Dirt Bike Engine
Explore our selection for dirt bike parts for adding horsepower or reliability to a dirt bike's engine. We feature engine parts from Wiseco, Vertex, and more common engine part manufacturers. Get new pistons and gasket kits for re-freshening engines to withstand any conditions you put your bike through!
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KIBBLEWHITE Spring Kit 30-32400
KIBBLEWHITE
$229.95KIBBLEWHITE Spring Kit 30-32400Spring kits contain springs and titanium upper collars; lower collars included as required; spring kits are engineered for use with standard and oversized valves, Spring kits come complete for one motor, Keepers are not...09262980- SKU:
- 09262980
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- APPLICATION:
- INTAKE
- RIDING STYLE:
- OFF-ROAD
- SPRING OPEN PRESSURE:
- 160 LB
- TYPE:
- VALVE
- UNITS:
- KIT
- MATERIAL:
- TITANIUM
- PRODUCT NAME:
- SPRING KIT
- SPRING LIFT IMPERIAL:
- 0.380'
- APPLICATION:
- EXHAUST
$229.95 -
KIBBLEWHITE Intake Valve - Standard - CRF250R 2016+ 30-32412
KIBBLEWHITE
$37.95KIBBLEWHITE Intake Valve Standard CRF250R 2016+ 30-32412Tensilite® 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...09262981- SKU:
- 09262981
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- INTAKE
- HEAD DIAMETER METRIC:
- 30.50 MM
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- STEM DIAMETER IMPERIAL:
- 0.1961'
- TULIP ANGLE:
- 20°
- UNITS:
- EACH
- MODEL:
- TENSILITE®
$37.95 -
On Sale
KIBBLEWHITE Intake Valve 30-32413
KIBBLEWHITE
MSRP: $37.95Now: $23.00Was: $37.95KIBBLEWHITE Intake Valve 30-32413Black 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...09262982- SKU:
- 09262982
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- INTAKE
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
- STEM DIAMETER IMPERIAL:
- 0.1961'
- TULIP ANGLE:
- 20°
- UNITS:
- EACH
- LENGTH IMPERIAL:
- 3.500'
- RIDING STYLE:
- OFF-ROAD
- HEAD DIAMETER METRIC:
- 31.50 MM
- MODEL:
- BLACK DIAMOND™
MSRP: $37.95Now: $23.00Was: $37.95 -
KIBBLEWHITE Exhaust Valve 30-32416
KIBBLEWHITE
$37.95KIBBLEWHITE Exhaust Valve 30-32416Black 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...09262983- SKU:
- 09262983
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- HEAD DIAMETER METRIC:
- 25.00 MM
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
- TULIP ANGLE:
- 20°
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- MODEL:
- BLACK DIAMOND™
- LENGTH IMPERIAL:
- 3.310'
- RIDING STYLE:
- OFF-ROAD
- STEM DIAMETER IMPERIAL:
- 0.1956'
$37.95 -
KIBBLEWHITE Valve Seal Kit 71014-4
KIBBLEWHITE
$14.95KIBBLEWHITE Valve Seal Kit 71014-4All 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.09262984- SKU:
- 09262984
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- EXHAUST
- UNITS:
- EACH
- MATERIAL:
- VITON
- PRODUCT NAME:
- SEAL
- RIDING STYLE:
- OFF-ROAD
- STEM DIAMETER METRIC:
- 4.50 MM
- TYPE:
- VALVE
- APPLICATION:
- INTAKE
- OUTSIDE DIAMETER IMPERIAL:
- 0.370'
$14.95 -
KIBBLEWHITE Exhaust Valve - Stantard - Tensilite® - CRF250R 30-32416T
KIBBLEWHITE
$109.33KIBBLEWHITE Exhaust Valve Stantard Tensilite® CRF250R 30-32416TTensilite® 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,...09262986- SKU:
- 09262986
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- EXHAUST
- RIDING STYLE:
- OFF-ROAD
- STEM DIAMETER IMPERIAL:
- 0.1956'
- PRODUCT NAME:
- VALVE
- TULIP ANGLE:
- 20°
- HEAD DIAMETER METRIC:
- 25.00 MM
- MATERIAL:
- TITANIUM
- MODEL:
- TENSILITE®
- UNITS:
- EACH
$109.33 -
KIBBLEWHITE Intake Valve 20-20935
KIBBLEWHITE
$51.79KIBBLEWHITE Intake Valve 20-20935Black 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...09262991- SKU:
- 09262991
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- BLACK DIAMOND™
- PRODUCT NAME:
- VALVE
- APPLICATION:
- INTAKE
- HEAD DIAMETER METRIC:
- 50.29 MM
- LENGTH IMPERIAL:
- 4.455'
- RIDING STYLE:
- STREET
- STEM DIAMETER IMPERIAL:
- 0.2757'
- TULIP ANGLE:
- 23°
- UNITS:
- EACH
$51.79 -
KIBBLEWHITE Intake Valve 20-20940
KIBBLEWHITE
$51.79KIBBLEWHITE Intake Valve 20-20940Black 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...09262992- SKU:
- 09262992
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- APPLICATION:
- INTAKE
- UNITS:
- EACH
- LENGTH IMPERIAL:
- 4.445'
- HEAD DIAMETER METRIC:
- 48.26 MM
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- STREET
- STEM DIAMETER IMPERIAL:
- 0.2757'
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
- TULIP ANGLE:
- 24°
$51.79 -
KIBBLEWHITE Exhaust Valve 20-20945
KIBBLEWHITE
$51.79KIBBLEWHITE Exhaust Valve 20-20945Black 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...09262993- SKU:
- 09262993
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- HEAD DIAMETER METRIC:
- 40.89 MM
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
- TULIP ANGLE:
- 25°
- STEM DIAMETER IMPERIAL:
- 0.2755'
- APPLICATION:
- EXHAUST
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- STREET
- LENGTH IMPERIAL:
- 4.545'
- UNITS:
- EACH
$51.79 -
KIBBLEWHITE Exhaust Valve 20-20950
KIBBLEWHITE
$51.79KIBBLEWHITE Exhaust Valve 20-20950Black 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...09262994- SKU:
- 09262994
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- UNITS:
- EACH
- STEM DIAMETER IMPERIAL:
- 0.2755'
- APPLICATION:
- EXHAUST
- LENGTH IMPERIAL:
- 4.560'
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- STREET
- HEAD DIAMETER METRIC:
- 40.00 MM
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
- TULIP ANGLE:
- 25°
$51.79 -
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
