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
-
KIBBLEWHITE Exhaust Valve 82-82158
KIBBLEWHITE
$37.55Exhaust valve performance directly impacts engine efficiency, throttle response, and longevity under high RPM conditions. The KIBBLEWHITE Black Diamond™ valve delivers measurable improvements in flow...09261691- SKU:
- 09261691
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- APPLICATION:
- EXHAUST
- HEAD DIAMETER METRIC:
- 32.44 MM
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- UTV
- UNITS:
- EACH
- LENGTH IMPERIAL:
- 3.815'
- MODEL:
- BLACK DIAMOND™
- STEM DIAMETER IMPERIAL:
- 0.2155'
- TULIP ANGLE:
- 25°
$37.55 -
KIBBLEWHITE Spring Kit 96-96000
KIBBLEWHITE
$181.00A precision valve spring kit is fundamental to reliable high-RPM performance and consistent valve timing across the entire powerband. KIBBLEWHITE's engineered spring solution eliminates the risk of...09261696- SKU:
- 09261696
- Availability:
- Ships Same Business Day
- Weight:
- 0.68 LBS
- APPLICATION:
- INTAKE
- RIDING STYLE:
- OFF-ROAD
- SPRING OPEN PRESSURE:
- 214 LB
- MATERIAL:
- TITANIUM
- PRODUCT NAME:
- SPRING KIT
- UNITS:
- KIT
- APPLICATION:
- EXHAUST
- SPRING LIFT IMPERIAL:
- 0.435'
- TYPE:
- VALVE
$181.00 -
KIBBLEWHITE Intake Valve 96-96004
KIBBLEWHITE
$37.55Intake valve performance directly impacts combustion efficiency, cylinder sealing, and overall engine reliability under sustained high RPM operation. The Kibblewhite Black Diamond™ valve delivers...09261697- SKU:
- 09261697
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- BLACK DIAMOND™
- PRODUCT NAME:
- VALVE
- UNITS:
- EACH
- APPLICATION:
- INTAKE
- HEAD DIAMETER METRIC:
- 35.00 MM
- LENGTH IMPERIAL:
- 3.815'
- TULIP ANGLE:
- 20°
- RIDING STYLE:
- OFF-ROAD
- STEM DIAMETER IMPERIAL:
- 0.2350'
$37.55 -
KIBBLEWHITE Intake Valve 96-96005
KIBBLEWHITE
$37.55Intake valve performance directly impacts your engine's breathing efficiency and power delivery—a worn or inferior valve compromises combustion quality and throttle response. KIBBLEWHITE's Black...09261698- SKU:
- 09261698
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- HEAD DIAMETER METRIC:
- 36.00 MM
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- BLACK DIAMOND™
- PRODUCT NAME:
- VALVE
- LENGTH IMPERIAL:
- 3.815'
- UNITS:
- EACH
- APPLICATION:
- INTAKE
- RIDING STYLE:
- OFF-ROAD
- STEM DIAMETER IMPERIAL:
- 0.2350'
- TULIP ANGLE:
- 20°
$37.55Qty in Cart: 0Quantity:Price:$37.55Subtotal: -
KIBBLEWHITE Exhaust Valve 96-96007
KIBBLEWHITE
$37.55Valve degradation under extreme combustion temperatures is one of the fastest ways to lose power and reliability in a high-performance engine. The KIBBLEWHITE Black Diamond™ Exhaust Valve delivers...09261699- SKU:
- 09261699
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- MODEL:
- BLACK DIAMOND™
- STEM DIAMETER IMPERIAL:
- 0.2342'
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- LENGTH IMPERIAL:
- 3.815'
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
- TULIP ANGLE:
- 24°
- HEAD DIAMETER METRIC:
- 30.00 MM
- RIDING STYLE:
- OFF-ROAD
$37.55 -
KIBBLEWHITE Exhaust Valve 96-96008
KIBBLEWHITE
$37.55Exhaust valves are among the most thermally stressed and wear-prone components in your engine—they need to withstand extreme temperatures, corrosive combustion byproducts, and thousands of cycles per...09261700- SKU:
- 09261700
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- LENGTH IMPERIAL:
- 3.815'
- STEM DIAMETER IMPERIAL:
- 0.2342'
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- BLACK DIAMOND™
- HEAD DIAMETER METRIC:
- 21.00 MM
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- VALVE
- TULIP ANGLE:
- 24°
- UNITS:
- EACH
$37.55 -
KIBBLEWHITE Intake Valve Guide 96-96010
KIBBLEWHITE
$22.29Valve guide wear is one of the most common causes of oil consumption and performance degradation in high-mileage engines. The KIBBLEWHITE Intake Valve Guide 96-96010 replaces worn guides with a...09261701- SKU:
- 09261701
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- VALVE GUIDE
- MATERIAL:
- C630 BRONZE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- INSIDE DIAMETER IMPERIAL:
- 0.2360'
- SIZE IMPERIAL:
- STANDARD
- APPLICATION:
- INTAKE
- OUTSIDE DIAMETER IMPERIAL:
- 0.4745'
$22.29 -
KIBBLEWHITE Exhaust Valve Guide 96-96020
KIBBLEWHITE
$22.29Valve guide wear is a silent killer of engine performance, causing increased oil consumption, blow-by, and eventual catastrophic valve failure. The KIBBLEWHITE Exhaust Valve Guide 96-96020 is...09261702- SKU:
- 09261702
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- VALVE GUIDE
- MATERIAL:
- C630 BRONZE
- OUTSIDE DIAMETER IMPERIAL:
- 0.4745'
- APPLICATION:
- EXHAUST
- INSIDE DIAMETER IMPERIAL:
- 0.2360'
- SIZE IMPERIAL:
- STANDARD
- UNITS:
- EACH
$22.29 -
KIBBLEWHITE Exhaust Valve 96-96266
KIBBLEWHITE
$54.10Your engine's exhaust valves endure extreme temperatures and constant stress—factory components often fall short under high-performance demands. The KIBBLEWHITE Black Diamond™ Exhaust Valve delivers...09261713- SKU:
- 09261713
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- BLACK DIAMOND™
- STEM DIAMETER IMPERIAL:
- 0.1955'
- TULIP ANGLE:
- 30°
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- HEAD DIAMETER METRIC:
- 26.60 MM
- LENGTH IMPERIAL:
- 3.665'
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- OFF-ROAD
$54.10 -
KIBBLEWHITE Intake Valve Guide 96-96270
KIBBLEWHITE
$24.89Valve guide wear is one of the most common failure points in high-revving and forced-induction engines, leading to oil consumption, compression loss, and costly engine rebuilds. The KIBBLEWHITE...09261715- SKU:
- 09261715
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- SIZE IMPERIAL:
- STANDARD
- UNITS:
- EACH
- APPLICATION:
- INTAKE
- OUTSIDE DIAMETER IMPERIAL:
- 0.3958'
- PRODUCT NAME:
- VALVE GUIDE
- INSIDE DIAMETER IMPERIAL:
- 0.1960'
- MATERIAL:
- C630 BRONZE
- RIDING STYLE:
- OFF-ROAD
$24.89 -
KIBBLEWHITE Intake Valve Guide 30-30730
KIBBLEWHITE
$15.92Your engine's intake valves endure extreme temperatures and constant stress, making quality valve guides essential to maintaining proper sealing and preventing wear that can compromise compression...09300019- SKU:
- 09300019
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MATERIAL:
- AMPCO-45
- INSIDE DIAMETER IMPERIAL:
- 0.2155'
- OUTSIDE DIAMETER IMPERIAL:
- 0.4360'
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- VALVE GUIDE
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$15.92 -
KIBBLEWHITE Exhaust Valve Guide 30-30740
KIBBLEWHITE
$15.92Valve guides are critical components that direct oil flow and maintain precise valve alignment under extreme combustion pressures. The KIBBLEWHITE 30-30740 exhaust valve guide uses Ampco-45, a...09300021- SKU:
- 09300021
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- INSIDE DIAMETER IMPERIAL:
- 0.2150'
- APPLICATION:
- EXHAUST
- OUTSIDE DIAMETER IMPERIAL:
- 0.4360'
- MATERIAL:
- AMPCO-45
- PRODUCT NAME:
- VALVE GUIDE
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$15.92 -
Hot Cams Valve Shim 10.0 x 2.25 for 2008-2010 KTM 530 EXC-R 5PK1000225
HOT CAMS
$11.95Valve shim wear directly impacts your KTM 530 EXC-R's compression, valve timing, and overall engine responsiveness. This five-piece Hot Cams replacement pack gives you the precision shims needed to...09261282- SKU:
- 09261282
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- TYPE:
- VALVE
- PRODUCT NAME:
- SHIM
- UNITS:
- 5 PACK
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- VALVE SHIM THICKNESS METRIC:
- 2.25 MM
$11.95 -
Hot Cams Valve Shim 10.0 x 2.30 for 2008-2010 KTM 530 EXC-R 5PK1000230
HOT CAMS
$11.95Valve shim clearance directly impacts your 530 EXC-R's fuel efficiency, power delivery, and engine longevity. Worn or damaged shims throw off valve timing and increase the risk of bent valves—a...09261283- SKU:
- 09261283
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- PRODUCT NAME:
- SHIM
- TYPE:
- VALVE
- UNITS:
- 5 PACK
- VALVE SHIM THICKNESS METRIC:
- 2.30 MM
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
$11.95Qty in Cart: 0Quantity:Price:$11.95Subtotal: -
Hot Cams Valve Shim Kit 7.48mm OD 1.20-3.50mm Honda CRF150R 2007-2022 HCSHIM01
HOT CAMS
$10.95Maintaining precise valve clearance is critical to keeping your CRF150R running at peak efficiency—and worn or mismatched shims will compromise both power delivery and engine longevity. The Hot Cams...09261302- SKU:
- 09261302
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- OUTSIDE DIAMETER METRIC:
- 7.48 MM
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- UTV
- TYPE:
- VALVE
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- VALVE SHIM THICKNESS METRIC:
- 1.20 MM
$10.95 -
Hot Cams Steel Exhaust Valve for Honda CRF450R 2002-2006 8400002-1
HOT CAMS
$51.95If you're running a CRF450R at the edge of its limits, your stock exhaust valve is costing you power and reliability. Hot Cams' one-piece forged construction delivers the durability and precision...09262904- SKU:
- 09262904
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- BLACK
- LENGTH METRIC:
- 84 MM
- APPLICATION:
- EXHAUST
- STEM DIAMETER METRIC:
- 4.970 MM
- OUTSIDE DIAMETER METRIC:
- 31.00 MM
- UNITS:
- EACH
- BASE COLOR:
- BLACK
- MATERIAL:
- STEEL
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- OFF-ROAD
$51.95 -
Hot Cams Exhaust Valve for 2007-2008 Honda CRF450R 8400002-5
HOT CAMS
$53.95The stock exhaust valve on your 2007-2008 Honda CRF450R is a wear item that directly impacts combustion efficiency, valve sealing, and engine longevity. A forged, precision-machined replacement like...09262905- SKU:
- 09262905
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- EXHAUST
- STEM DIAMETER METRIC:
- 4.970 MM
- BASE COLOR:
- BLACK
- LENGTH METRIC:
- 84 MM
- MATERIAL:
- STEEL
- PRODUCT NAME:
- VALVE
- COLOR/FINISH:
- BLACK
- OUTSIDE DIAMETER METRIC:
- 30 MM
- UNITS:
- EACH
$53.95 -
Hot Cams Steel Exhaust Valve 1999-2008 Honda TRX400EX 8400003-1
HOT CAMS
$48.95Your TRX400EX's exhaust valve is subjected to extreme heat cycles and high RPM stress—factory valves wear quickly under aggressive use or tuning. The Hot Cams Steel Exhaust Valve restores precision...09262906- SKU:
- 09262906
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- COLOR/FINISH:
- BLACK
- OUTSIDE DIAMETER METRIC:
- 29.00 MM
- STEM DIAMETER METRIC:
- 5.460 MM
- APPLICATION:
- EXHAUST
- LENGTH METRIC:
- 101 MM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- BASE COLOR:
- BLACK
- MATERIAL:
- STEEL
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- OFF-ROAD
$48.95 -
Hot Cams Steel Intake Valve for Honda TRX400EX 1999-2008 8400003-2
HOT CAMS
$31.95The factory intake valve on your TRX400EX will eventually wear, restricting airflow and compromising engine efficiency. This Hot Cams replacement restores optimal valve sealing while adding...09262907- SKU:
- 09262907
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- RIDING STYLE:
- OFF-ROAD
- LENGTH METRIC:
- 103 MM
- BASE COLOR:
- BLACK
- MATERIAL:
- STEEL
- PRODUCT NAME:
- VALVE
- APPLICATION:
- INTAKE
- COLOR/FINISH:
- BLACK
- OUTSIDE DIAMETER METRIC:
- 33.00 MM
- RIDING STYLE:
- ATV
- STEM DIAMETER METRIC:
- 5.480 MM
- UNITS:
- EACH
$31.95 -
Hot Cams Steel Exhaust Valve for Suzuki DR-Z400S 2000-2009 2011-2017 8400009-1
HOT CAMS
$69.95The OEM exhaust valve is one of the most critical wear items in your DR-Z400S engine. Over time, carbon buildup, heat cycling, and seat erosion degrade sealing integrity, causing compression loss,...09262908- SKU:
- 09262908
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- BLACK
- LENGTH METRIC:
- 81.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- BASE COLOR:
- BLACK
- OUTSIDE DIAMETER METRIC:
- 29.00 MM
- PRODUCT NAME:
- VALVE
- STEM DIAMETER METRIC:
- 4.960 MM
$69.95
