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 40-40656
KIBBLEWHITE
$31.95KIBBLEWHITE Exhaust Valve 40-40656Black 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...9262357- SKU:
- 9262357
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- EXHAUST
- MATERIAL:
- STAINLESS STEEL
- UNITS:
- EACH
- PRODUCT NAME:
- VALVE
- TULIP ANGLE:
- 20°
- HEAD DIAMETER METRIC:
- 31.01 MM
- LENGTH IMPERIAL:
- 3.030'
- MODEL:
- BLACK DIAMOND™
- STEM DIAMETER IMPERIAL:
- 0.2150'
$31.95 -
KIBBLEWHITE Spring Kit 40-40660
KIBBLEWHITE
$234.95KIBBLEWHITE Spring Kit 40-40660Spring 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...9262359- SKU:
- 9262359
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- APPLICATION:
- INTAKE
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- EXHAUST
- SPRING LIFT IMPERIAL:
- 0.415'
- SPRING OPEN PRESSURE:
- INTAKE 169 LB, EXHAUST 170 LB
- TYPE:
- VALVE
- MATERIAL:
- TITANIUM
- PRODUCT NAME:
- SPRING KIT
- UNITS:
- KIT
$234.95 -
KIBBLEWHITE Valve Guide 40-40670
KIBBLEWHITE
$15.95KIBBLEWHITE Valve Guide 40-40670All 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.9262360- SKU:
- 9262360
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- RIDING STYLE:
- OFF-ROAD
- INSIDE DIAMETER IMPERIAL:
- 0.2150'
- MATERIAL:
- NICKEL
- SIZE IMPERIAL:
- STANDARD
- MATERIAL:
- AMPCO-45
- OUTSIDE DIAMETER IMPERIAL:
- 0.4365'
- PRODUCT NAME:
- VALVE GUIDE
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- MATERIAL:
- BRONZE
$15.95 -
KIBBLEWHITE Intake Valve 40-40920
KIBBLEWHITE
$31.95KIBBLEWHITE Intake Valve 40-40920Black 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...9262372- SKU:
- 9262372
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- STEM DIAMETER IMPERIAL:
- 0.1960'
- LENGTH IMPERIAL:
- 3.610'
- MATERIAL:
- STAINLESS STEEL
- UNITS:
- EACH
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- UTV
- APPLICATION:
- INTAKE
- HEAD DIAMETER METRIC:
- 30.00 MM
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- ATV
- TULIP ANGLE:
- 10°
$31.95 -
KIBBLEWHITE Exhaust Valve 40-40925
KIBBLEWHITE
$31.95KIBBLEWHITE Exhaust Valve 40-40925Black 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...9262375- SKU:
- 9262375
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- LENGTH IMPERIAL:
- 3.655'
- APPLICATION:
- EXHAUST
- MATERIAL:
- STAINLESS STEEL
- UNITS:
- EACH
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- ATV
- STEM DIAMETER IMPERIAL:
- 0.1955'
- TULIP ANGLE:
- 10°
- HEAD DIAMETER METRIC:
- 27.00 MM
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- UTV
$31.95 -
KIBBLEWHITE Valve Guide 60-60730
KIBBLEWHITE
$15.95KIBBLEWHITE Valve Guide 60-60730All 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.9262381- SKU:
- 9262381
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MATERIAL:
- BRONZE
- OUTSIDE DIAMETER IMPERIAL:
- 0.4170'
- PRODUCT NAME:
- VALVE GUIDE
- APPLICATION:
- EXHAUST
- MATERIAL:
- AMPCO-45
- MATERIAL:
- NICKEL
- SIZE IMPERIAL:
- STANDARD
- INSIDE DIAMETER IMPERIAL:
- 0.2155'
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$15.95 -
KIBBLEWHITE Valve Seal - 6mm 71017-4
KIBBLEWHITE
$13.96KIBBLEWHITE Valve Seal 6mm 71017-4All 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.9262383- SKU:
- 9262383
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- STEM DIAMETER METRIC:
- 6.00 MM
- APPLICATION:
- EXHAUST
- OUTSIDE DIAMETER IMPERIAL:
- 0.4750'
- PRODUCT NAME:
- SEAL
- TYPE:
- VALVE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- MATERIAL:
- VITON
- UNITS:
- 4 PACK
$13.96 -
KIBBLEWHITE Exhaust Valve Guide 82-82380
KIBBLEWHITE
$19.95KIBBLEWHITE Exhaust Valve Guide 82-82380All 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.9262397- SKU:
- 9262397
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- EXHAUST
- MATERIAL:
- AMPCO-45
- PRODUCT NAME:
- VALVE GUIDE
- RIDING STYLE:
- ATV
- SIZE IMPERIAL:
- STANDARD
- INSIDE DIAMETER IMPERIAL:
- 0.2155'
- OUTSIDE DIAMETER IMPERIAL:
- 0.4353'
- UNITS:
- EACH
$19.95Qty in Cart: 0Quantity:Price:$19.95Subtotal: -
KIBBLEWHITE Intake Valve 82-82312
KIBBLEWHITE
$40.95KIBBLEWHITE Intake Valve 82-82312Black 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...9262400- SKU:
- 9262400
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- TULIP ANGLE:
- 25°
- MATERIAL:
- STAINLESS STEEL
- STEM DIAMETER IMPERIAL:
- 0.2357'
- UNITS:
- EACH
- APPLICATION:
- INTAKE
- HEAD DIAMETER METRIC:
- 35.00 MM
- LENGTH IMPERIAL:
- 4.510'
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- VALVE
$40.95 -
KIBBLEWHITE Spring Kit - .660" - Twin Cam 20-21550
KIBBLEWHITE
$214.95KIBBLEWHITE Spring Kit .660" Twin Cam 20-21550Stainless 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...9263002- SKU:
- 9263002
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- PRODUCT NAME:
- SPRING KIT
- SPRING OPEN PRESSURE:
- 371 LB
- SPRING SEAT PRESSURE:
- 178 LB
- UNITS:
- KIT
- APPLICATION:
- INTAKE
- RIDING STYLE:
- STREET
- APPLICATION:
- EXHAUST
- SPRING LIFT:
- 0,660'
- SPRING LIFT IMPERIAL:
- 0.660'
$214.95 -
KIBBLEWHITE Cylinder Dowels - Big Twin - XL 83070-4
KIBBLEWHITE
$13.95KIBBLEWHITE Cylinder Dowels Big Twin XL 83070-4CNC-machined dowels used for locating cylinder head, Made in the U.S.A.DS199772- SKU:
- DS199772
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- COLOR/FINISH:
- GRAY
- PRODUCT NAME:
- DOWEL
- RIDING STYLE:
- STREET
- TYPE:
- CYLINDER
- UNITS:
- 4 PACK
$13.95 -
KIBBLEWHITE Valve Kit - Evolution 20-22600
KIBBLEWHITE
$95.83KIBBLEWHITE Valve Kit Evolution 20-22600Full set of Black Diamond™ stainless steel standard size valves for engine applications listed, All valves are impregnated by a special process to a depth of .002” with a surface buildup of .0002”, This process...9263209- SKU:
- 9263209
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- PRODUCT NAME:
- VALVE KIT
- MODEL:
- BLACK DIAMOND™
- MATERIAL:
- STAINLESS STEEL
$95.83 -
KIBBLEWHITE Valve Guide Seal 71013-4
KIBBLEWHITE
$13.96KIBBLEWHITE Valve Guide Seal 71013-4Seals sold each, in 25 packs and 100 packs, Stem diameter 5/16"; guide o.d. .420", Seal driver and sleeves sold separately, Made in the U.S.A.9263166- SKU:
- 9263166
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- OUTSIDE DIAMETER IMPERIAL:
- 0.380'
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- STEM DIAMETER METRIC:
- 4.00 MM
- APPLICATION:
- EXHAUST
- MATERIAL:
- VITON
- PRODUCT NAME:
- SEAL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- 4 PACK
- APPLICATION:
- INTAKE
- TYPE:
- VALVE GUIDE
$13.96 -
K & N Crankcase Filter 62-1000
K & N
$35.95K & N Crankcase Filter 62-1000One-piece design with a rubber or chrome top, Can be mounted remotely, but will require vent hoses and clamps, Filters mounted direct can be pressed into rubber grommets in valve covers, All baseplates are chrome plated and...621000- SKU:
- 621000
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
$35.95Qty in Cart: 0Quantity:Price:$35.95Subtotal: -
KIBBLEWHITE Valve Guide 40-40570
KIBBLEWHITE
$15.95KIBBLEWHITE Valve Guide 40-40570All 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.9262660- SKU:
- 9262660
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- INTAKE
- RIDING STYLE:
- ATV
- MATERIAL:
- C630 BRONZE
- SIZE IMPERIAL:
- STANDARD
- APPLICATION:
- EXHAUST
- INSIDE DIAMETER IMPERIAL:
- 0.2150'
- OUTSIDE DIAMETER IMPERIAL:
- 0.4365'
- PRODUCT NAME:
- VALVE GUIDE
- UNITS:
- EACH
$15.95 -
KIBBLEWHITE Intake Valve Kit 60-60470
KIBBLEWHITE
$197.95KIBBLEWHITE Intake Valve Kit 60-60470Stainless 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 much as 4x...9262663- SKU:
- 9262663
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- APPLICATION:
- INTAKE
- SPRING LIFT:
- 0,445'
- TYPE:
- CONVERSION
- SPRING SEAT PRESSURE:
- 51 LB
- PRODUCT NAME:
- VALVE KIT
- RIDING STYLE:
- OFF-ROAD
- SPRING OPEN PRESSURE:
- 160 LB
- UNITS:
- KIT
- MATERIAL:
- STAINLESS STEEL
- SPRING LIFT IMPERIAL:
- 0.445'
$197.95 -
KIBBLEWHITE Valve Spring Kit 60-60650
KIBBLEWHITE
$221.95KIBBLEWHITE Valve Spring Kit 60-60650Spring 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...9262664- SKU:
- 9262664
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
$221.95Qty in Cart: 0Quantity:Price:$221.95Subtotal: -
KIBBLEWHITE Valve Guide 60-60670
KIBBLEWHITE
$15.95KIBBLEWHITE Valve Guide 60-60670All 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.9262667- SKU:
- 9262667
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- NICKEL
- SIZE IMPERIAL:
- STANDARD
- UNITS:
- EACH
- APPLICATION:
- INTAKE
- INSIDE DIAMETER IMPERIAL:
- 0.2155'
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- EXHAUST
- MATERIAL:
- BRONZE
- MATERIAL:
- AMPCO-45
- OUTSIDE DIAMETER IMPERIAL:
- 0.4170'
- PRODUCT NAME:
- VALVE GUIDE
$15.95 -
KIBBLEWHITE Intake Valve - Titanium - Yamaha 80-80912T
KIBBLEWHITE
$92.51KIBBLEWHITE Intake Valve Titanium Yamaha 80-80912TTensilite® 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...9262672- SKU:
- 9262672
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MATERIAL:
- TITANIUM
- MODEL:
- TENSILITE®
- STEM DIAMETER IMPERIAL:
- 0.1962'
- UNITS:
- EACH
- APPLICATION:
- INTAKE
- HEAD DIAMETER METRIC:
- 31.00 MM
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- TULIP ANGLE:
- 18°
$92.51 -
KIBBLEWHITE Exhaust Valve - Titanium - Yamaha 80-80916T
KIBBLEWHITE
$92.51KIBBLEWHITE Exhaust Valve Titanium Yamaha 80-80916TTensilite® 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...9262673- SKU:
- 9262673
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- TITANIUM
- MODEL:
- TENSILITE®
- STEM DIAMETER IMPERIAL:
- 0.1760'
- TULIP ANGLE:
- 30°
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- VALVE
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- HEAD DIAMETER METRIC:
- 25.00 MM
$92.51
