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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Dirt Bike Cams and Parts
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Dirt Bike Connecting Rods and Parts
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Dirt Bike Crankcases and Parts
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Dirt Bike Crankshafts and Parts
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Dirt Bike Cylinder Heads and Parts
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Dirt Bike Cylinders and Parts
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Dirt Bike Engine Bearings
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Dirt Bike Engine Covers
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Dirt Bike Engine Gaskets and Kits
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Dirt Bike Engine Rebuild Kits
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Dirt Bike Engine Seals - Orings and Kits
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Dirt Bike Engine Valves and Parts
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Dirt Bike Flywheel and Rod Assemblies
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Dirt Bike Fuel Filters
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Dirt Bike Miscellaneous Engine Parts
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Dirt Bike Oil Coolers
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Dirt Bike Oil Filters
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Dirt Bike Oil Lines
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Dirt Bike Oil Pumps
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Dirt Bike Piston and Ring Kits
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Dirt Bike Piston Rings Only
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Dirt Bike Wrist Pins and Circlips
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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KIBBLEWHITE Cylinder Head Service Kit 80-82090
KIBBLEWHITE
$947.95KIBBLEWHITE Cylinder Head Service Kit 80-82090Kits 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...9263134- SKU:
- 9263134
- Availability:
- Ships Same Business Day
- Weight:
- 2.95 LBS
- APPLICATION:
- EXHAUST
- APPLICATION:
- INTAKE
- SPRING LIFT:
- 0,445'
- MODEL:
- BLACK DIAMOND™
- SPRING SEAT PRESSURE:
- 53 LB
- PRODUCT NAME:
- CYLINDER HEAD SERVICE KIT
- RIDING STYLE:
- ATV
- SPRING LIFT IMPERIAL:
- 0.445'
- SPRING OPEN PRESSURE:
- 167 LB
- MATERIAL:
- C630 BRONZE
- UNITS:
- KIT
$947.95 -
KIBBLEWHITE Spring Kit - Stainless Steel 30-32440
KIBBLEWHITE
$190.95KIBBLEWHITE Spring Kit Stainless Steel 30-32440Stainless 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...9262978- SKU:
- 9262978
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- APPLICATION:
- INTAKE
- MATERIAL:
- STAINLESS STEEL
- SPRING LIFT IMPERIAL:
- 0.380'
- SPRING OPEN PRESSURE:
- 160 LB
- TYPE:
- CONVERSION
- PRODUCT NAME:
- VALVE KIT
- SPRING LIFT:
- 0,380'
- RIDING STYLE:
- OFF-ROAD
- SPRING SEAT PRESSURE:
- 51 LB
- UNITS:
- KIT
$190.95 -
KIBBLEWHITE Spring Kit - Stainless Steel 30-31230
KIBBLEWHITE
$185.95KIBBLEWHITE Spring Kit Stainless Steel 30-31230Stainless 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...9262979- SKU:
- 9262979
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- APPLICATION:
- INTAKE
- MATERIAL:
- STAINLESS STEEL
- SPRING LIFT IMPERIAL:
- 0.440'
- PRODUCT NAME:
- VALVE KIT
- RIDING STYLE:
- OFF-ROAD
- SPRING OPEN PRESSURE:
- 147 LB
- SPRING SEAT PRESSURE:
- 40 LB
- TYPE:
- CONVERSION
- UNITS:
- KIT
- SPRING LIFT:
- 0,440'
$185.95 -
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...9262980- SKU:
- 9262980
- 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...9262981- SKU:
- 9262981
- 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: $24.67Was: $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...9262982- SKU:
- 9262982
- 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: $24.67Was: $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...9262983- SKU:
- 9262983
- 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.9262984- SKU:
- 9262984
- 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 Intake Valve - Stantard - Tensilite® - CRF250R 30-32412T
KIBBLEWHITE
$75.95KIBBLEWHITE Intake Valve Stantard Tensilite® CRF250R 30-32412TTensilite® 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,...9262985- SKU:
- 9262985
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$75.95Qty in Cart: 0Quantity:Price:$75.95Subtotal: -
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,...9262986- SKU:
- 9262986
- 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 Guide 30-32420
KIBBLEWHITE
$24.95KIBBLEWHITE Intake Valve Guide 30-32420All 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.9262987- SKU:
- 9262987
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$24.95Qty in Cart: 0Quantity:Price:$24.95Subtotal: -
KIBBLEWHITE Exhaust Valve Guide 30-32430
KIBBLEWHITE
$24.95KIBBLEWHITE Exhaust Valve Guide 30-32430All 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.9262988- SKU:
- 9262988
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$24.95Qty in Cart: 0Quantity:Price:$24.95Subtotal: -
KIBBLEWHITE Beehive Spring Kit 82-82560
KIBBLEWHITE
$232.95KIBBLEWHITE Beehive Spring Kit 82-82560By taking advantage of the latest development in valve spring wire chemistry and manufacturing techniques, By coupling these developments with strict KPMI® design protocols and employing multiple design simulation...9262989- SKU:
- 9262989
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
$232.95Qty in Cart: 0Quantity:Price:$232.95Subtotal: -
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...9262991- SKU:
- 9262991
- 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...9262992- SKU:
- 9262992
- 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...9262993- SKU:
- 9262993
- 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...9262994- SKU:
- 9262994
- 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...9262995- SKU:
- 9262995
- 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...9262996- SKU:
- 9262996
- 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°
$41.12Qty in Cart: 0Quantity:Price:$41.12Subtotal: -
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...9262997- SKU:
- 9262997
- 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
