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...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: -
On Sale
KIBBLEWHITE Intake Valve Guide 30-30610
KIBBLEWHITE
MSRP: $15.92Now: $14.33Was: $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...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
MSRP: $15.92Now: $14.33Was: $15.92 -
On Sale
KIBBLEWHITE Exhaust Valve Guide 30-30620
KIBBLEWHITE
MSRP: $15.92Now: $14.33Was: $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...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
MSRP: $15.92Now: $14.33Was: $15.92 -
On Sale
KIBBLEWHITE Intake Valve Guide 60-60060
KIBBLEWHITE
MSRP: $14.34Now: $12.91Was: $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...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
MSRP: $14.34Now: $12.91Was: $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...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 -
On Sale
DEL WEST Exhaust Valves CRF250REV10NDHF
DEL WEST
MSRP: $155.95Now: $100.00Was: $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...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
MSRP: $155.95Now: $100.00Was: $155.95 -
On Sale
DEL WEST Exhaust Valve DWCRF450REV09ND
DEL WEST
MSRP: $155.95Now: $100.00Was: $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...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
MSRP: $155.95Now: $100.00Was: $155.95 -
DEL WEST Valve Spring Retainer DW-H-RX01-S
DEL WEST
$71.95When 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...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
$71.95 -
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,...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...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...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
$171.95Competition-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...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
$171.95 -
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...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
$171.95High-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...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
$171.95 -
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...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...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...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
$171.95Meets 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
$171.95Qty in Cart: 0Quantity:Price:$171.95Subtotal: -
On Sale
DEL WEST Exhaust Valve DWCRF4501OSEV09
DEL WEST
MSRP: $155.95Now: $100.00Was: $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...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
MSRP: $155.95Now: $100.00Was: $155.95
