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 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...9262998- SKU:
- 9262998
- 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...9262999- SKU:
- 9262999
- 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...9263000- SKU:
- 9263000
- 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...9263001- SKU:
- 9263001
- 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...9263018- SKU:
- 9263018
- 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.9263019- SKU:
- 9263019
- 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...9263020- SKU:
- 9263020
- 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...9263021- SKU:
- 9263021
- 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...9263022- SKU:
- 9263022
- 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...9263023- SKU:
- 9263023
- 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...9263024- SKU:
- 9263024
- 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 -
On Sale
KIBBLEWHITE Exhaust Valve Guide 20-21032M
KIBBLEWHITE
MSRP: $13.95Now: $9.07Was: $13.95KIBBLEWHITE Exhaust Valve Guide 20-21032MPrecision-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...9263025- SKU:
- 9263025
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- EXHAUST
- INSIDE DIAMETER IMPERIAL:
- 0.2342'
- COLOR/FINISH:
- BRONZE
- BASE COLOR:
- BROWN
- MATERIAL:
- MANGANESE-BRONZE
- OUTSIDE DIAMETER IMPERIAL:
- 0,4770'
- PRODUCT NAME:
- VALVE GUIDE
- RIDING STYLE:
- STREET
- SIZE IMPERIAL:
- OVERSIZE (+0.002')
- UNITS:
- EACH
MSRP: $13.95Now: $9.07Was: $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.9263027- SKU:
- 9263027
- 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...9263028- SKU:
- 9263028
- 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...9263029- SKU:
- 9263029
- 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...9263030- SKU:
- 9263030
- 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...9263031- SKU:
- 9263031
- 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.9263032- SKU:
- 9263032
- 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 -
KIBBLEWHITE Intake Valve 82-82612
KIBBLEWHITE
$37.95KIBBLEWHITE Intake Valve 82-82612Black 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...9263033- SKU:
- 9263033
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- LENGTH IMPERIAL:
- 3.775'
- HEAD DIAMETER METRIC:
- 37.72 MM
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
- TULIP ANGLE:
- 17°
- APPLICATION:
- INTAKE
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- ATV
- STEM DIAMETER IMPERIAL:
- 0.2160'
- UNITS:
- EACH
$37.95 -
KIBBLEWHITE Intake Valve 82-82613
KIBBLEWHITE
$37.95KIBBLEWHITE Intake Valve 82-82613Black 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...9263034- SKU:
- 9263034
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- HEAD DIAMETER METRIC:
- 38.72 MM
- APPLICATION:
- INTAKE
- LENGTH IMPERIAL:
- 3.775'
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- ATV
- STEM DIAMETER IMPERIAL:
- 0.2160'
- UNITS:
- EACH
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
- TULIP ANGLE:
- 17°
$37.95
