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 valves deliver the reliability and performance that...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. This valve carries a proven track record of...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 operation that separates winners from the rest, with a...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 use, backed by a proven track record that separates...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
$155.95Off-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 competition environments while maintaining the...09261725- SKU:
- 09261725
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- MATERIAL:
- TITANIUM
$155.95Qty in Cart: 0Quantity:Price:$155.95Subtotal: -
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 for reliability in the field—these valves are engineered...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 with a track record that speaks for itself in the most...09261727- SKU:
- 09261727
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- MATERIAL:
- TITANIUM
- RIDING STYLE:
- ATV
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- VALVE
- UNITS:
- EACH
$155.95 -
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 that punishment—proven in competition environments...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 WEST intake valves are engineered to withstand the...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
$155.95Off-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 precision engineering and material science required to...09261732- SKU:
- 09261732
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- VALVE
- APPLICATION:
- INTAKE
- MATERIAL:
- TITANIUM
- RIDING STYLE:
- ATV
$155.95Qty in Cart: 0Quantity:Price:$155.95Subtotal: -
DEL WEST Intake Valve DWYFZ450R21IV03
DEL WEST
$155.95Off-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 consistent performance without valve-related failures. Built to...09261733- SKU:
- 09261733
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MATERIAL:
- TITANIUM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- PRODUCT NAME:
- VALVE
- APPLICATION:
- INTAKE
$155.95 -
DEL WEST Intake Valve DWYFZ450R22IV03
DEL WEST
$155.95If 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 engineered to withstand extreme temperatures and combustion...09261734- SKU:
- 09261734
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MATERIAL:
- TITANIUM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- VALVE
$155.95Qty in Cart: 0Quantity:Price:$155.95Subtotal: -
DEL WEST Exhaust Valve DW-YFZ450R1EV03
DEL WEST
$155.95If 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 the thermal and mechanical stress of high-RPM off-road...09261735- SKU:
- 09261735
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- PRODUCT NAME:
- VALVE
- APPLICATION:
- EXHAUST
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- MATERIAL:
- TITANIUM
$155.95 -
DEL WEST Exhaust Valve DW-YFZ450R2EV03
DEL WEST
$155.95If 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, delivering the reliability that separates winners from...09261736- SKU:
- 09261736
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- MATERIAL:
- TITANIUM
$155.95 -
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 aerospace-grade titanium and a specialized coating to...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: $92.51 -
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 characteristics and extended valve life, while the CrN PVD...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: $92.51 -
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 science beyond standard steel. The KIBBLEWHITE Tensilite®...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 precision CNC machining to deliver superior durability...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 Intake Valve delivers the material science and precision...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 delivers the durability and thermal stability you need...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:
