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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XCELDYNE Valve Spring Locators XSSM13000
XCELDYNE
$52.06Reducing valve train mass is one of the most direct ways to push your engine's RPM ceiling higher while maintaining reliability. These CNC-machined titanium retainers cut weight compared to stock steel alternatives, directly translating to faster valve...09260546- SKU:
- 09260546
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- SPRING LOCATOR
- UNITS:
- 4 PACK
$52.06Qty in Cart: 0Quantity:Price:$52.06Subtotal: -
KIBBLEWHITE Intake Valve Guide 30-30610
KIBBLEWHITE
$15.92Valve guide wear is one of the most common failure points in high-revving engines, causing oil consumption, poor combustion sealing, and eventual valve seat damage. The KIBBLEWHITE Intake Valve Guide 30-30610 is engineered with Ampco-45 bronze alloy to...09300032- SKU:
- 09300032
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- INTAKE
- INSIDE DIAMETER IMPERIAL:
- 0.1961'
- MATERIAL:
- AMPCO-45
- OUTSIDE DIAMETER IMPERIAL:
- 0.3965'
- PRODUCT NAME:
- VALVE GUIDE
- UNITS:
- EACH
$15.92Qty in Cart: 0Quantity:Price:$15.92Subtotal: -
KIBBLEWHITE Exhaust Valve Guide 30-30620
KIBBLEWHITE
$15.92Valve guides are critical to engine longevity—they control oil consumption, maintain precise valve sealing, and prevent catastrophic wear that can compromise your entire cylinder head. The KIBBLEWHITE 30-30620 exhaust valve guide is engineered with...09300033- SKU:
- 09300033
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- INSIDE DIAMETER IMPERIAL:
- 0.1956'
- MATERIAL:
- AMPCO-45
- OUTSIDE DIAMETER IMPERIAL:
- 0.3965'
- PRODUCT NAME:
- VALVE GUIDE
$15.92 -
KIBBLEWHITE Intake Valve Guide 60-60060
KIBBLEWHITE
$14.34Valve guide wear is one of the primary causes of compression loss and oil consumption in high-mileage engines. The KIBBLEWHITE Intake Valve Guide 60-60060 restores proper valve seat geometry and clearance, ensuring consistent sealing and optimal...09300034- SKU:
- 09300034
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- APPLICATION:
- INTAKE
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- INSIDE DIAMETER IMPERIAL:
- 0.1960'
- OUTSIDE DIAMETER IMPERIAL:
- 0.4167'
- PRODUCT NAME:
- VALVE GUIDE
- RIDING STYLE:
- STREET
- MATERIAL:
- AMPCO-45
$14.34 -
DEL WEST Intake Valves CRF250RIV10NDHF
DEL WEST
$155.95If you're building a CRF250R engine that demands maximum flow and rpm capability, DEL WEST intake valves are engineered for zero compromises. The 50-degree seat angle and flat valve face eliminate turbulence, delivering measurable gains in volumetric...09262469- SKU:
- 09262469
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MATERIAL:
- TITANIUM
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$155.95 -
DEL WEST Exhaust Valves CRF250REV10NDHF
DEL WEST
$155.95If you're building an engine that demands maximum airflow and can handle higher RPMs, the DEL WEST Exhaust Valves are engineered for serious competitors who refuse compromise. The 50-degree seat angle and flat valve face eliminate restrictions, while the...09262470- SKU:
- 09262470
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- MATERIAL:
- TITANIUM
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$155.95 -
DEL WEST Exhaust Valve DWCRF450REV09ND
DEL WEST
$155.95Off-road racing demands exhaust components that can withstand extreme conditions without sacrificing performance or reliability. The DEL WEST Exhaust Valve DWCRF450REV09ND is engineered specifically for high-stress competition environments, backed by a...09262471- SKU:
- 09262471
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MATERIAL:
- TITANIUM
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
$155.95 -
DEL WEST Valve Spring Retainer DW-H-RX01-S
DEL WEST
$48.95When you're pushing your engine to the limit, valve spring retainers become a critical failure point. The DEL WEST DW-H-RX01-S is engineered from premium titanium to withstand extreme RPMs and valve loads without compromise. Trust the same retainers that...09262472- SKU:
- 09262472
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- RETAINER
- TYPE:
- VALVE SPRING
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
$48.95 -
DEL WEST Valve Spring Retainer DW-H-RX02-S
DEL WEST
$48.95Del West valve spring retainers are engineered for maximum durability in high-RPM racing applications where standard components fail. Built by the same manufacturer trusted by NASCAR, Formula One, and professional motocross teams, these retainers deliver...09262473- SKU:
- 09262473
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- VALVE SPRING
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- RETAINER
- UNITS:
- EACH
$48.95Qty in Cart: 0Quantity:Price:$48.95Subtotal: -
DEL WEST Exhaust Valve DW-CRF250R-EV08
DEL WEST
$155.95If you're running a CRF250R in competition or high-stress riding conditions, valve reliability directly impacts your engine's performance window and race-day consistency. DEL WEST exhaust valves are purpose-built for off-road demands, engineered to...09261042- SKU:
- 09261042
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MATERIAL:
- TITANIUM
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- OFF-ROAD
$155.95 -
DEL WEST Exhaust Valve DW-CRF250R-EV10
DEL WEST
$155.95If you're serious about off-road performance, your exhaust valve needs to match your ambition. DEL WEST has built its reputation on valves that survive the punishing conditions of competition—high RPMs, extreme temperatures, and relentless abuse. This...09261043- SKU:
- 09261043
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- APPLICATION:
- EXHAUST
- UNITS:
- EACH
- PRODUCT NAME:
- VALVE
- MATERIAL:
- TITANIUM
- RIDING STYLE:
- OFF-ROAD
$155.95 -
DEL WEST Intake Valve DW-CRF250R-IV04
DEL WEST
$155.95Competition-proven intake valves are the foundation of reliable top-end performance, especially in high-RPM off-road environments where factory components fall short. DEL WEST's CRF250R intake valve delivers the precision tolerances and material quality...09261044- SKU:
- 09261044
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- UNITS:
- EACH
- APPLICATION:
- INTAKE
- MATERIAL:
- TITANIUM
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- OFF-ROAD
$155.95 -
DEL WEST Intake Valve DW-CRF250R-IV10
DEL WEST
$155.95If you're serious about maximizing your CRF250R's performance in competitive off-road conditions, you need valve components engineered for the abuse that comes with racing. DEL WEST intake valves are trusted by top competitors because they deliver...09261045- SKU:
- 09261045
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- PRODUCT NAME:
- VALVE
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- INTAKE
- MATERIAL:
- TITANIUM
$155.95 -
DEL WEST Intake Valve DW-CRF450R-IV02
DEL WEST
$155.95High-revving off-road engines demand intake valves engineered to handle extreme conditions without compromise. DEL WEST's proven track record in competitive racing means this valve has already proven itself where it matters most—in the dirt. Upgrade to a...09261049- SKU:
- 09261049
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- TITANIUM
- UNITS:
- EACH
$155.95 -
DEL WEST Intake Valve DW-CRF450R-IV09
DEL WEST
$155.95If you're pushing your CRF450R to its limits in competition, valve reliability directly impacts your power delivery and engine longevity. DEL WEST intake valves are engineered to withstand the extreme thermal and mechanical stress of off-road racing,...09261050- SKU:
- 09261050
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- VALVE
- APPLICATION:
- INTAKE
- MATERIAL:
- TITANIUM
- RIDING STYLE:
- OFF-ROAD
$155.95 -
DEL WEST Exhaust Valve DW-RMZ250-EV04
DEL WEST
$155.95When you're pushing a Suzuki RMZ250 to its limits in off-road competition, your exhaust valve needs to handle extreme temperatures, rapid cycling, and relentless abuse without compromise. DEL West's proven track record in high-level racing means this...09261051- SKU:
- 09261051
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- MATERIAL:
- TITANIUM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- VALVE
$155.95 -
DEL WEST Exhaust Valve DW-KX450F-EV09
DEL WEST
$155.95When you're pushing a Kawasaki KX450F to its limits in competition, your exhaust valves face extreme temperatures, rapid cycling, and unforgiving abuse. DEL WEST's KX450F-EV09 is engineered to survive where inferior valves fail, delivering consistent...09261056- SKU:
- 09261056
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- EXHAUST
- UNITS:
- EACH
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- TITANIUM
$155.95 -
DEL WEST Exhaust Valve DW-CRF150REV07
DEL WEST
$155.95Meets the demands of off-road, all valves are backed by an established record of performance and reliability in competition that is unapproachable09262220- SKU:
- 09262220
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- EXHAUST
- UNITS:
- EACH
- PRODUCT NAME:
- VALVE
- MATERIAL:
- TITANIUM
$155.95 -
DEL WEST Exhaust Valve DW-CRF150EV07ND
DEL WEST
$155.95Meets the demands of off-road, all valves are backed by an established record of performance and reliability in competition that is unapproachable09262221- SKU:
- 09262221
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- TITANIUM
- APPLICATION:
- EXHAUST
- UNITS:
- EACH
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- OFF-ROAD
$155.95Qty in Cart: 0Quantity:Price:$155.95Subtotal: -
DEL WEST Exhaust Valve DWCRF4501OSEV09
DEL WEST
$155.95Off-road racing demands exhaust components that can withstand extreme heat, vibration, and pressure without compromise. DEL WEST's competition-proven exhaust valves deliver the reliability and performance durability that separates winners from the rest...09262229- SKU:
- 09262229
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- VALVE
- UNITS:
- EACH
- MATERIAL:
- TITANIUM
- RIDING STYLE:
- OFF-ROAD
$155.95
