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 Exhaust Valve - Evolution 20-4170
KIBBLEWHITE
$29.81KIBBLEWHITE Exhaust Valve Evolution 20-4170One-piece stainless-steel, stellite-tipped valves impregnated by a special nitrided process with .002" depth and .0002" surface buildup to improve wear properties and reduce friction, This process provides...DS198974- SKU:
- DS198974
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- STEM DIAMETER IMPERIAL:
- 0.3096'
- APPLICATION:
- EXHAUST
- MODEL:
- BLACK DIAMOND™
- TULIP ANGLE:
- 29°
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
- HEAD DIAMETER IMPERIAL:
- 1.615'
- LENGTH IMPERIAL:
- 4.525'
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$29.81 -
KIBBLEWHITE Intake Valve - XL 20-4196
KIBBLEWHITE
$37.55KIBBLEWHITE Intake Valve XL 20-4196One-piece stainless-steel, stellite-tipped valves impregnated by a special nitrided process with .002" depth and .0002" surface buildup to improve wear properties and reduce friction, This process provides resistance to...DS198975- SKU:
- DS198975
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- HEAD DIAMETER IMPERIAL:
- 1.935'
- MODEL:
- BLACK DIAMOND™
- TULIP ANGLE:
- 23°
- APPLICATION:
- INTAKE
- LENGTH IMPERIAL:
- 3.620'
- RIDING STYLE:
- STREET
- STEM DIAMETER IMPERIAL:
- 0.3090'
- UNITS:
- EACH
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
$37.55 -
KIBBLEWHITE Exhaust Valve - XL 20-4197
KIBBLEWHITE
$37.55KIBBLEWHITE Exhaust Valve XL 20-4197One-piece stainless-steel, stellite-tipped valves impregnated by a special nitrided process with .002" depth and .0002" surface buildup to improve wear properties and reduce friction, This process provides resistance...DS198976- SKU:
- DS198976
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- APPLICATION:
- EXHAUST
- LENGTH IMPERIAL:
- 3.512'
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- STEM DIAMETER IMPERIAL:
- 0.3384'
- HEAD DIAMETER IMPERIAL:
- 1.570'
- MODEL:
- BLACK DIAMOND™
- TULIP ANGLE:
- 29°
$37.55 -
KIBBLEWHITE Intake Valve - 883 XL 20-20090
KIBBLEWHITE
$40.95KIBBLEWHITE Intake Valve 883 XL 20-20090One-piece stainless-steel, stellite-tipped valves impregnated by a special nitrided process with .002" depth and .0002" surface buildup to improve wear properties and reduce friction, This process provides...DS198806- SKU:
- DS198806
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- RIDING STYLE:
- STREET
- STEM DIAMETER IMPERIAL:
- 0.3100'
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- BLACK DIAMOND™
- PRODUCT NAME:
- VALVE
- LENGTH IMPERIAL:
- 4.550'
- TULIP ANGLE:
- 23°
- APPLICATION:
- INTAKE
- HEAD DIAMETER IMPERIAL:
- 1.585'
- UNITS:
- EACH
$40.95 -
KIBBLEWHITE Exhaust Valve - 883 XL 20-20092
KIBBLEWHITE
$40.95KIBBLEWHITE Exhaust Valve 883 XL 20-20092One-piece stainless-steel, stellite-tipped valves impregnated by a special nitrided process with .002" depth and .0002" surface buildup to improve wear properties and reduce friction, This process provides...DS198807- SKU:
- DS198807
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- APPLICATION:
- EXHAUST
- HEAD DIAMETER IMPERIAL:
- 1.350'
- MODEL:
- BLACK DIAMOND™
- LENGTH IMPERIAL:
- 4.640'
- RIDING STYLE:
- STREET
- STEM DIAMETER IMPERIAL:
- 0.3095'
- UNITS:
- EACH
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
- TULIP ANGLE:
- 17°
$40.95 -
KIBBLEWHITE Intake Valve 40-4372H
KIBBLEWHITE
$57.95KIBBLEWHITE Intake Valve 40-4372HWhite Diamond™ valves are CNC machined from one-piece forgings of EV8 Stainless Steel or Inconel-751, Electroplated with a 360º anode, to produce an even coat of the highest grade hard chrome finish, Made in the U.S.A.KW404372H- SKU:
- KW404372H
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- INTAKE
- HEAD DIAMETER METRIC:
- 29.00 MM
- MATERIAL:
- STEEL
- PRODUCT NAME:
- VALVE
- SIZE METRIC:
- STANDARD
- TULIP ANGLE:
- 20°
- MODEL:
- WHITE DIAMOND™
- RIDING STYLE:
- OFF-ROAD
- STEM DIAMETER IMPERIAL:
- 0.1765'
- UNITS:
- EACH
- LENGTH IMPERIAL:
- 3.360'
$57.95Qty in Cart: 0Quantity:Price:$57.95Subtotal: -
KIBBLEWHITE Exhaust Valve 40-4373H
KIBBLEWHITE
$57.95KIBBLEWHITE Exhaust Valve 40-4373HWhite Diamond™ valves are CNC machined from one-piece forgings of EV8 Stainless Steel or Inconel-751, Electroplated with a 360º anode, to produce an even coat of the highest grade hard chrome finish, Made in the U.S.A.KW404373H- SKU:
- KW404373H
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- HEAD DIAMETER METRIC:
- 25.00 MM
- MATERIAL:
- STEEL
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- SIZE METRIC:
- STANDARD
- TULIP ANGLE:
- 20°
- APPLICATION:
- EXHAUST
- MODEL:
- WHITE DIAMOND™
- UNITS:
- EACH
- LENGTH IMPERIAL:
- 3.375'
- STEM DIAMETER IMPERIAL:
- 0.1760'
$57.95Qty in Cart: 0Quantity:Price:$57.95Subtotal: -
KIBBLEWHITE Exhaust Valve 80-80014
KIBBLEWHITE
$54.95KIBBLEWHITE Exhaust Valve 80-80014Black 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...KW8080014- SKU:
- KW8080014
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- STEM DIAMETER IMPERIAL:
- 0.2745'
- APPLICATION:
- EXHAUST
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- BLACK DIAMOND™
- PRODUCT NAME:
- VALVE
- TULIP ANGLE:
- 29°
- HEAD DIAMETER METRIC:
- 34.00 MM
- LENGTH IMPERIAL:
- 2.945'
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$54.95 -
KIBBLEWHITE Valve Spring Kit 80-80030
KIBBLEWHITE
$190.95KIBBLEWHITE Valve Spring Kit 80-80030Black 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...KW8080030- SKU:
- KW8080030
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- SPRING LIFT:
- 0,345'
- SPRING LIFT IMPERIAL:
- 0.345'
- SPRING OPEN PRESSURE:
- 145 LB
- TYPE:
- VALVE
- APPLICATION:
- EXHAUST
- RIDING STYLE:
- UTV
- APPLICATION:
- INTAKE
- MATERIAL:
- TITANIUM
- PRODUCT NAME:
- SPRING KIT
- MATERIAL:
- STEEL
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- SPRING SEAT PRESSURE:
- 55 LB
- UNITS:
- KIT
$190.95 -
KIBBLEWHITE Intake Valve Guide 80-80040
KIBBLEWHITE
$17.95KIBBLEWHITE Intake Valve Guide 80-80040All 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.KW8080040- SKU:
- KW8080040
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- AMPCO-45
- APPLICATION:
- INTAKE
- RIDING STYLE:
- ATV
- SIZE IMPERIAL:
- STANDARD
- UNITS:
- EACH
- OUTSIDE DIAMETER IMPERIAL:
- 0.4550'
- RIDING STYLE:
- UTV
- INSIDE DIAMETER IMPERIAL:
- 0.2345'
- PRODUCT NAME:
- VALVE GUIDE
$17.95 -
KIBBLEWHITE Exhaust Valve Guide 80-80050
KIBBLEWHITE
$17.95KIBBLEWHITE Exhaust Valve Guide 80-80050All 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.KW8080050- SKU:
- KW8080050
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- APPLICATION:
- EXHAUST
- MATERIAL:
- AMPCO-45
- RIDING STYLE:
- ATV
- SIZE IMPERIAL:
- STANDARD
- UNITS:
- EACH
- INSIDE DIAMETER IMPERIAL:
- 0.2348'
- OUTSIDE DIAMETER IMPERIAL:
- 0.4550'
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- VALVE GUIDE
$17.95 -
KIBBLEWHITE Exhaust Valve Guide 30-31480
KIBBLEWHITE
$22.95KIBBLEWHITE Exhaust Valve Guide 30-31480All 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.9261134- SKU:
- 9261134
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- APPLICATION:
- EXHAUST
- MATERIAL:
- C630 BRONZE
- SIZE IMPERIAL:
- STANDARD
- UNITS:
- EACH
- OUTSIDE DIAMETER IMPERIAL:
- 0.3965'
- PRODUCT NAME:
- VALVE GUIDE
- INSIDE DIAMETER IMPERIAL:
- 0.1760'
- RIDING STYLE:
- OFF-ROAD
$22.95Qty in Cart: 0Quantity:Price:$22.95Subtotal: -
KIBBLEWHITE Intake Valve 30-31462
KIBBLEWHITE
$39.95KIBBLEWHITE Intake Valve 30-31462Black 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...9261136- SKU:
- 9261136
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- HEAD DIAMETER METRIC:
- 30.50 MM
- LENGTH IMPERIAL:
- 3.500'
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- BLACK DIAMOND™
- PRODUCT NAME:
- VALVE
- STEM DIAMETER IMPERIAL:
- 0.1960'
- UNITS:
- EACH
- TULIP ANGLE:
- 20°
- APPLICATION:
- INTAKE
- RIDING STYLE:
- OFF-ROAD
$39.95 -
KIBBLEWHITE Exhaust Valve 30-31466
KIBBLEWHITE
$39.95KIBBLEWHITE Exhaust Valve 30-31466Black 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...9261138- SKU:
- 9261138
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- HEAD DIAMETER METRIC:
- 25.00 MM
- TULIP ANGLE:
- 20°
- APPLICATION:
- EXHAUST
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
- LENGTH IMPERIAL:
- 3.310'
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MODEL:
- BLACK DIAMOND™
- STEM DIAMETER IMPERIAL:
- 0.1760'
$39.95Qty in Cart: 0Quantity:Price:$39.95Subtotal: -
KIBBLEWHITE Intake Valve 80-8055H
KIBBLEWHITE
$54.95KIBBLEWHITE Intake Valve 80-8055HWhite Diamond™ valves are CNC machined from one-piece forgings of EV8 Stainless Steel or Inconel-751, Electroplated with a 360º anode, to produce an even coat of the highest grade hard chrome finish, Made in the U.S.A.KW808055H- SKU:
- KW808055H
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- STEM DIAMETER IMPERIAL:
- 0.1765'
- HEAD DIAMETER METRIC:
- 27.00 MM
- LENGTH IMPERIAL:
- 3.320'
- MATERIAL:
- STEEL
- PRODUCT NAME:
- VALVE
- SIZE METRIC:
- STANDARD
- APPLICATION:
- INTAKE
- UNITS:
- EACH
- MODEL:
- WHITE DIAMOND™
- RIDING STYLE:
- OFF-ROAD
- TULIP ANGLE:
- 15°
$54.95 -
KIBBLEWHITE Center Intake Valve 80-8056H
KIBBLEWHITE
$54.95KIBBLEWHITE Center Intake Valve 80-8056HWhite Diamond™ valves are CNC machined from one-piece forgings of EV8 Stainless Steel or Inconel-751, Electroplated with a 360º anode, to produce an even coat of the highest grade hard chrome finish, Made in the U...KW808056H- SKU:
- KW808056H
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- CENTER INTAKE
- LENGTH IMPERIAL:
- 3.280'
- TULIP ANGLE:
- 15°
- UNITS:
- EACH
- MATERIAL:
- STEEL
- MODEL:
- WHITE DIAMOND™
- RIDING STYLE:
- OFF-ROAD
- SIZE METRIC:
- STANDARD
- STEM DIAMETER IMPERIAL:
- 0.1765'
- HEAD DIAMETER METRIC:
- 27.00 MM
- PRODUCT NAME:
- VALVE
$54.95 -
KIBBLEWHITE Exhaust Valve 80-8057H
KIBBLEWHITE
$54.95KIBBLEWHITE Exhaust Valve 80-8057HWhite Diamond™ valves are CNC machined from one-piece forgings of EV8 Stainless Steel or Inconel-751, Electroplated with a 360º anode, to produce an even coat of the highest grade hard chrome finish, Made in the U.S.A.KW808057H- SKU:
- KW808057H
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- EXHAUST
- HEAD DIAMETER METRIC:
- 28.00 MM
- PRODUCT NAME:
- VALVE
- STEM DIAMETER IMPERIAL:
- 0.1955'
- UNITS:
- EACH
- MATERIAL:
- STEEL
- MODEL:
- WHITE DIAMOND™
- RIDING STYLE:
- OFF-ROAD
- SIZE METRIC:
- STANDARD
- TULIP ANGLE:
- 25°
- LENGTH IMPERIAL:
- 3.220'
$54.95 -
KIBBLEWHITE Intake Valve - Twin Cam 20-20108
KIBBLEWHITE
$54.95KIBBLEWHITE Intake Valve Twin Cam 20-20108One-piece stainless-steel, stellite-tipped valves impregnated by a special nitrided process with .002" depth and .0002" surface buildup to improve wear properties and reduce friction, This process provides...9260408- SKU:
- 9260408
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- STEM DIAMETER IMPERIAL:
- 0.3100'
- LENGTH IMPERIAL:
- 4.445'
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
- TULIP ANGLE:
- 23°
- APPLICATION:
- INTAKE
- UNITS:
- EACH
- HEAD DIAMETER IMPERIAL:
- 2.000'
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- STREET
$54.95 -
KIBBLEWHITE Intake Valve - Big Twin 20-4257
KIBBLEWHITE
$31.95KIBBLEWHITE Intake Valve Big Twin 20-4257One-piece stainless-steel, stellite-tipped valves impregnated by a special nitrided process with .002" depth and .0002" surface buildup to improve wear properties and reduce friction, This process provides...9260409- SKU:
- 9260409
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- HEAD DIAMETER IMPERIAL:
- 1.750'
- LENGTH IMPERIAL:
- 3.800'
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- STREET
- STEM DIAMETER IMPERIAL:
- 0.3765'
- TULIP ANGLE:
- 23°
- APPLICATION:
- INTAKE
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
- UNITS:
- EACH
$31.95 -
KIBBLEWHITE Exhaust Valve 30-30075
KIBBLEWHITE
$54.95KIBBLEWHITE Exhaust Valve 30-30075Black 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...KW3030075- SKU:
- KW3030075
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- HEAD DIAMETER METRIC:
- 23.50 MM
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- VALVE
- LENGTH IMPERIAL:
- 3.765'
- MODEL:
- BLACK DIAMOND™
- STEM DIAMETER IMPERIAL:
- 0.1955'
- TULIP ANGLE:
- 29°
$54.95
