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 Intake Valve 20-20955
KIBBLEWHITE
$41.12KIBBLEWHITE Intake Valve 20-20955Black 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...09262995- SKU:
- 09262995
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- HEAD DIAMETER METRIC:
- 53.34 MM
- STEM DIAMETER IMPERIAL:
- 0.3108'
- TULIP ANGLE:
- 24°
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- BLACK DIAMOND™
- PRODUCT NAME:
- VALVE
- UNITS:
- EACH
- APPLICATION:
- INTAKE
- LENGTH IMPERIAL:
- 4.475'
- RIDING STYLE:
- STREET
$41.12 -
KIBBLEWHITE Exhaust Valve 20-20960
KIBBLEWHITE
$41.12KIBBLEWHITE Exhaust Valve 20-20960Black 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...09262996- SKU:
- 09262996
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- LENGTH IMPERIAL:
- 4.535'
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- STREET
- STEM DIAMETER IMPERIAL:
- 0.3106'
- APPLICATION:
- EXHAUST
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
- UNITS:
- EACH
- HEAD DIAMETER METRIC:
- 43.18 MM
- TULIP ANGLE:
- 25°
$41.12 -
KIBBLEWHITE Intake Valve 20-20965
KIBBLEWHITE
$41.12KIBBLEWHITE Intake Valve 20-20965Black 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...09262997- SKU:
- 09262997
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- STEM DIAMETER IMPERIAL:
- 0.3108'
- LENGTH IMPERIAL:
- 4.510'
- TULIP ANGLE:
- 25°
- APPLICATION:
- INTAKE
- HEAD DIAMETER METRIC:
- 51.31 MM
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
- UNITS:
- EACH
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- STREET
$41.12 -
KIBBLEWHITE Exhaust Valve 20-20970
KIBBLEWHITE
$41.12KIBBLEWHITE Exhaust Valve 20-20970Black 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...09262998- SKU:
- 09262998
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- EXHAUST
- HEAD DIAMETER METRIC:
- 40.89 MM
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- STREET
- LENGTH IMPERIAL:
- 4.565'
- TULIP ANGLE:
- 25°
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
- UNITS:
- EACH
- STEM DIAMETER IMPERIAL:
- 0.3106'
$41.12 -
KIBBLEWHITE Spring Kit - .610" - Evolution/Twin Cam 20-21300
KIBBLEWHITE
$184.99KIBBLEWHITE Spring Kit .610" Evolution/Twin Cam 20-21300Stainless steel conversion kit includes only what's needed to convert your head to the long-life stainless steel Black Diamond™ intake valves, Extend the life of the valvetrain and intake components...09262999- SKU:
- 09262999
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- PRODUCT NAME:
- SPRING KIT
- RIDING STYLE:
- STREET
- SPRING LIFT IMPERIAL:
- 0.610'
- SPRING SEAT PRESSURE:
- 175 LB
- APPLICATION:
- INTAKE
- UNITS:
- KIT
- APPLICATION:
- EXHAUST
- SPRING LIFT:
- 0,610'
- SPRING OPEN PRESSURE:
- 400 LB
$184.99 -
KIBBLEWHITE Spring Kit - .610" - Twin Cam 20-21400
KIBBLEWHITE
$184.99KIBBLEWHITE Spring Kit .610" Twin Cam 20-21400Stainless steel conversion kit includes only what's needed to convert your head to the long-life stainless steel Black Diamond™ intake valves, Extend the life of the valvetrain and intake components by as...09263000- SKU:
- 09263000
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- PRODUCT NAME:
- SPRING KIT
- RIDING STYLE:
- STREET
- APPLICATION:
- INTAKE
- UNITS:
- KIT
- SPRING LIFT IMPERIAL:
- 0.610'
- SPRING SEAT PRESSURE:
- 175 LB
- APPLICATION:
- EXHAUST
- SPRING LIFT:
- 0,610'
- SPRING OPEN PRESSURE:
- 400 LB
$184.99 -
KIBBLEWHITE Spring Kit - .660" - Evolution/Twin Cam 20-21500
KIBBLEWHITE
$207.95KIBBLEWHITE Spring Kit .660" Evolution/Twin Cam 20-21500Stainless steel conversion kit includes only what's needed to convert your head to the long-life stainless steel Black Diamond™ intake valves, Extend the life of the valvetrain and intake components...09263001- SKU:
- 09263001
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- APPLICATION:
- EXHAUST
- SPRING LIFT IMPERIAL:
- 0.660'
- APPLICATION:
- INTAKE
- SPRING LIFT:
- 0,660'
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SPRING KIT
- SPRING OPEN PRESSURE:
- 371 LB
- SPRING SEAT PRESSURE:
- 178 LB
- UNITS:
- KIT
$207.95 -
KIBBLEWHITE Exhaust Valve 20-21017H
KIBBLEWHITE
$37.95KIBBLEWHITE Exhaust Valve 20-21017HBlack 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...09263018- SKU:
- 09263018
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- LENGTH IMPERIAL:
- 4.050'
- STEM DIAMETER IMPERIAL:
- 0.2342'
- HEAD DIAMETER METRIC:
- 32.61 MM
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
- TULIP ANGLE:
- 24°
$37.95 -
KIBBLEWHITE Exhaust Valve - M8 20-21018K
KIBBLEWHITE
$47.95KIBBLEWHITE Exhaust Valve M8 20-21018KCNC-machined valve is made from one-piece forging of Inconel-751, 360° anode is used to produce the highest-grade hard chrome finish, Excellent-flow characteristics, Made in the U.S.A.09263019- SKU:
- 09263019
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- HEAD DIAMETER METRIC:
- 32.61 MM
- MODEL:
- WHITE DIAMOND™
- TULIP ANGLE:
- 24°
- APPLICATION:
- EXHAUST
- MATERIAL:
- INCONEL®
- PRODUCT NAME:
- VALVE
- LENGTH IMPERIAL:
- 4.050'
- RIDING STYLE:
- STREET
- STEM DIAMETER IMPERIAL:
- 0.2342'
- HEAD DIAMETER IMPERIAL:
- 1.284'
- UNITS:
- EACH
$47.95 -
KIBBLEWHITE Intake Valve Guide - M8 20-21020M
KIBBLEWHITE
$13.95KIBBLEWHITE Intake Valve Guide M8 20-21020MPrecision-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...09263020- SKU:
- 09263020
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- COLOR/FINISH:
- BRONZE
- INSIDE DIAMETER IMPERIAL:
- 0.2347'
- OUTSIDE DIAMETER IMPERIAL:
- 0.4750'
- SIZE IMPERIAL:
- STANDARD
- BASE COLOR:
- BROWN
- PRODUCT NAME:
- VALVE GUIDE
- RIDING STYLE:
- STREET
- APPLICATION:
- INTAKE
- UNITS:
- EACH
- MATERIAL:
- MANGANESE-BRONZE
$13.95 -
KIBBLEWHITE Intake Valve Guide - M8 - +0.001 20-21021M
KIBBLEWHITE
$13.95KIBBLEWHITE Intake Valve Guide M8 +0.001 20-21021MPrecision-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...09263021- SKU:
- 09263021
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- BASE COLOR:
- BROWN
- MATERIAL:
- MANGANESE-BRONZE
- OUTSIDE DIAMETER IMPERIAL:
- 0.4760'
- SIZE IMPERIAL:
- OVERSIZE (+0.001')
- PRODUCT NAME:
- VALVE GUIDE
- RIDING STYLE:
- STREET
- APPLICATION:
- INTAKE
- UNITS:
- EACH
- COLOR/FINISH:
- BRONZE
- INSIDE DIAMETER IMPERIAL:
- 0.2347'
$13.95 -
KIBBLEWHITE Intake Valve Guide - M8 - +0.002 20-21022M
KIBBLEWHITE
$13.95KIBBLEWHITE Intake Valve Guide M8 +0.002 20-21022MPrecision-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...09263022- SKU:
- 09263022
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- VALVE GUIDE
- RIDING STYLE:
- STREET
- APPLICATION:
- INTAKE
- COLOR/FINISH:
- BRONZE
- INSIDE DIAMETER IMPERIAL:
- 0.2347'
- OUTSIDE DIAMETER IMPERIAL:
- 0,4770'
- UNITS:
- EACH
- BASE COLOR:
- BROWN
- MATERIAL:
- C630 BRONZE
- SIZE IMPERIAL:
- OVERSIZE (+0.002')
$13.95 -
KIBBLEWHITE Exhaust Valve Guide 20-21030M
KIBBLEWHITE
$13.95KIBBLEWHITE Exhaust Valve Guide 20-21030MPrecision-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...09263023- SKU:
- 09263023
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- EXHAUST
- COLOR/FINISH:
- BRONZE
- INSIDE DIAMETER IMPERIAL:
- 0.2342'
- UNITS:
- EACH
- BASE COLOR:
- BROWN
- OUTSIDE DIAMETER IMPERIAL:
- 0.4750'
- PRODUCT NAME:
- VALVE GUIDE
- RIDING STYLE:
- STREET
- SIZE IMPERIAL:
- STANDARD
- MATERIAL:
- MANGANESE-BRONZE
$13.95 -
KIBBLEWHITE Exhaust Valve Guide 20-21031M
KIBBLEWHITE
$13.95KIBBLEWHITE Exhaust Valve Guide 20-21031MPrecision-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...09263024- SKU:
- 09263024
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- VALVE GUIDE
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- COLOR/FINISH:
- BRONZE
- OUTSIDE DIAMETER IMPERIAL:
- 0.4760'
- SIZE IMPERIAL:
- OVERSIZE (+0.001')
- APPLICATION:
- EXHAUST
- MATERIAL:
- MANGANESE-BRONZE
- BASE COLOR:
- BROWN
- INSIDE DIAMETER IMPERIAL:
- 0.2342'
$13.95 -
KIBBLEWHITE Valve Seal 71046-8
KIBBLEWHITE
$20.95KIBBLEWHITE Valve Seal 71046-8All valve seals are made of 100% solid Viton® for long life, Meet or exceed OEM specifications, When using Kibblewhite spring kits, Kibblewhite valve seals must be used because of spring clearances, Made in the U.S.A.09263027- SKU:
- 09263027
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- INTAKE
- RIDING STYLE:
- STREET
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- SEAL
- TYPE:
- VALVE
- OUTSIDE DIAMETER IMPERIAL:
- 1.170'
- STEM DIAMETER METRIC:
- 6.00 MM
- UNITS:
- SET OF 8
- MATERIAL:
- VITON
$20.95 -
KIBBLEWHITE Intake Valve 80-81312
KIBBLEWHITE
$37.95KIBBLEWHITE Intake Valve 80-81312Black 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...09263028- SKU:
- 09263028
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- INTAKE
- LENGTH IMPERIAL:
- 3.495'
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- MODEL:
- BLACK DIAMOND™
- HEAD DIAMETER METRIC:
- 31.00 MM
- STEM DIAMETER IMPERIAL:
- 0.1765'
- TULIP ANGLE:
- 15°
$37.95 -
KIBBLEWHITE Intake Valve 80-81313
KIBBLEWHITE
$37.95KIBBLEWHITE Intake Valve 80-81313Black 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...09263029- SKU:
- 09263029
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- LENGTH IMPERIAL:
- 3.495'
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
- UNITS:
- EACH
- HEAD DIAMETER METRIC:
- 32.00 MM
- APPLICATION:
- INTAKE
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- ATV
- TULIP ANGLE:
- 15°
- STEM DIAMETER IMPERIAL:
- 0.1765'
$37.95 -
KIBBLEWHITE Exhaust Valve 80-81316
KIBBLEWHITE
$37.95KIBBLEWHITE Exhaust Valve 80-81316Black 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...09263030- SKU:
- 09263030
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- MODEL:
- BLACK DIAMOND™
- STEM DIAMETER IMPERIAL:
- 0.1760'
- TULIP ANGLE:
- 25°
- HEAD DIAMETER METRIC:
- 26.00 MM
- LENGTH IMPERIAL:
- 3.470'
- APPLICATION:
- EXHAUST
$37.95 -
KIBBLEWHITE Exhaust Valve 80-81317
KIBBLEWHITE
$37.95KIBBLEWHITE Exhaust Valve 80-81317Black 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...09263031- SKU:
- 09263031
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- EXHAUST
- HEAD DIAMETER METRIC:
- 27.00 MM
- PRODUCT NAME:
- VALVE
- LENGTH IMPERIAL:
- 3.470'
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- MATERIAL:
- STAINLESS STEEL
- STEM DIAMETER IMPERIAL:
- 0.1760'
- TULIP ANGLE:
- 25°
$37.95Qty in Cart: 0Quantity:Price:$37.95Subtotal: -
KIBBLEWHITE Valve Guide 80-81320
KIBBLEWHITE
$15.95KIBBLEWHITE Valve Guide 80-81320All 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.09263032- SKU:
- 09263032
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- EXHAUST
- UNITS:
- EACH
- PRODUCT NAME:
- VALVE GUIDE
- MATERIAL:
- C630 BRONZE
- APPLICATION:
- INTAKE
- INSIDE DIAMETER IMPERIAL:
- 0.1760'
- OUTSIDE DIAMETER IMPERIAL:
- 0.3564'
- RIDING STYLE:
- ATV
- SIZE IMPERIAL:
- STANDARD
$15.95
