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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DEL WEST Intake Valve DWCRF4502OSIV09
DEL WEST
$155.95Off-road racing demands valves that can withstand extreme temperatures, pressure spikes, and abrasive environments without compromise. DEL WEST's proven track record in competition shows these intake...09262230- SKU:
- 09262230
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PRODUCT NAME:
- VALVE
- APPLICATION:
- INTAKE
- MATERIAL:
- TITANIUM
$155.95Qty in Cart: 0Quantity:Price:$155.95Subtotal: -
DEL WEST Exhaust Valve DW-CRF450R-EV13
DEL WEST
$155.95High-performance off-road racing demands exhaust valves that can withstand extreme temperatures, rapid cycling, and relentless abuse—and the DEL WEST DW-CRF450R-EV13 is engineered to do exactly that...09262231- SKU:
- 09262231
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MATERIAL:
- TITANIUM
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$155.95 -
DEL WEST Intake Valve DW-RMZ250-IV10
DEL WEST
$155.95If you're pushing your RMZ250 to its limits in competition, valve reliability becomes non-negotiable. The DEL WEST Intake Valve is engineered to withstand the extreme heat cycles and aggressive...09262254- SKU:
- 09262254
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- APPLICATION:
- INTAKE
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- VALVE
- MATERIAL:
- TITANIUM
- UNITS:
- EACH
$155.95 -
DEL WEST Intake Valve DWLTR450IV11HFP
DEL WEST
$155.95If you're running a high-performance off-road engine, valve reliability under extreme conditions isn't negotiable. The DEL WEST Intake Valve DWLTR450IV11HFP is purpose-built for sustained competition...09262255- SKU:
- 09262255
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- TITANIUM
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$155.95 -
DEL WEST Intake Valve DW-LTR4501IV11
DEL WEST
$171.95Off-road racing demands valve components that won't compromise under extreme conditions—DEL WEST's proven track record speaks for itself. This intake valve is engineered to handle the punishment of...09261725- SKU:
- 09261725
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- MATERIAL:
- TITANIUM
$171.95Qty in Cart: 0Quantity:Price:$171.95Subtotal: -
DEL WEST Intake Valve DW-LTR450-IV11
DEL WEST
$155.95If you're running hard in off-road competition, your intake valve is your engine's first line of defense against the extreme demands of aggressive riding. DEL WEST has built an unmatched reputation...09261726- SKU:
- 09261726
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- VALVE
- MATERIAL:
- TITANIUM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$155.95 -
DEL WEST Exhaust Valve DW-LTR4501EV11
DEL WEST
$155.95Off-road racing demands exhaust valves engineered to withstand extreme temperatures, pressure spikes, and continuous high-RPM operation. DEL WEST's LTR4501EV11 delivers competition-proven reliability...09261727- SKU:
- 09261727
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- MATERIAL:
- TITANIUM
- RIDING STYLE:
- ATV
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- VALVE
- UNITS:
- EACH
$155.95Qty in Cart: 0Quantity:Price:$155.95Subtotal: -
DEL WEST Exhaust Valve DW-LTR450EV11
DEL WEST
$155.95Off-road racing demands exhaust components that can withstand extreme temperatures, pressure spikes, and constant vibration without failure. The DEL WEST Exhaust Valve DW-LTR450EV11 is engineered for...09261728- SKU:
- 09261728
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- PRODUCT NAME:
- VALVE
- MATERIAL:
- TITANIUM
- APPLICATION:
- EXHAUST
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$155.95 -
DEL WEST Intake Valve DW-KFX450R-IV11
DEL WEST
$155.95If you're running a Kawasaki KFX450R in competition or high-stress trail conditions, valve reliability directly impacts your engine's ability to maintain peak performance under sustained load. DEL...09261731- SKU:
- 09261731
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- APPLICATION:
- INTAKE
- MATERIAL:
- TITANIUM
- PRODUCT NAME:
- VALVE
$155.95 -
DEL WEST Intake Valve DWYFZ450R11IV03
DEL WEST
$171.95Off-road racing demands valve components that can withstand extreme combustion pressures, thermal cycling, and prolonged high-RPM operation. The DEL WEST Intake Valve DWYFZ450R11IV03 delivers the...09261732- SKU:
- 09261732
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- VALVE
- APPLICATION:
- INTAKE
- MATERIAL:
- TITANIUM
- RIDING STYLE:
- ATV
$171.95Qty in Cart: 0Quantity:Price:$171.95Subtotal: -
DEL WEST Intake Valve DWYFZ450R21IV03
DEL WEST
$171.95Off-road competition demands intake valves that won't compromise reliability under extreme conditions. DEL WEST's proven track record in competitive environments ensures your engine delivers...09261733- SKU:
- 09261733
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MATERIAL:
- TITANIUM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- PRODUCT NAME:
- VALVE
- APPLICATION:
- INTAKE
$171.95 -
DEL WEST Intake Valve DWYFZ450R22IV03
DEL WEST
$171.95If you're running a Yamaha YFZ450R in competition or high-demand off-road conditions, valve reliability directly impacts your engine's longevity and peak performance. DEL West intake valves are...09261734- SKU:
- 09261734
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MATERIAL:
- TITANIUM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- VALVE
$171.95Qty in Cart: 0Quantity:Price:$171.95Subtotal: -
DEL WEST Exhaust Valve DW-YFZ450R1EV03
DEL WEST
$171.95If you're running a YFZ450R in competition or demanding trail conditions, valve reliability directly impacts your engine's performance and longevity. DEL West exhaust valves are built to withstand...09261735- SKU:
- 09261735
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- PRODUCT NAME:
- VALVE
- APPLICATION:
- EXHAUST
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- MATERIAL:
- TITANIUM
$171.95 -
DEL WEST Exhaust Valve DW-YFZ450R2EV03
DEL WEST
$171.95If you're pushing your YFZ450R2 to its limits in competition, your exhaust valve needs to match your commitment to performance. DEL WEST valves are purpose-built for the demands of off-road racing,...09261736- SKU:
- 09261736
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- MATERIAL:
- TITANIUM
$171.95 -
On Sale
KIBBLEWHITE Intake Valve - Yamaha 80-80073T
KIBBLEWHITE
MSRP: $92.51Now: $83.26Was: $92.51Intake valve performance directly impacts cylinder filling efficiency, combustion consistency, and overall engine responsiveness. The Kibblewhite Tensilite® valve engineered for your application uses...09262762- SKU:
- 09262762
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- HEAD DIAMETER METRIC:
- 23.00 MM
- STEM DIAMETER IMPERIAL:
- 0.1570'
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- TULIP ANGLE:
- 25°
- APPLICATION:
- INTAKE
- MATERIAL:
- TITANIUM
- MODEL:
- TENSILITE®
- UNITS:
- EACH
MSRP: $92.51Now: $83.26Was: $92.51Qty in Cart: 0Quantity:Price:MSRP: $92.51Now: $83.26Was: $92.51Subtotal: -
On Sale
KIBBLEWHITE Center Intake Valve - Yamaha 80-80075T
KIBBLEWHITE
MSRP: $92.51Now: $83.26Was: $92.51Tensilite® intake valves deliver the reliability and thermal stability your engine demands during high-RPM operation. Precision CNC machining from titanium alloy forgings ensures consistent flow...09262763- SKU:
- 09262763
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- HEAD DIAMETER METRIC:
- 23.00 MM
- RIDING STYLE:
- OFF-ROAD
- STEM DIAMETER IMPERIAL:
- 0.1570'
- TULIP ANGLE:
- 25°
- APPLICATION:
- CENTER INTAKE
- MATERIAL:
- TITANIUM
- MODEL:
- TENSILITE®
- UNITS:
- EACH
- PRODUCT NAME:
- VALVE
MSRP: $92.51Now: $83.26Was: $92.51Qty in Cart: 0Quantity:Price:MSRP: $92.51Now: $83.26Was: $92.51Subtotal: -
On Sale
KIBBLEWHITE Exhaust Valve - Yamaha 80-80077T
KIBBLEWHITE
MSRP: $92.51Now: $83.26Was: $92.51Exhaust valves are critical components that directly impact engine efficiency, durability, and peak performance—and they're exposed to extreme temperatures and repeated impact that demand material...09262764- SKU:
- 09262764
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- OFF-ROAD
- HEAD DIAMETER METRIC:
- 24.50 MM
- MODEL:
- TENSILITE®
- TULIP ANGLE:
- 25°
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- VALVE
- STEM DIAMETER IMPERIAL:
- 0.1758'
- MATERIAL:
- TITANIUM
- UNITS:
- EACH
MSRP: $92.51Now: $83.26Was: $92.51 -
On Sale
KIBBLEWHITE Intake Valve - Yamaha 80-80213T
KIBBLEWHITE
MSRP: $92.51Now: $83.26Was: $92.51Intake valve performance directly impacts your engine's breathing efficiency, combustion consistency, and overall power output. The Kibblewhite Tensilite® valve combines aerospace-grade titanium with...09262765- SKU:
- 09262765
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- INTAKE
- RIDING STYLE:
- OFF-ROAD
- TULIP ANGLE:
- 15°
- UNITS:
- EACH
- MODEL:
- TENSILITE®
- STEM DIAMETER IMPERIAL:
- 0.1765'
- MATERIAL:
- TITANIUM
- HEAD DIAMETER METRIC:
- 27.00 MM
- PRODUCT NAME:
- VALVE
MSRP: $92.51Now: $83.26Was: $92.51Qty in Cart: 0Quantity:Price:MSRP: $92.51Now: $83.26Was: $92.51Subtotal: -
On Sale
KIBBLEWHITE Center Intake Valve - Yamaha 80-80215T
KIBBLEWHITE
MSRP: $92.51Now: $83.26Was: $92.51Intake valve performance directly impacts combustion efficiency, cylinder sealing, and overall engine reliability—especially under sustained high RPM operation. The KIBBLEWHITE Tensilite® Center...09262766- SKU:
- 09262766
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- HEAD DIAMETER METRIC:
- 27.00 MM
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- APPLICATION:
- CENTER INTAKE
- MODEL:
- TENSILITE®
- TULIP ANGLE:
- 15°
- MATERIAL:
- TITANIUM
- STEM DIAMETER IMPERIAL:
- 0.1765'
MSRP: $92.51Now: $83.26Was: $92.51 -
On Sale
KIBBLEWHITE Exhaust Valve - Yamaha 80-80217T
KIBBLEWHITE
MSRP: $92.51Now: $83.26Was: $92.51Exhaust valves are critical to engine reliability and peak performance—especially under high-RPM and high-heat conditions where material failure becomes a real risk. The KIBBLEWHITE Tensilite® valve...09262767- SKU:
- 09262767
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- HEAD DIAMETER METRIC:
- 28.00 MM
- PRODUCT NAME:
- VALVE
- TULIP ANGLE:
- 20°
- UNITS:
- EACH
- MATERIAL:
- TITANIUM
- MODEL:
- TENSILITE®
- RIDING STYLE:
- OFF-ROAD
- STEM DIAMETER IMPERIAL:
- 0.1957'
- APPLICATION:
- EXHAUST
MSRP: $92.51Now: $83.26Was: $92.51Qty in Cart: 0Quantity:Price:MSRP: $92.51Now: $83.26Was: $92.51Subtotal:
