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!
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- Qty in Cart
- Quantity
- Price
- Subtotal
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Wiseco Steel Intake Valve for KTM 525 XC 2008-2010 VIS035
WISECO
$43.95The Wiseco Steel Intake Valve VIS035 is engineered to deliver extended valve lifespan and reliable performance under the demanding conditions of high-RPM racing and aggressive riding. Its advanced...09261749- SKU:
- 09261749
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- VALVE
$43.95Qty in Cart: 0Quantity:Price:$43.95Subtotal: -
Wiseco Exhaust Valve for Honda CRF250R 2004-2007 VES001
WISECO
$49.95Factory exhaust valves wear quickly under aggressive riding conditions, leading to compression loss and declining performance. The Wiseco VES001 replaces worn valves with a precision-engineered...09260257- SKU:
- 09260257
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
$49.95 -
Wiseco Exhaust Valve for Honda CRF450R 2002-2006 VES002
WISECO
$49.95If you're running a CRF450R at the edge of its limits—whether on the track or in the dirt—valve wear is a silent performance killer. The Wiseco VES002 exhaust valve eliminates that vulnerability with...09260258- SKU:
- 09260258
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
$49.95 -
Wiseco Exhaust Valve for 1993-2000 Honda XR600R VES004
WISECO
$66.95The Wiseco Exhaust Valve VES004 is engineered to withstand the extreme thermal and mechanical demands of high-performance riding. If you're pushing your XR600R to its limits, a worn or failing...09260260- SKU:
- 09260260
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- APPLICATION:
- EXHAUST
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$66.95 -
WSM Power Valve with Safety Link 010-497-01
WSM
$113.84Exhaust scavenging efficiency directly impacts horsepower delivery and throttle response—the WSM Power Valve with Safety Link optimizes backpressure across your entire RPM range to unlock gains you...09262253- SKU:
- 09262253
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- POWER VALVE
- UNITS:
- EACH
- RIDING STYLE:
- WATERCRAFT
$113.84 -
XCELDYNE Intake Valve XIVM13001
XCELDYNE
$198.35Stock intake valves limit your engine's breathing potential and cap horsepower gains from other modifications. The XCELDYNE Intake Valve XIVM13001 delivers measurable airflow improvements through...09260469- SKU:
- 09260469
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MATERIAL:
- TITANIUM
- RIDING STYLE:
- OFF-ROAD
- SIZE METRIC:
- OVERSIZE (+1.00 MM)
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- VALVE
- UNITS:
- EACH
$198.35 -
On Sale
XCELDYNE Exhaust Valve XEVM12001
XCELDYNE
MSRP: $160.58Now: $103.00Was: $160.58If you're chasing measurable gains in flow efficiency and engine responsiveness, the XCELDYNE Exhaust Valve XEVM12001 delivers the precision engineering that separates competitive builds from stock...09260490- SKU:
- 09260490
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MATERIAL:
- TITANIUM
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- VALVE
- SIZE METRIC:
- STANDARD
- UNITS:
- EACH
MSRP: $160.58Now: $103.00Was: $160.58 -
XCELDYNE Exhaust Valve XEVM13000
XCELDYNE
$202.40If you're serious about extracting maximum flow and power from your engine, stock exhaust valves are leaving performance on the table. The XCELDYNE XEVM13000 delivers a measurable 15% flow increase...09260491- SKU:
- 09260491
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- TITANIUM
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- VALVE
- SIZE METRIC:
- STANDARD
- UNITS:
- EACH
$202.40 -
On Sale
XCELDYNE Exhaust Valve XEVM33006
XCELDYNE
MSRP: $152.93Now: $98.00Was: $152.93The XCELDYNE XEVM33006 exhaust valve delivers measurable flow improvements where it matters most—at the seat, tip, and guide—allowing your engine to expel combustion gases more efficiently and unlock...09260505- SKU:
- 09260505
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- PRODUCT NAME:
- VALVE
- SIZE METRIC:
- STANDARD
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- TITANIUM
MSRP: $152.93Now: $98.00Was: $152.93Qty in Cart: 0Quantity:Price:MSRP: $152.93Now: $98.00Was: $152.93Subtotal: -
XCELDYNE Valve Locks - Exhaust XLOM45801
XCELDYNE
$38.18Valve lock failure at high RPM is a catastrophic risk that can destroy your engine in seconds. XCELDYNE Valve Locks eliminate this danger with precision engineering that keeps your keepers locked...09260520- SKU:
- 09260520
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- PRODUCT NAME:
- LOCK
- APPLICATION:
- EXHAUST
- TYPE:
- VALVE
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- SET OF 4
$38.18Qty in Cart: 0Quantity:Price:$38.18Subtotal: -
XCELDYNE Intake Valve Springs PSIMX1905
XCELDYNE
$75.57If you're serious about extracting maximum horsepower from your engine, valve spring selection directly impacts your cam's ability to perform. The XCELDYNE Intake Valve Springs PSIMX1905 deliver the...09260637- SKU:
- 09260637
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- SPRING
- TYPE:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
$75.57Qty in Cart: 0Quantity:Price:$75.57Subtotal: -
XCELDYNE Intake Valve Springs PSIMX2104
XCELDYNE
$75.57If you're running a high-revving engine with titanium valves, valve spring performance directly impacts your peak horsepower and reliability under sustained boost or cam aggression. The XCELDYNE...09260643- SKU:
- 09260643
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- APPLICATION:
- INTAKE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- VALVE
- PRODUCT NAME:
- SPRING
- UNITS:
- PAIR
$75.57 -
XCELDYNE Exhaust Valve Springs PSIMX2401
XCELDYNE
$75.57If you're serious about extracting maximum horsepower from your engine, valve spring selection directly impacts your cam's ability to perform. The XCELDYNE Exhaust Valve Springs PSIMX2401 deliver the...09260647- SKU:
- 09260647
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- SPRING
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- VALVE
- UNITS:
- PAIR
$75.57 -
XCELDYNE Valve Seal Kit CVMSEA12001
XCELDYNE
$15.53Valve seal degradation is one of the most common sources of oil consumption and compression loss in high-mileage engines. The XCELDYNE Valve Seal Kit CVMSEA12001 replaces worn seals with premium...09260653- SKU:
- 09260653
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MATERIAL:
- VITON
- TYPE:
- VALVE
- PRODUCT NAME:
- SEAL KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$15.53Qty in Cart: 0Quantity:Price:$15.53Subtotal: -
On Sale
XCELDYNE Valve Seal Kit CVMSEA13001
XCELDYNE
MSRP: $15.53Now: $10.00Was: $15.53Valve seal degradation is one of the most insidious sources of oil consumption and power loss in high-mileage engines. The XCELDYNE Valve Seal Kit CVMSEA13001 replaces worn seals with premium Viton...09260655- SKU:
- 09260655
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MATERIAL:
- VITON
- PRODUCT NAME:
- SEAL KIT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- VALVE
- UNITS:
- KIT
MSRP: $15.53Now: $10.00Was: $15.53Qty in Cart: 0Quantity:Price:MSRP: $15.53Now: $10.00Was: $15.53Subtotal: -
KIBBLEWHITE Valve Seal - 4.5mm - Viton 80-80710
KIBBLEWHITE
$17.45Valve seals are critical to controlling oil consumption and maintaining combustion chamber integrity—a worn or inadequate seal can lead to oil burning, carbon buildup, and lost power. The Kibblewhite...09263369- SKU:
- 09263369
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- SEAL
- STEM DIAMETER METRIC:
- 4.50 MM
- TYPE:
- VALVE
- APPLICATION:
- INTAKE
- OUTSIDE DIAMETER IMPERIAL:
- 0.370'
- MATERIAL:
- VITON
- UNITS:
- SET OF 8
$17.45 -
XCELDYNE Valve Spring Bucket XBT22202
XCELDYNE
$140.49If you're pushing your engine to higher RPMs with performance camshafts, stock valve spring buckets become your limiting factor—creating excess wear on your cylinder head and robbing you of potential...09260625- SKU:
- 09260625
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- PRODUCT NAME:
- SPRING BUCKET
- UNITS:
- EACH
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- EXHAUST
$140.49 -
KIBBLEWHITE Valve - Intake - Tensilite 40-41612T
KIBBLEWHITE
$92.51If you're serious about maximizing valve life and performance on your engine build, OEM intake valves simply won't cut it. Kibblewhite's Black Diamond intake valves are purpose-built from premium...09263389- SKU:
- 09263389
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
$92.51Qty in Cart: 0Quantity:Price:$92.51Subtotal: -
MOOSE RACING Exhaust Valve M40-41660
MOOSE RACING
$196.95Stock exhaust valves wear out, compromise flow, and force costly rebuilds. The MOOSE RACING M40-41660 stainless steel exhaust valve extends valve train life up to 4x longer than OEM titanium while...09263372- SKU:
- 09263372
- Availability:
- Ships Same Business Day
- Weight:
- 0.42 LBS
$196.95Qty in Cart: 0Quantity:Price:$196.95Subtotal: -
MOOSE RACING Intake Valve M30-34000
MOOSE RACING
$196.95Stock intake valves leave performance on the table—restricted flow, inconsistent sealing, and premature wear are common limitations in OEM designs. The MOOSE RACING M30-34000 Intake Valve addresses...09263373- SKU:
- 09263373
- Availability:
- Ships Same Business Day
- Weight:
- 0.51 LBS
$196.95Qty in Cart: 0Quantity:Price:$196.95Subtotal:
