision-forged from aerospace-grade titanium...09262754- SKU:
- 09262754
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- HEAD DIAMETER METRIC:
- 39.95 MM
- RIDING STYLE:
- OFF-ROAD
- STEM DIAMETER IMPERIAL:
- 0.2350'
- TULIP ANGLE:
- 15°
- PRODUCT NAME:
- VALVE
- APPLICATION:
- INTAKE
- MATERIAL:
- TITANIUM
- MODEL:
- TENSILITE®
- UNITS:
- EACH
$134.56 -
KIBBLEWHITE Intake Valve - Suzuki 60-60210T
KIBBLEWHITE
$92.51Intake valve performance directly impacts cylinder fill efficiency, combustion quality, and overall engine reliability—especially under high RPM and boost conditions. The Kibblewhite Tensilite® intake valve delivers the material science and precision...09262756- SKU:
- 09262756
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- HEAD DIAMETER METRIC:
- 31.00 MM
- MODEL:
- TENSILITE®
- STEM DIAMETER IMPERIAL:
- 0.1765'
- APPLICATION:
- INTAKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PRODUCT NAME:
- VALVE
- TULIP ANGLE:
- 20°
- MATERIAL:
- TITANIUM
$92.51 -
KIBBLEWHITE Exhaust Valve - Suzuki 60-60213T
KIBBLEWHITE
$92.51Exhaust valves are the foundation of reliable engine performance—they control combustion timing and durability under extreme heat and pressure. The KIBBLEWHITE Tensilite® exhaust valve replaces weak OEM components with a one-piece titanium forging...09262757- SKU:
- 09262757
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MODEL:
- TENSILITE®
- TULIP ANGLE:
- 25°
- HEAD DIAMETER METRIC:
- 25.00 MM
- RIDING STYLE:
- OFF-ROAD
- STEM DIAMETER IMPERIAL:
- 0.1756'
- MATERIAL:
- TITANIUM
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- VALVE
$92.51 -
KIBBLEWHITE Exhaust Valve - Suzuki 60-60516T
KIBBLEWHITE
$109.33Exhaust valves are a critical wear item in high-revving engines, and stock components often can't handle sustained performance demands. The KIBBLEWHITE Tensilite® exhaust valve delivers superior heat resistance and durability through advanced titanium...09262759- SKU:
- 09262759
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MATERIAL:
- TITANIUM
- STEM DIAMETER IMPERIAL:
- 0.1760'
- HEAD DIAMETER METRIC:
- 25.00 MM
- PRODUCT NAME:
- VALVE
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- TULIP ANGLE:
- 25°
- APPLICATION:
- EXHAUST
- MODEL:
- TENSILITE®
$109.33 -
KIBBLEWHITE Intake Valve - Suzuki 60-60712T
KIBBLEWHITE
$109.33Intake valve performance directly impacts combustion efficiency, throttle response, and overall engine reliability under sustained high RPM operation. The Kibblewhite Tensilite® valve delivers superior durability and thermal stability compared to...09262760- SKU:
- 09262760
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MATERIAL:
- TITANIUM
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- VALVE
- TULIP ANGLE:
- 20°
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- HEAD DIAMETER METRIC:
- 36.00 MM
- MODEL:
- TENSILITE®
- STEM DIAMETER IMPERIAL:
- 0.2155'
$109.33 -
DEL WEST Exhaust Valve DW-RMZ450-EV08
DEL WEST
$155.95When you're pushing your RMZ450 to its limits in competition, valve reliability becomes non-negotiable. DEL WEST's exhaust valves are engineered to withstand the extreme thermal and mechanical stresses of off-road racing, giving you the durability and...09261063- SKU:
- 09261063
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- TITANIUM
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- EXHAUST
- UNITS:
- EACH
$155.95 -
DEL WEST Intake Valve DW-CRF150RIV07
DEL WEST
$155.95Off-road competition demands intake valves that won't compromise under extreme conditions. The DEL WEST Intake Valve DW-CRF150RIV07 delivers the reliability and precision tuning professionals expect, with a proven track record in high-stress racing...09262217- SKU:
- 09262217
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- TITANIUM
- UNITS:
- EACH
$155.95Qty in Cart: 0Quantity:Price:$155.95Subtotal: -
XCELDYNE Valve Locks XLOM55761
XCELDYNE
$38.18Valve locks are critical to high-RPM engine stability—inadequate retention leads to catastrophic valve float and potential internal damage. The XCELDYNE XLOM55761 addresses this with purpose-engineered geometry and premium materials designed to maintain...09260529- SKU:
- 09260529
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- VALVE
- UNITS:
- SET OF 4
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- LOCK
$38.18Qty in Cart: 0Quantity:Price:$38.18Subtotal:
