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 30-30225
KIBBLEWHITE
$31.01Black Diamond™ valves are CNC machined from one-piece forgings of EV8 Stainless Steel, Black Diamond™ proprietary multi-stage process reduces friction, and provides superior resistance to corrosion and wear, Made in the U.S.A.09263055- SKU:
- 09263055
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- LENGTH IMPERIAL:
- 3.310'
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- BLACK DIAMOND™
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- VALVE
- STEM DIAMETER IMPERIAL:
- 0.1957'
- TULIP ANGLE:
- 20°
- HEAD DIAMETER METRIC:
- 30.00 MM
- UNITS:
- EACH
$31.01 -
KIBBLEWHITE Intake Valve - Standard - CRF450R 30-32812T
KIBBLEWHITE
$92.51Tensilite® valves are CNC machined from one-piece forgings of 6AL4V or 6-2-4-2 titanium alloy, Finished with a CrN PVD coating that has a low coefficient of friction, and is impact, abrasion, and corrosion resistant, Made in the U.S.A.09263056- SKU:
- 09263056
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- RIDING STYLE:
- OFF-ROAD
- STEM DIAMETER IMPERIAL:
- 0.1960'
- APPLICATION:
- INTAKE
- HEAD DIAMETER METRIC:
- 38.00 MM
- MATERIAL:
- TITANIUM
- MODEL:
- TENSILITE®
- UNITS:
- EACH
- PRODUCT NAME:
- VALVE
- TULIP ANGLE:
- 20°
$92.51 -
KIBBLEWHITE Keeper Set 80-81330
KIBBLEWHITE
$37.84Keepers are made from high tensile strength steel09263114- SKU:
- 09263114
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- KEEPER SET
- UNITS:
- SET
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
- RIDING STYLE:
- ATV
- STEM DIAMETER IMPERIAL:
- 0.177'
- APPLICATION:
- EXHAUST
- LENGTH IMPERIAL:
- 0.221'
$37.84 -
KIBBLEWHITE Cylinder Head Service Kit 90-91400
KIBBLEWHITE
$920.95Kits contain all items to completely refresh and upgrade cylinder heads for popular Dirt/MX and Side x Side models, Cylinder Head Service Kits include the below components:, Lightweight Racing Valve Spring kits with steel or titanium retainers, beehive...09263115- SKU:
- 09263115
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
- MATERIAL:
- C630 BRONZE
- MATERIAL:
- TITANIUM
- MODEL:
- BLACK DIAMOND™
- SPRING OPEN PRESSURE:
- 177 LB
- SPRING SEAT PRESSURE:
- 57 LB
- APPLICATION:
- INTAKE
- RIDING STYLE:
- ATV
- SPRING LIFT:
- 0.470'
- UNITS:
- KIT
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- CYLINDER HEAD SERVICE KIT
- SPRING LIFT IMPERIAL:
- 0.470'
$920.95 -
KIBBLEWHITE Cylinder Head Service Kit 30-33300
KIBBLEWHITE
$449.60Kits contain all items to completely refresh and upgrade cylinder heads for popular Dirt/MX and Side x Side models, Cylinder Head Service Kits include the below components:, Lightweight Racing Valve Spring kits with steel or titanium retainers, beehive...09263116- SKU:
- 09263116
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- MATERIAL:
- TITANIUM
- SPRING LIFT IMPERIAL:
- 0.350'
- SPRING SEAT PRESSURE:
- 50 LB
- APPLICATION:
- EXHAUST
- APPLICATION:
- INTAKE
- MODEL:
- BLACK DIAMOND™
- PRODUCT NAME:
- CYLINDER HEAD SERVICE KIT
- SPRING LIFT:
- 0,350'
- MATERIAL:
- C630 BRONZE
- RIDING STYLE:
- OFF-ROAD
- SPRING OPEN PRESSURE:
- 145 LB
- UNITS:
- KIT
$449.60 -
KIBBLEWHITE Cylinder Head Service Kit 30-33320
KIBBLEWHITE
$473.84Kits contain all items to completely refresh and upgrade cylinder heads for popular Dirt/MX and Side x Side models, Cylinder Head Service Kits include the below components:, Lightweight Racing Valve Spring kits with steel or titanium retainers, beehive...09263118- SKU:
- 09263118
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- RIDING STYLE:
- OFF-ROAD
- SPRING LIFT:
- 0,380'
- SPRING SEAT PRESSURE:
- 51 LB
- UNITS:
- KIT
- APPLICATION:
- EXHAUST
- SPRING LIFT IMPERIAL:
- 0.380'
- APPLICATION:
- INTAKE
- MATERIAL:
- TITANIUM
- MODEL:
- BLACK DIAMOND™
- PRODUCT NAME:
- CYLINDER HEAD SERVICE KIT
- MATERIAL:
- C630 BRONZE
- SPRING OPEN PRESSURE:
- 160 LB
$473.84 -
KIBBLEWHITE Cylinder Head Service Kit 30-33330
KIBBLEWHITE
$513.75Kits contain all items to completely refresh and upgrade cylinder heads for popular Dirt/MX and Side x Side models, Cylinder Head Service Kits include the below components:, Lightweight Racing Valve Spring kits with steel or titanium retainers, beehive...09263119- SKU:
- 09263119
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- MODEL:
- WHITE DIAMOND™
- RIDING STYLE:
- OFF-ROAD
- SPRING LIFT IMPERIAL:
- INTAKE 0.440', EXHAUST 0.405'
- SPRING OPEN PRESSURE:
- INTAKE 162 LB, EXHAUST 220 LB
- SPRING SEAT PRESSURE:
- INTAKE 50 LB, EXHAUST 90 LB
- UNITS:
- KIT
- APPLICATION:
- EXHAUST
- MATERIAL:
- C630 BRONZE
- PRODUCT NAME:
- CYLINDER HEAD SERVICE KIT
- SPRING LIFT:
- INTAKE 0,440' , EXHAUST 0,405'
- APPLICATION:
- INTAKE
- MATERIAL:
- TITANIUM
$513.75 -
KIBBLEWHITE Cylinder Head Service Kit 30-33340
KIBBLEWHITE
$411.82Kits contain all items to completely refresh and upgrade cylinder heads for popular Dirt/MX and Side x Side models, Cylinder Head Service Kits include the below components:, Lightweight Racing Valve Spring kits with steel or titanium retainers, beehive...09263120- SKU:
- 09263120
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- MATERIAL:
- TITANIUM
- SPRING OPEN PRESSURE:
- 162 LB
- UNITS:
- KIT
- APPLICATION:
- EXHAUST
- SPRING SEAT PRESSURE:
- 40 LB
- MATERIAL:
- C630 BRONZE
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- INTAKE
- MODEL:
- BLACK DIAMOND™
- PRODUCT NAME:
- CYLINDER HEAD SERVICE KIT
- SPRING LIFT:
- 0,440'
- SPRING LIFT IMPERIAL:
- 0.440'
$411.82 -
KIBBLEWHITE Cylinder Head Service Kit 30-33350
KIBBLEWHITE
$411.82Kits contain all items to completely refresh and upgrade cylinder heads for popular Dirt/MX and Side x Side models, Cylinder Head Service Kits include the below components:, Lightweight Racing Valve Spring kits with steel or titanium retainers, beehive...09263121- SKU:
- 09263121
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- MATERIAL:
- TITANIUM
- APPLICATION:
- EXHAUST
- SPRING LIFT IMPERIAL:
- 0.440'
- SPRING SEAT PRESSURE:
- INTAKE 40 LB, EXHAUST 70 LB
- APPLICATION:
- INTAKE
- MODEL:
- BLACK DIAMOND™
- PRODUCT NAME:
- CYLINDER HEAD SERVICE KIT
- SPRING LIFT:
- 0,440'
- SPRING OPEN PRESSURE:
- INTAKE 147 LB, EXHAUST 203 LB
- MATERIAL:
- C630 BRONZE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$411.82 -
KIBBLEWHITE Cylinder Head Service Kit 30-33360
KIBBLEWHITE
$420.39Kits contain all items to completely refresh and upgrade cylinder heads for popular Dirt/MX and Side x Side models, Cylinder Head Service Kits include the below components:, Lightweight Racing Valve Spring kits with steel or titanium retainers, beehive...09263122- SKU:
- 09263122
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- SPRING LIFT:
- 0,440'
- UNITS:
- KIT
- APPLICATION:
- EXHAUST
- MATERIAL:
- C630 BRONZE
- PRODUCT NAME:
- CYLINDER HEAD SERVICE KIT
- SPRING SEAT PRESSURE:
- INTAKE 40 LB, EXHAUST 70 LB
- APPLICATION:
- INTAKE
- MATERIAL:
- TITANIUM
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- ATV
- SPRING LIFT IMPERIAL:
- 0.440'
- SPRING OPEN PRESSURE:
- INTAKE 147 LB, EXHAUST 203 LB
$420.39 -
KIBBLEWHITE Cylinder Head Service Kit 40-41500
KIBBLEWHITE
$453.05Kits contain all items to completely refresh and upgrade cylinder heads for popular Dirt/MX and Side x Side models, Cylinder Head Service Kits include the below components:, Lightweight Racing Valve Spring kits with steel or titanium retainers, beehive...09263123- SKU:
- 09263123
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- APPLICATION:
- EXHAUST
- SPRING LIFT:
- 0,445'
- SPRING SEAT PRESSURE:
- 46 LB
- APPLICATION:
- INTAKE
- MATERIAL:
- TITANIUM
- MODEL:
- BLACK DIAMOND™
- PRODUCT NAME:
- CYLINDER HEAD SERVICE KIT
- SPRING LIFT IMPERIAL:
- 0.445'
- MATERIAL:
- C630 BRONZE
- SPRING OPEN PRESSURE:
- 155 LB
$453.05 -
KIBBLEWHITE Cylinder Head Service Kit 40-41510
KIBBLEWHITE
$475.16Kits contain all items to completely refresh and upgrade cylinder heads for popular Dirt/MX and Side x Side models, Cylinder Head Service Kits include the below components:, Lightweight Racing Valve Spring kits with steel or titanium retainers, beehive...09263124- SKU:
- 09263124
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- APPLICATION:
- INTAKE
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- C630 BRONZE
- MODEL:
- BLACK DIAMOND™
- PRODUCT NAME:
- CYLINDER HEAD SERVICE KIT
- SPRING LIFT IMPERIAL:
- 0.445'
- APPLICATION:
- EXHAUST
- SPRING LIFT:
- 0,445'
- SPRING OPEN PRESSURE:
- 155 LB
- MATERIAL:
- TITANIUM
- SPRING SEAT PRESSURE:
- 46 LB
- UNITS:
- KIT
$475.16Qty in Cart: 0Quantity:Price:$475.16Subtotal: -
KIBBLEWHITE Cylinder Head Service Kit 40-41520
KIBBLEWHITE
$475.16Kits contain all items to completely refresh and upgrade cylinder heads for popular Dirt/MX and Side x Side models, Cylinder Head Service Kits include the below components:, Lightweight Racing Valve Spring kits with steel or titanium retainers, beehive...09263125- SKU:
- 09263125
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MATERIAL:
- C630 BRONZE
- PRODUCT NAME:
- CYLINDER HEAD SERVICE KIT
- SPRING LIFT IMPERIAL:
- 0.445'
- APPLICATION:
- INTAKE
- MATERIAL:
- TITANIUM
- MODEL:
- BLACK DIAMOND™
- SPRING SEAT PRESSURE:
- 46 LB
- APPLICATION:
- EXHAUST
- SPRING LIFT:
- 0,445'
- SPRING OPEN PRESSURE:
- INTAKE 155 LB, EXHAUST 146 LB
$475.16 -
KIBBLEWHITE Cylinder Head Service Kit 40-41470
KIBBLEWHITE
$426.28Kits contain all items to completely refresh and upgrade cylinder heads for popular Dirt/MX and Side x Side models, Cylinder Head Service Kits include the below components:, Lightweight Racing Valve Spring kits with steel or titanium retainers, beehive...09263126- SKU:
- 09263126
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- APPLICATION:
- EXHAUST
- APPLICATION:
- INTAKE
- SPRING LIFT IMPERIAL:
- 0.415'
- MATERIAL:
- TITANIUM
- MODEL:
- BLACK DIAMOND™
- PRODUCT NAME:
- CYLINDER HEAD SERVICE KIT
- SPRING LIFT:
- 0,415'
- SPRING OPEN PRESSURE:
- INTAKE 169 LB, EXHAUST 170 LB
- SPRING SEAT PRESSURE:
- INTAKE 64 LB, EXHAUST 65 LB
- MATERIAL:
- C630 BRONZE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$426.28 -
KIBBLEWHITE Cylinder Head Service Kit 40-41480
KIBBLEWHITE
$426.28Kits contain all items to completely refresh and upgrade cylinder heads for popular Dirt/MX and Side x Side models, Cylinder Head Service Kits include the below components:, Lightweight Racing Valve Spring kits with steel or titanium retainers, beehive...09263127- SKU:
- 09263127
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- APPLICATION:
- INTAKE
- SPRING LIFT IMPERIAL:
- 0.415'
- MATERIAL:
- C630 BRONZE
- MATERIAL:
- TITANIUM
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- CYLINDER HEAD SERVICE KIT
- SPRING LIFT:
- 0,415'
- SPRING OPEN PRESSURE:
- INTAKE 169 LB, EXHAUST 170 LB
- SPRING SEAT PRESSURE:
- INTAKE 64 LB, EXHAUST 65 LB
$426.28 -
KIBBLEWHITE Cylinder Head Service Kit 82-83150
KIBBLEWHITE
$668.26Kits contain all items to completely refresh and upgrade cylinder heads for popular Dirt/MX and Side x Side models, Cylinder Head Service Kits include the below components:, Lightweight Racing Valve Spring kits with steel or titanium retainers, beehive...09263128- SKU:
- 09263128
- Availability:
- Ships Same Business Day
- Weight:
- 2.60 LBS
- APPLICATION:
- EXHAUST
- SPRING LIFT IMPERIAL:
- 0.435'
- SPRING OPEN PRESSURE:
- 205 LB
- SPRING SEAT PRESSURE:
- 80 IB
- UNITS:
- KIT
- APPLICATION:
- INTAKE
- MODEL:
- BLACK DIAMOND™
- PRODUCT NAME:
- CYLINDER HEAD SERVICE KIT
- RIDING STYLE:
- ATV
- SPRING LIFT:
- 0,435'
- MATERIAL:
- C630 BRONZE
$668.26 -
KIBBLEWHITE Cylinder Head Service Kit 60-61600
KIBBLEWHITE
$436.00Kits contain all items to completely refresh and upgrade cylinder heads for popular Dirt/MX and Side x Side models, Cylinder Head Service Kits include the below components:, Lightweight Racing Valve Spring kits with steel or titanium retainers, beehive...09263129- SKU:
- 09263129
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- APPLICATION:
- EXHAUST
- SPRING LIFT:
- 0,445'
- MATERIAL:
- TITANIUM
- SPRING SEAT PRESSURE:
- 51 LB
- MATERIAL:
- C630 BRONZE
- RIDING STYLE:
- OFF-ROAD
- SPRING OPEN PRESSURE:
- 160 LB
- UNITS:
- KIT
- APPLICATION:
- INTAKE
- MODEL:
- BLACK DIAMOND™
- PRODUCT NAME:
- CYLINDER HEAD SERVICE KIT
- SPRING LIFT IMPERIAL:
- 0.445'
$436.00 -
KIBBLEWHITE Cylinder Head Service Kit 60-61610
KIBBLEWHITE
$473.53Kits contain all items to completely refresh and upgrade cylinder heads for popular Dirt/MX and Side x Side models, Cylinder Head Service Kits include the below components:, Lightweight Racing Valve Spring kits with steel or titanium retainers, beehive...09263130- SKU:
- 09263130
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- APPLICATION:
- EXHAUST
- SPRING LIFT:
- 0,415'
- SPRING LIFT IMPERIAL:
- 0.415'
- SPRING OPEN PRESSURE:
- INTAKE 168 LB, EXHAUST 157 LB
- MATERIAL:
- TITANIUM
- UNITS:
- KIT
- APPLICATION:
- INTAKE
- MODEL:
- BLACK DIAMOND™
- PRODUCT NAME:
- CYLINDER HEAD SERVICE KIT
- MATERIAL:
- C630 BRONZE
- RIDING STYLE:
- OFF-ROAD
- SPRING SEAT PRESSURE:
- INTAKE 61 LB, EXHAUST 56 LB
$473.53 -
KIBBLEWHITE Cylinder Head Service Kit 80-82070
KIBBLEWHITE
$428.22Kits contain all items to completely refresh and upgrade cylinder heads for popular Dirt/MX and Side x Side models, Cylinder Head Service Kits include the below components:, Lightweight Racing Valve Spring kits with steel or titanium retainers, beehive...09263132- SKU:
- 09263132
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- APPLICATION:
- EXHAUST
- APPLICATION:
- INTAKE
- SPRING LIFT:
- 0,450'
- SPRING LIFT IMPERIAL:
- 0.450'
- SPRING OPEN PRESSURE:
- 155 LB
- SPRING SEAT PRESSURE:
- 46 LB
- MATERIAL:
- TITANIUM
- PRODUCT NAME:
- CYLINDER HEAD SERVICE KIT
- MATERIAL:
- C630 BRONZE
- MODEL:
- WHITE DIAMOND™
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$428.22 -
KIBBLEWHITE Cylinder Head Service Kit 80-82080
KIBBLEWHITE
$430.91Kits contain all items to completely refresh and upgrade cylinder heads for popular Dirt/MX and Side x Side models, Cylinder Head Service Kits include the below components:, Lightweight Racing Valve Spring kits with steel or titanium retainers, beehive...09263133- SKU:
- 09263133
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- APPLICATION:
- INTAKE
- SPRING SEAT PRESSURE:
- 54 LB
- MATERIAL:
- TITANIUM
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- UTV
- SPRING LIFT IMPERIAL:
- 0.480'
- MATERIAL:
- C630 BRONZE
- SPRING LIFT:
- 0,480'
- UNITS:
- KIT
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- CYLINDER HEAD SERVICE KIT
- SPRING OPEN PRESSURE:
- 195 LB
$430.91
