Dirt Bike Engine Valves and Parts

Dirt Bike Engine Valves and Parts

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.

  • KIBBLEWHITE Top End Service Kit 60-61850

    KIBBLEWHITE Top End Service Kit 60-61850

    KIBBLEWHITE

    $660.02
    KIBBLEWHITE Top End Service Kit 60-61850Kit includes all necessary parts for a complete top-end service/rebuild: pistons, piston rings, piston pins, gaskets, valves, and valve springs, Pistons fully machined from 2618 aluminum alloy with a performance...
    09263290
    SKU:
    09263290
    Availability:
    Ships Same Business Day
    Weight:
    1.85 LBS
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    TOP END SERVICE KIT
    $660.02
  • KIBBLEWHITE Intake Valve Guide 82-82270

    KIBBLEWHITE Intake Valve Guide 82-82270

    KIBBLEWHITE

    $18.95
    KIBBLEWHITE Intake Valve Guide 82-82270Precision-machined guides, Manganese bronze guide material is softer than nickel aluminum bronze valve guides, Excellent heat conductivity which promotes long valve life, Guides can be easily reamed with a...
    09263291
    SKU:
    09263291
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    INSIDE DIAMETER IMPERIAL:
    0.2155'
    MATERIAL:
    BRONZE
    OUTSIDE DIAMETER IMPERIAL:
    0.4353'
    SIZE IMPERIAL:
    STANDARD
    APPLICATION:
    INTAKE
    PRODUCT NAME:
    VALVE GUIDE
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    $18.95
  • KIBBLEWHITE Exhaust Valve Guide 82-82420

    KIBBLEWHITE Exhaust Valve Guide 82-82420

    KIBBLEWHITE

    $18.95
    KIBBLEWHITE Exhaust Valve Guide 82-82420Precision-machined guides, Manganese bronze guide material is softer than nickel aluminum bronze valve guides, Excellent heat conductivity which promotes long valve life, Guides can be easily reamed with a...
    09263292
    SKU:
    09263292
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    PRODUCT NAME:
    VALVE GUIDE
    INSIDE DIAMETER IMPERIAL:
    0.2155'
    OUTSIDE DIAMETER IMPERIAL:
    0.4353'
    APPLICATION:
    EXHAUST
    MATERIAL:
    BRONZE
    SIZE IMPERIAL:
    STANDARD
    $18.95
  • On Sale
    KIBBLEWHITE Valve Spring Kit 82-83300

    KIBBLEWHITE Valve Spring Kit 82-83300

    KIBBLEWHITE

    MSRP: $355.95
    Now: $214.00
    Was: $355.95
    KIBBLEWHITE Valve Spring Kit 82-83300Black 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...
    09263293
    SKU:
    09263293
    Availability:
    Ships Same Business Day
    Weight:
    1.10 LBS
    APPLICATION:
    INTAKE
    SPRING LIFT IMPERIAL:
    0.450'
    RIDING STYLE:
    UTV
    APPLICATION:
    EXHAUST
    SPRING OPEN PRESSURE:
    181 LB
    TYPE:
    VALVE
    MATERIAL:
    TITANIUM
    PRODUCT NAME:
    SPRING KIT
    SPRING LIFT:
    0,450'
    SPRING SEAT PRESSURE:
    64 LB
    UNITS:
    KIT
    MSRP: $355.95
    Now: $214.00
    Was: $355.95
  • On Sale
    KIBBLEWHITE Valve Spring Kit 82-83350

    KIBBLEWHITE Valve Spring Kit 82-83350

    KIBBLEWHITE

    MSRP: $262.95
    Now: $170.92
    Was: $262.95
    KIBBLEWHITE Valve Spring Kit 82-83350Black 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...
    09263294
    SKU:
    09263294
    Availability:
    Ships Same Business Day
    Weight:
    1.30 LBS
    APPLICATION:
    EXHAUST
    PRODUCT NAME:
    SPRING KIT
    SPRING LIFT:
    0,450'
    TYPE:
    VALVE
    RIDING STYLE:
    UTV
    SPRING SEAT PRESSURE:
    64 LB
    MATERIAL:
    HIGH TENSILE STEEL
    UNITS:
    KIT
    APPLICATION:
    INTAKE
    SPRING LIFT IMPERIAL:
    0.450'
    SPRING OPEN PRESSURE:
    181 LB
    MSRP: $262.95
    Now: $170.92
    Was: $262.95
  • On Sale
    KIBBLEWHITE Valve Spring Kit 82-83400

    KIBBLEWHITE Valve Spring Kit 82-83400

    KIBBLEWHITE

    MSRP: $355.95
    Now: $214.00
    Was: $355.95
    KIBBLEWHITE Valve Spring Kit 82-83400Black 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...
    09263295
    SKU:
    09263295
    Availability:
    Ships Same Business Day
    Weight:
    1.25 LBS
    APPLICATION:
    INTAKE
    PRODUCT NAME:
    SPRING KIT
    RIDING STYLE:
    ATV
    SPRING LIFT IMPERIAL:
    0.450'
    MATERIAL:
    TITANIUM
    MATERIAL:
    VITON
    SPRING SEAT PRESSURE:
    64 LB
    APPLICATION:
    EXHAUST
    SPRING OPEN PRESSURE:
    181 LB
    TYPE:
    VALVE
    MATERIAL:
    HIGH TENSILE STEEL
    SPRING LIFT:
    0,450'
    UNITS:
    KIT
    MSRP: $355.95
    Now: $214.00
    Was: $355.95
  • KIBBLEWHITE Valve Spring Kit 82-83450

    KIBBLEWHITE Valve Spring Kit 82-83450

    KIBBLEWHITE

    $262.95
    KIBBLEWHITE Valve Spring Kit 82-83450Black 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...
    09263296
    SKU:
    09263296
    Availability:
    Ships Same Business Day
    Weight:
    1.30 LBS
    APPLICATION:
    EXHAUST
    PRODUCT NAME:
    SPRING KIT
    SPRING LIFT:
    0,450'
    TYPE:
    VALVE
    SPRING OPEN PRESSURE:
    181 LB
    SPRING SEAT PRESSURE:
    64 LB
    UNITS:
    KIT
    MATERIAL:
    HIGH TENSILE STEEL
    MATERIAL:
    VITON
    RIDING STYLE:
    UTV
    APPLICATION:
    INTAKE
    SPRING LIFT IMPERIAL:
    0.450'
    $262.95
  • KIBBLEWHITE Valve Spring Kit 82-83000

    KIBBLEWHITE Valve Spring Kit 82-83000

    KIBBLEWHITE

    $262.95
    KIBBLEWHITE Valve Spring Kit 82-83000Black 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...
    09263298
    SKU:
    09263298
    Availability:
    Ships Same Business Day
    Weight:
    1.35 LBS
    MATERIAL:
    HIGH TENSILE STEEL
    MATERIAL:
    VITON
    SPRING LIFT IMPERIAL:
    0.450'
    UNITS:
    KIT
    APPLICATION:
    EXHAUST
    RIDING STYLE:
    UTV
    SPRING OPEN PRESSURE:
    200 LB
    SPRING SEAT PRESSURE:
    65 LB
    TYPE:
    VALVE
    APPLICATION:
    INTAKE
    PRODUCT NAME:
    SPRING KIT
    SPRING LIFT:
    0,450'
    $262.95
  • KIBBLEWHITE Valve Guide Seal 71010-4

    KIBBLEWHITE Valve Guide Seal 71010-4

    KIBBLEWHITE

    $7.95
    KIBBLEWHITE Valve Guide Seal 71010-4Solid Viton® and solid PTFE seals utilize choker spring and lower tension spring to maintain optimal seal under high heat/stress conditions, For use with stock intake and exhaust valve guides, Made in the U.S.A.
    09263204
    SKU:
    09263204
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MATERIAL:
    VITON
    PRODUCT NAME:
    SEAL
    UNITS:
    4 PACK
    RIDING STYLE:
    STREET
    APPLICATION:
    EXHAUST
    APPLICATION:
    INTAKE
    LENGTH IMPERIAL:
    0.412'
    OUTSIDE DIAMETER IMPERIAL:
    0.5660'
    STEM DIAMETER IMPERIAL:
    5/16'
    TYPE:
    VALVE
    $7.95
  • KIBBLEWHITE Valve Guide Seal 71011-4

    KIBBLEWHITE Valve Guide Seal 71011-4

    KIBBLEWHITE

    $8.95
    KIBBLEWHITE Valve Guide Seal 71011-4Solid Viton® and solid PTFE seals utilize choker spring and lower tension spring to maintain optimal seal under high heat/stress conditions, For use with stock intake and exhaust valve guides, Made in the U.S.A.
    09263205
    SKU:
    09263205
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    LENGTH IMPERIAL:
    0.516'
    OUTSIDE DIAMETER IMPERIAL:
    0.661'
    STEM DIAMETER IMPERIAL:
    3/8'
    RIDING STYLE:
    STREET
    TYPE:
    VALVE
    MATERIAL:
    VITON
    PRODUCT NAME:
    SEAL
    UNITS:
    4 PACK
    $8.95
  • KIBBLEWHITE Spring Kit - Steel 80-81700

    KIBBLEWHITE Spring Kit - Steel 80-81700

    KIBBLEWHITE

    $327.95
    KIBBLEWHITE Spring Kit Steel 80-81700Spring 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...
    09263206
    SKU:
    09263206
    Availability:
    Ships Same Business Day
    Weight:
    1.25 LBS
    APPLICATION:
    INTAKE
    MATERIAL:
    STEEL
    SPRING OPEN PRESSURE:
    167 LB
    RIDING STYLE:
    UTV
    SPRING LIFT IMPERIAL:
    0.445'
    APPLICATION:
    EXHAUST
    SPRING LIFT:
    0,445'
    TYPE:
    VALVE
    PRODUCT NAME:
    SPRING KIT
    SPRING SEAT PRESSURE:
    53 LB
    UNITS:
    KIT
    $327.95
  • KIBBLEWHITE Valve Kit - Sportster 20-22300

    KIBBLEWHITE Valve Kit - Sportster 20-22300

    KIBBLEWHITE

    $103.74
    KIBBLEWHITE Valve Kit Sportster 20-22300Full 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...
    09263207
    SKU:
    09263207
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    PRODUCT NAME:
    VALVE KIT
    UNITS:
    KIT
    MATERIAL:
    STAINLESS STEEL
    MODEL:
    BLACK DIAMOND™
    RIDING STYLE:
    STREET
  • KIBBLEWHITE Complete Valve Kit 20-22350

    KIBBLEWHITE Complete Valve Kit 20-22350

    KIBBLEWHITE

    $216.54
    KIBBLEWHITE Complete Valve Kit 20-22350Kits 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,...
    09263208
    SKU:
    09263208
    Availability:
    Ships Same Business Day
    Weight:
    1.75 LBS
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    ENGINE KIT
    SPRING LIFT IMPERIAL:
    0.400'
    SPRING SEAT PRESSURE:
    95 LB
    UNITS:
    KIT
    SPRING OPEN PRESSURE:
    325 LB
    MODEL:
    BLACK DIAMOND™
    RIDING STYLE:
    STREET
    SPRING LIFT:
    0,400'
    $216.54
  • KIBBLEWHITE Complete Valve Kit - Evolution 20-22650

    KIBBLEWHITE Complete Valve Kit - Evolution 20-22650

    KIBBLEWHITE

    $235.48
    KIBBLEWHITE Complete Valve Kit Evolution 20-22650Kits 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...
    09263210
    SKU:
    09263210
    Availability:
    Ships Same Business Day
    Weight:
    2.15 LBS
    RIDING STYLE:
    STREET
    SPRING OPEN PRESSURE:
    361 LB
    SPRING LIFT IMPERIAL:
    0.600'
    UNITS:
    KIT
    MODEL:
    BLACK DIAMOND™
    SPRING SEAT PRESSURE:
    163 LB
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    ENGINE KIT
    SPRING LIFT:
    0,600'
    $235.48
  • KIBBLEWHITE Valve Kit - Evolution/883 20-22700

    KIBBLEWHITE Valve Kit - Evolution/883 20-22700

    KIBBLEWHITE

    $135.95
    KIBBLEWHITE Valve Kit Evolution/883 20-22700Full 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...
    09263211
    SKU:
    09263211
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE KIT
    UNITS:
    KIT
    MODEL:
    BLACK DIAMOND™
    RIDING STYLE:
    STREET
    $135.95
  • KIBBLEWHITE Complete Valve Kit - Evolution/883 20-22750

    KIBBLEWHITE Complete Valve Kit - Evolution/883 20-22750

    KIBBLEWHITE

    $274.84
    KIBBLEWHITE Complete Valve Kit Evolution/883 20-22750Kits 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...
    09263212
    SKU:
    09263212
    Availability:
    Ships Same Business Day
    Weight:
    2.05 LBS
    SPRING SEAT PRESSURE:
    163 LB
    UNITS:
    KIT
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    ENGINE KIT
    SPRING OPEN PRESSURE:
    361 LB
    MODEL:
    BLACK DIAMOND™
    RIDING STYLE:
    STREET
    SPRING LIFT:
    0,600'
    SPRING LIFT IMPERIAL:
    0.600'
    $274.84
  • KIBBLEWHITE Complete Valve Kit - M8 20-23350

    KIBBLEWHITE Complete Valve Kit - M8 20-23350

    KIBBLEWHITE

    $555.95
    KIBBLEWHITE Complete Valve Kit M8 20-23350Kits 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...
    09263222
    SKU:
    09263222
    Availability:
    Ships Same Business Day
    Weight:
    2.35 LBS
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    ENGINE KIT
    MODEL:
    BLACK DIAMOND™
    RIDING STYLE:
    STREET
    SPRING LIFT:
    0,465'
    SPRING LIFT IMPERIAL:
    0.465'
    SPRING OPEN PRESSURE:
    212 LB
    SPRING SEAT PRESSURE:
    80 IB
    UNITS:
    KIT
    $555.95
  • KIBBLEWHITE Cylinder Head Service Kit 30-33430

    KIBBLEWHITE Cylinder Head Service Kit 30-33430

    KIBBLEWHITE

    $451.95
    KIBBLEWHITE Cylinder Head Service Kit 30-33430Kits 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...
    09263223
    SKU:
    09263223
    Availability:
    Ships Same Business Day
    Weight:
    0.85 LBS
    APPLICATION:
    INTAKE
    MATERIAL:
    C630 BRONZE
    MATERIAL:
    TITANIUM
    MODEL:
    BLACK DIAMOND™
    SPRING SEAT PRESSURE:
    45 LB
    RIDING STYLE:
    OFF-ROAD
    SPRING LIFT IMPERIAL:
    0.350'
    UNITS:
    KIT
    APPLICATION:
    EXHAUST
    PRODUCT NAME:
    CYLINDER HEAD SERVICE KIT
    SPRING LIFT:
    0,350'
    SPRING OPEN PRESSURE:
    143 LB
    $451.95
  • KIBBLEWHITE Cylinder Head Service Kit 30-33450

    KIBBLEWHITE Cylinder Head Service Kit 30-33450

    KIBBLEWHITE

    $412.95
    KIBBLEWHITE Cylinder Head Service Kit 30-33450Kits 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...
    09263224
    SKU:
    09263224
    Availability:
    Ships Same Business Day
    Weight:
    1.25 LBS
    APPLICATION:
    EXHAUST
    APPLICATION:
    INTAKE
    SPRING LIFT IMPERIAL:
    0.440'
    SPRING SEAT PRESSURE:
    INTAKE 40 LB, EXHAUST 70 LB
    MATERIAL:
    TITANIUM
    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
    $412.95
  • KIBBLEWHITE Cylinder Head Service Kit 30-33460

    KIBBLEWHITE Cylinder Head Service Kit 30-33460

    KIBBLEWHITE

    $388.95
    KIBBLEWHITE Cylinder Head Service Kit 30-33460Kits 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...
    09263225
    SKU:
    09263225
    Availability:
    Ships Same Business Day
    Weight:
    2.70 LBS
    APPLICATION:
    EXHAUST
    MATERIAL:
    TITANIUM
    SPRING LIFT:
    0,300'
    MATERIAL:
    C630 BRONZE
    SPRING OPEN PRESSURE:
    157 LB
    UNITS:
    KIT
    APPLICATION:
    INTAKE
    MODEL:
    BLACK DIAMOND™
    PRODUCT NAME:
    CYLINDER HEAD SERVICE KIT
    RIDING STYLE:
    ATV
    SPRING LIFT IMPERIAL:
    0.300'
    SPRING SEAT PRESSURE:
    70 LB
    $388.95