Dirt Bike Engine Valves and Parts
J J Motorsports is a leading supplier of dirt bike engine parts and accessories. We carry a wide selection of 4 stroke engine valves from top brands like Wiseco and Vertex Racing. Whether you're looking for replacement valves or performance parts, we have what you need to keep your dirt bike running at peak performance. Our team is passionate about dirt bikes and we're here to help you get the most out of your ride. Contact us today with any questions or for help finding the right parts for your bike.
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- Qty in Cart
- Quantity
- Price
- Subtotal
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KIBBLEWHITE Spring Kit 40-41400
KIBBLEWHITE
$247.95KIBBLEWHITE Spring Kit 40-41400Spring kit is designed with increased spring rates and high lift compatibility compared to the stock springs, Compatible with boosted or turbocharged applications, CNC-machined titanium retainers and Cr-Si dual springs...09263092- SKU:
- 09263092
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- APPLICATION:
- INTAKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- APPLICATION:
- EXHAUST
- SPRING LIFT:
- 0,415'
- SPRING LIFT IMPERIAL:
- 0.415'
- SPRING OPEN PRESSURE:
- INTAKE 181 LB, EXHAUST 155 LB
- TYPE:
- VALVE
- MATERIAL:
- TITANIUM
- PRODUCT NAME:
- SPRING KIT
- SPRING SEAT PRESSURE:
- INTAKE 65 LB, EXHAUST 49 LB
$247.95Qty in Cart: 0Quantity:Price:$247.95Subtotal: -
KIBBLEWHITE Spring Kit - Intake Only 96-96540
KIBBLEWHITE
$208.95KIBBLEWHITE Spring Kit Intake Only 96-96540Stainless steel conversion kit includes only what's needed to convert your head to the long-life stainless steel Black Diamond intake valves, Extends the life of the valvetrain and intake components by as much...09263093- SKU:
- 09263093
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- PRODUCT NAME:
- VALVE KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- SPRING OPEN PRESSURE:
- 205 LB
- APPLICATION:
- INTAKE
- SPRING LIFT:
- 0,435'
- SPRING SEAT PRESSURE:
- 80 IB
- TYPE:
- CONVERSION
- MATERIAL:
- STAINLESS STEEL
- SPRING LIFT IMPERIAL:
- 0.435'
$208.95 -
KIBBLEWHITE Intake Valve Guide 40-40520
KIBBLEWHITE
$34.95KIBBLEWHITE Intake Valve Guide 40-40520Precision-machined from C630, Compatible with no-lead fuel and accept any type of valve-stem material, Provide maximum service with chromed valve stems, Feature a tapered nose design for maximum bearing service and...09263096- SKU:
- 09263096
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- INTAKE
- UNITS:
- EACH
- PRODUCT NAME:
- VALVE GUIDE
- COLOR/FINISH:
- BRONZE
- INSIDE DIAMETER IMPERIAL:
- 0.1765'
- SIZE IMPERIAL:
- STANDARD
- BASE COLOR:
- BROWN
- MATERIAL:
- C630 BRONZE
- OUTSIDE DIAMETER IMPERIAL:
- 0.3765'
- RIDING STYLE:
- OFF-ROAD
$34.95 -
KIBBLEWHITE Intake Valve Guide 80-80110
KIBBLEWHITE
$20.95KIBBLEWHITE Intake Valve Guide 80-80110Precision-machined from C630, Compatible with no-lead fuel and accept any type of valve-stem material, Provide maximum service with chromed valve stems, Feature a tapered nose design for maximum bearing service and...09263097- SKU:
- 09263097
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- INTAKE
- UNITS:
- EACH
- BASE COLOR:
- BROWN
- PRODUCT NAME:
- VALVE GUIDE
- MATERIAL:
- C630 BRONZE
- OUTSIDE DIAMETER IMPERIAL:
- 0.3957'
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- BRONZE
- INSIDE DIAMETER IMPERIAL:
- 0.1765'
- SIZE IMPERIAL:
- STANDARD
$20.95Qty in Cart: 0Quantity:Price:$20.95Subtotal: -
KIBBLEWHITE Exhaust Valve Guide 80-80120
KIBBLEWHITE
$20.95KIBBLEWHITE Exhaust Valve Guide 80-80120Precision-machined from C630, Compatible with no-lead fuel and accept any type of valve-stem material, Provide maximum service with chromed valve stems, Feature a tapered nose design for maximum bearing service and...09263098- SKU:
- 09263098
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- BASE COLOR:
- BROWN
- MATERIAL:
- C630 BRONZE
- OUTSIDE DIAMETER IMPERIAL:
- 0.3957'
- PRODUCT NAME:
- VALVE GUIDE
- COLOR/FINISH:
- BRONZE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- INSIDE DIAMETER IMPERIAL:
- 0.1955'
- APPLICATION:
- EXHAUST
- SIZE IMPERIAL:
- STANDARD
$20.95 -
KIBBLEWHITE Valve Guide Seal - Intake/Exhaust 71041-4
KIBBLEWHITE
$15.95KIBBLEWHITE Valve Guide Seal Intake/Exhaust 71041-4Viton intake/exhaust seals, Made in the U.S.A.09263099- SKU:
- 09263099
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- VITON
- PRODUCT NAME:
- SEAL
- TYPE:
- VALVE GUIDE
- UNITS:
- 4 PACK
- APPLICATION:
- INTAKE
- RIDING STYLE:
- OFF-ROAD
- STEM DIAMETER IMPERIAL:
- 0.320'
- APPLICATION:
- EXHAUST
- OUTSIDE DIAMETER IMPERIAL:
- 0.435'
$15.95 -
KIBBLEWHITE Exhaust Valve 30-30225
KIBBLEWHITE
$31.95KIBBLEWHITE Exhaust Valve 30-30225Black 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...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
$31.95 -
KIBBLEWHITE Intake Valve - Standard - CRF450R 30-32812T
KIBBLEWHITE
$92.51KIBBLEWHITE Intake Valve Standard CRF450R 30-32812TTensilite® 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...09263056- SKU:
- 09263056
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 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
$42.95KIBBLEWHITE Keeper Set 80-81330Keepers 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'
$42.95 -
KIBBLEWHITE Cylinder Head Service Kit 90-91400
KIBBLEWHITE
$1,021.95KIBBLEWHITE Cylinder Head Service Kit 90-91400Kits 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...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'
$1,021.95 -
KIBBLEWHITE Cylinder Head Service Kit 30-33300
KIBBLEWHITE
$449.95KIBBLEWHITE Cylinder Head Service Kit 30-33300Kits 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...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
$449.95 -
KIBBLEWHITE Cylinder Head Service Kit 30-33310
KIBBLEWHITE
$456.95KIBBLEWHITE Cylinder Head Service Kit 30-33310Kits 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...09263117- SKU:
- 09263117
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- MATERIAL:
- TITANIUM
- SPRING SEAT PRESSURE:
- 50 LB
- UNITS:
- KIT
- APPLICATION:
- EXHAUST
- SPRING LIFT:
- 0,385'
- MATERIAL:
- C630 BRONZE
- RIDING STYLE:
- OFF-ROAD
- SPRING LIFT IMPERIAL:
- 0.385'
- SPRING OPEN PRESSURE:
- 160 LB
- APPLICATION:
- INTAKE
- MODEL:
- BLACK DIAMOND™
- PRODUCT NAME:
- CYLINDER HEAD SERVICE KIT
$456.95 -
KIBBLEWHITE Cylinder Head Service Kit 30-33320
KIBBLEWHITE
$462.95KIBBLEWHITE Cylinder Head Service Kit 30-33320Kits 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...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
$462.95 -
KIBBLEWHITE Cylinder Head Service Kit 30-33330
KIBBLEWHITE
$499.95KIBBLEWHITE Cylinder Head Service Kit 30-33330Kits 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...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
$499.95 -
KIBBLEWHITE Cylinder Head Service Kit 30-33340
KIBBLEWHITE
$412.95KIBBLEWHITE Cylinder Head Service Kit 30-33340Kits 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...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'
$412.95 -
KIBBLEWHITE Cylinder Head Service Kit 30-33350
KIBBLEWHITE
$419.95KIBBLEWHITE Cylinder Head Service Kit 30-33350Kits 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...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
$419.95 -
KIBBLEWHITE Cylinder Head Service Kit 30-33360
KIBBLEWHITE
$512.95KIBBLEWHITE Cylinder Head Service Kit 30-33360Kits 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...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
$512.95 -
KIBBLEWHITE Cylinder Head Service Kit 40-41500
KIBBLEWHITE
$512.95KIBBLEWHITE Cylinder Head Service Kit 40-41500Kits 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...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
$512.95 -
KIBBLEWHITE Cylinder Head Service Kit 40-41510
KIBBLEWHITE
$512.95KIBBLEWHITE Cylinder Head Service Kit 40-41510Kits 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...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
$512.95 -
KIBBLEWHITE Cylinder Head Service Kit 40-41520
KIBBLEWHITE
$512.95KIBBLEWHITE Cylinder Head Service Kit 40-41520Kits 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...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
$512.95
