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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KIBBLEWHITE Cylinder Head Service Kit 30-33490
KIBBLEWHITE
$404.95KIBBLEWHITE Cylinder Head Service Kit 30-33490Kits 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...09263226- SKU:
- 09263226
- Availability:
- Ships Same Business Day
- Weight:
- 1.95 LBS
- APPLICATION:
- EXHAUST
- SPRING OPEN PRESSURE:
- 185 LB
- SPRING SEAT PRESSURE:
- 70 LB
- RIDING STYLE:
- OFF-ROAD
- SPRING LIFT IMPERIAL:
- 0.400'
- UNITS:
- KIT
- APPLICATION:
- INTAKE
- MATERIAL:
- TITANIUM
- MODEL:
- BLACK DIAMOND™
- PRODUCT NAME:
- CYLINDER HEAD SERVICE KIT
- RIDING STYLE:
- STREET
- SPRING LIFT:
- 0,400'
- MATERIAL:
- C630 BRONZE
$404.95 -
KIBBLEWHITE Cylinder Head Service Kit 82-83210
KIBBLEWHITE
$668.95KIBBLEWHITE Cylinder Head Service Kit 82-83210Kits 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...09263227- SKU:
- 09263227
- Availability:
- Ships Same Business Day
- Weight:
- 2.60 LBS
- MATERIAL:
- C630 BRONZE
- PRODUCT NAME:
- CYLINDER HEAD SERVICE KIT
- SPRING OPEN PRESSURE:
- 205 LB
- UNITS:
- KIT
- APPLICATION:
- EXHAUST
- SPRING LIFT IMPERIAL:
- 0.435'
- APPLICATION:
- INTAKE
- MATERIAL:
- TITANIUM
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- ATV
- SPRING LIFT:
- 0,435'
- SPRING SEAT PRESSURE:
- 80 IB
$668.95 -
KIBBLEWHITE Cylinder Head Service Kit 82-83220
KIBBLEWHITE
$652.95KIBBLEWHITE Cylinder Head Service Kit 82-83220Kits 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...09263228- SKU:
- 09263228
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
- MATERIAL:
- C630 BRONZE
- MODEL:
- BLACK DIAMOND™
- PRODUCT NAME:
- CYLINDER HEAD SERVICE KIT
- SPRING LIFT:
- 0,435'
- SPRING OPEN PRESSURE:
- 205 LB
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- SPRING SEAT PRESSURE:
- 80 IB
- APPLICATION:
- EXHAUST
- SPRING LIFT IMPERIAL:
- 0.435'
$652.95 -
KIBBLEWHITE Valve Spring Kit 82-82550
KIBBLEWHITE
$232.95KIBBLEWHITE Valve Spring Kit 82-82550Black Diamond™ valves feature one-piece stainless steel construction with stellite tips and special impregnation to improve wear properties and reduce friction; White Diamond® valves feature one-piece construction and...09263229- SKU:
- 09263229
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- MATERIAL:
- VITON
- SPRING LIFT:
- 0,435'
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
- RIDING STYLE:
- ATV
- APPLICATION:
- EXHAUST
- SPRING LIFT IMPERIAL:
- 0.435'
- SPRING OPEN PRESSURE:
- 205 LB
- TYPE:
- VALVE
- PRODUCT NAME:
- SPRING KIT
- SPRING SEAT PRESSURE:
- 80 IB
- UNITS:
- KIT
$232.95 -
KIBBLEWHITE Cylinder Head Service Kit 82-83240
KIBBLEWHITE
$652.95KIBBLEWHITE Cylinder Head Service Kit 82-83240Kits 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...09263230- SKU:
- 09263230
- Availability:
- Ships Same Business Day
- Weight:
- 2.60 LBS
- UNITS:
- KIT
- APPLICATION:
- EXHAUST
- SPRING OPEN PRESSURE:
- 205 LB
- SPRING SEAT PRESSURE:
- 80 IB
- MATERIAL:
- C630 BRONZE
- MATERIAL:
- STEEL
- SPRING LIFT IMPERIAL:
- 0.435'
- APPLICATION:
- INTAKE
- MODEL:
- BLACK DIAMOND™
- PRODUCT NAME:
- CYLINDER HEAD SERVICE KIT
- RIDING STYLE:
- ATV
- SPRING LIFT:
- 0,435'
$652.95 -
KIBBLEWHITE Cylinder Head Service Kit 60-61790
KIBBLEWHITE
$335.95KIBBLEWHITE Cylinder Head Service Kit 60-61790Kits 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...09263232- SKU:
- 09263232
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- MATERIAL:
- TITANIUM
- RIDING STYLE:
- STREET
- APPLICATION:
- EXHAUST
- SPRING LIFT IMPERIAL:
- 0.440'
- MATERIAL:
- C630 BRONZE
- MODEL:
- WHITE DIAMOND™
- SPRING OPEN PRESSURE:
- 171 LB
- UNITS:
- KIT
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- CYLINDER HEAD SERVICE KIT
- RIDING STYLE:
- ATV
- SPRING LIFT:
- 0,440'
- SPRING SEAT PRESSURE:
- 57 LB
$335.95 -
KIBBLEWHITE Intake Valve - Standard - M8 20-21012H
KIBBLEWHITE
$31.95KIBBLEWHITE Intake Valve Standard M8 20-21012HExtensive R&D on all applications to provide high-performance components that last longer than OEM, Black Diamond valves are one-piece forgings made from 21-4N high-performance stainless steel, Trademarked...09263305- SKU:
- 09263305
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- STEM DIAMETER IMPERIAL:
- 0.2347'
- RIDING STYLE:
- STREET
- TULIP ANGLE:
- 10°
- UNITS:
- EACH
- APPLICATION:
- INTAKE
- HEAD DIAMETER IMPERIAL:
- 1.571'
- LENGTH IMPERIAL:
- 4.015'
- PRODUCT NAME:
- VALVE
$31.95 -
KIBBLEWHITE Exhaust Valve - Standard - M8 20-21016H
KIBBLEWHITE
$31.95KIBBLEWHITE Exhaust Valve Standard M8 20-21016HExtensive R&D on all applications to provide high-performance components that last longer than OEM, Black Diamond valves are one-piece forgings made from 21-4N high-performance stainless steel, Trademarked...09263306- SKU:
- 09263306
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- STREET
- APPLICATION:
- EXHAUST
- HEAD DIAMETER IMPERIAL:
- 1.264'
- LENGTH IMPERIAL:
- 4.050'
- TULIP ANGLE:
- 24°
- PRODUCT NAME:
- VALVE
- STEM DIAMETER IMPERIAL:
- 0.2342'
- UNITS:
- EACH
$31.95 -
KIBBLEWHITE Valve Kit - Knucklehead 20-22000
KIBBLEWHITE
$111.64KIBBLEWHITE Valve Kit Knucklehead 20-22000Full set of Black Diamond™ stainless steel standard size valves for engine applications listed, All valves are impregnated by a special process to a depth of .002” with a surface buildup of .0002”, This process...09263307- SKU:
- 09263307
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- VALVE KIT
- UNITS:
- KIT
- MATERIAL:
- STAINLESS STEEL
$111.64 -
KIBBLEWHITE Engine Kit - Knucklehead 20-22050
KIBBLEWHITE
$225.66KIBBLEWHITE Engine Kit Knucklehead 20-22050Kits include KPMI® or equivalent valve spring kit, a full set of Black Diamond™stainless steel standard size valves, H.T. Steel valve keepers and valve stem seals (where applicable) for engine applications...09263308- SKU:
- 09263308
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
- RIDING STYLE:
- STREET
- SPRING OPEN PRESSURE:
- 270 LB
- SPRING LIFT:
- 0,415'
- PRODUCT NAME:
- ENGINE KIT
- SPRING LIFT IMPERIAL:
- 0.415'
- SPRING SEAT PRESSURE:
- 127 LB
- UNITS:
- KIT
$225.66 -
KIBBLEWHITE Valve Kit - Panhead 20-22100
KIBBLEWHITE
$103.74KIBBLEWHITE Valve Kit Panhead 20-22100Full set of Black Diamond™ stainless steel standard size valves for engine applications listed, All valves are impregnated by a special process to a depth of .002” with a surface buildup of .0002”, This process...09263309- SKU:
- 09263309
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- PRODUCT NAME:
- VALVE KIT
$103.74 -
KIBBLEWHITE Engine Kit - Panhead 20-22150
KIBBLEWHITE
$227.89KIBBLEWHITE Engine Kit Panhead 20-22150Kits include KPMI® or equivalent valve spring kit, a full set of Black Diamond™stainless steel standard size valves, H.T. Steel valve keepers and valve stem seals (where applicable) for engine applications listed,...09263310- SKU:
- 09263310
- Availability:
- Ships Same Business Day
- Weight:
- 2.40 LBS
- RIDING STYLE:
- STREET
- SPRING OPEN PRESSURE:
- 272 LB
- SPRING SEAT PRESSURE:
- 129 LB
- UNITS:
- KIT
- PRODUCT NAME:
- ENGINE KIT
- SPRING LIFT IMPERIAL:
- 0.415'
- SPRING LIFT:
- 0,415'
$227.89 -
KIBBLEWHITE Valve Kit - XL 20-22200
KIBBLEWHITE
$115.51KIBBLEWHITE Valve Kit XL 20-22200Full set of Black Diamond™ stainless steel standard size valves for engine applications listed, All valves are impregnated by a special process to a depth of .002” with a surface buildup of .0002”, This process improves...09263311- SKU:
- 09263311
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE KIT
- UNITS:
- KIT
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- STREET
$115.51 -
KIBBLEWHITE Engine Kit - XL 20-22250
KIBBLEWHITE
$228.31KIBBLEWHITE Engine Kit XL 20-22250Kits include KPMI® or equivalent valve spring kit, a full set of Black Diamond™stainless steel standard size valves, H.T. Steel valve keepers and valve stem seals (where applicable) for engine applications listed, All...09263312- SKU:
- 09263312
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- SPRING LIFT:
- 0,400'
- SPRING OPEN PRESSURE:
- 325 LB
- RIDING STYLE:
- STREET
- SPRING LIFT IMPERIAL:
- 0.400'
- UNITS:
- KIT
- PRODUCT NAME:
- ENGINE KIT
- SPRING SEAT PRESSURE:
- 95 LB
$228.31 -
KIBBLEWHITE Valve Kit 20-22400
KIBBLEWHITE
$95.83KIBBLEWHITE Valve Kit 20-22400Full set of Black Diamond™ stainless steel standard size valves for engine applications listed, All valves are impregnated by a special process to a depth of .002” with a surface buildup of .0002”, This process improves...09263313- SKU:
- 09263313
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE KIT
- UNITS:
- KIT
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- STREET
$95.83 -
KIBBLEWHITE Engine Kit 20-22450
KIBBLEWHITE
$219.96KIBBLEWHITE Engine Kit 20-22450Kits include KPMI® or equivalent valve spring kit, a full set of Black Diamond™stainless steel standard size valves, H.T. Steel valve keepers and valve stem seals (where applicable) for engine applications listed, All...09263314- SKU:
- 09263314
- Availability:
- Ships Same Business Day
- Weight:
- 2.40 LBS
- SPRING LIFT:
- 0,415'
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- PRODUCT NAME:
- ENGINE KIT
- SPRING LIFT IMPERIAL:
- 0.415'
- SPRING OPEN PRESSURE:
- 272 LB
- SPRING SEAT PRESSURE:
- 129 LB
$219.96 -
KIBBLEWHITE Valve Kit 20-22500
KIBBLEWHITE
$95.83KIBBLEWHITE Valve Kit 20-22500Full set of Black Diamond™ stainless steel standard size valves for engine applications listed, All valves are impregnated by a special process to a depth of .002” with a surface buildup of .0002”, This process improves...09263315- SKU:
- 09263315
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- PRODUCT NAME:
- VALVE KIT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- BLACK DIAMOND™
$95.83 -
KIBBLEWHITE Engine Kit 20-22550
KIBBLEWHITE
$219.96KIBBLEWHITE Engine Kit 20-22550Kits include KPMI® or equivalent valve spring kit, a full set of Black Diamond™stainless steel standard size valves, H.T. Steel valve keepers and valve stem seals (where applicable) for engine applications listed, All...09263316- SKU:
- 09263316
- Availability:
- Ships Same Business Day
- Weight:
- 2.40 LBS
- PRODUCT NAME:
- ENGINE KIT
- SPRING LIFT IMPERIAL:
- 0.415'
- SPRING LIFT:
- 0,415'
- RIDING STYLE:
- STREET
- SPRING SEAT PRESSURE:
- 129 LB
- SPRING OPEN PRESSURE:
- 272 LB
- UNITS:
- KIT
$219.96 -
KIBBLEWHITE Valve Spring Kit - Beehive 91-91300
KIBBLEWHITE
$409.95KIBBLEWHITE Valve Spring Kit Beehive 91-91300Progressively wound springs using Kobe super-clean, chrome silicon-based wire that is heat treated and shot peened, Tight-tolerance, FEA-designed hardened steel Posi-Loc™ style upper retainers to ensure...09263317- SKU:
- 09263317
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- APPLICATION:
- EXHAUST
- SPRING OPEN PRESSURE:
- 161 LB
- TYPE:
- VALVE
- STYLE:
- OVATE WIRE BEEHIVE
- UNITS:
- KIT
- MATERIAL:
- STEEL
- RIDING STYLE:
- UTV
- SPRING LIFT IMPERIAL:
- 0.350'
- SPRING SEAT PRESSURE:
- 51 LB
- APPLICATION:
- INTAKE
- COLLAR MATERIAL:
- STEEL
- PRODUCT NAME:
- SPRING KIT
$409.95 -
KIBBLEWHITE Valve Guide - Standard - Intake/Exhaust 91-91320M
KIBBLEWHITE
$14.95KIBBLEWHITE Valve Guide Standard Intake/Exhaust 91-91320MAll valve guides are made of Ampco-45, a high-performance compound with 80% copper content to provide great heat conductivity and 5% nickel content for wear resistance, Made in the U.S.A.09263318- SKU:
- 09263318
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- EXHAUST
- SIZE IMPERIAL:
- STANDARD
- UNITS:
- EACH
- INSIDE DIAMETER IMPERIAL:
- 0.1955'
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- VALVE GUIDE
- OUTSIDE DIAMETER IMPERIAL:
- 0.3565'
- RIDING STYLE:
- OFF-ROAD
$14.95
