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 Valve Spring Kit 30-33650
KIBBLEWHITE
$229.95KIBBLEWHITE Valve Spring Kit 30-33650Spring kit is designed with increased spring rates and high lift compatibility compared to the stock springs, Compatible with boosted or turbocharged applications, CNC-machined titanium retainers and Cr-Si dual...9263285- SKU:
- 9263285
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- RIDING STYLE:
- STREET
- SPRING LIFT:
- 0,390'
- SPRING SEAT PRESSURE:
- 49 LB
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- SPRING KIT
- SPRING LIFT IMPERIAL:
- 0.390'
- TYPE:
- VALVE
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- SPRING OPEN PRESSURE:
- 160 LB
- UNITS:
- KIT
$229.95 -
KIBBLEWHITE Intake Valve 30-33662
KIBBLEWHITE
$37.95KIBBLEWHITE Intake Valve 30-33662Black 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...9263286- SKU:
- 9263286
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- LENGTH IMPERIAL:
- 3.280'
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- STREET
- APPLICATION:
- INTAKE
- HEAD DIAMETER METRIC:
- 30.00 MM
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- TULIP ANGLE:
- 20°
- UNITS:
- EACH
- STEM DIAMETER IMPERIAL:
- 0.1766'
$37.95 -
KIBBLEWHITE Exhaust Valve 30-33666
KIBBLEWHITE
$37.95KIBBLEWHITE Exhaust Valve 30-33666Black 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...9263287- SKU:
- 9263287
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$37.95Qty in Cart: 0Quantity:Price:$37.95Subtotal: -
KIBBLEWHITE Valve Guide 30-33670
KIBBLEWHITE
$24.95KIBBLEWHITE Valve Guide 30-33670All 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, Keepers are not included, Made in the U.S.A.9263288- SKU:
- 9263288
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- C630 BRONZE
- APPLICATION:
- EXHAUST
- INSIDE DIAMETER IMPERIAL:
- 0.1761'
- OUTSIDE DIAMETER IMPERIAL:
- 0.3566'
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- VALVE GUIDE
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$24.95Qty in Cart: 0Quantity:Price:$24.95Subtotal: -
KIBBLEWHITE Top End Service Kit 30-33700
KIBBLEWHITE
$660.02KIBBLEWHITE Top End Service Kit 30-33700Kit includes all necessary parts for a complete top-end service/rebuild: pistons, piston rings, piston pins, gaskets, valves, and valve springs, Pistons fully machined from 2618 aluminum alloy with a performance...9263289- SKU:
- 9263289
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- TOP END SERVICE KIT
$660.02 -
KIBBLEWHITE Top End Service Kit 60-61850
KIBBLEWHITE
$660.02KIBBLEWHITE Top End Service Kit 60-61850Kit includes all necessary parts for a complete top-end service/rebuild: pistons, piston rings, piston pins, gaskets, valves, and valve springs, Pistons fully machined from 2618 aluminum alloy with a performance...9263290- SKU:
- 9263290
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- TOP END SERVICE KIT
$660.02 -
KIBBLEWHITE Intake Valve Guide 82-82270
KIBBLEWHITE
$18.95KIBBLEWHITE Intake Valve Guide 82-82270Precision-machined guides, Manganese bronze guide material is softer than nickel aluminum bronze valve guides, Excellent heat conductivity which promotes long valve life, Guides can be easily reamed with a...9263291- SKU:
- 9263291
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- INSIDE DIAMETER IMPERIAL:
- 0.2155'
- MATERIAL:
- BRONZE
- OUTSIDE DIAMETER IMPERIAL:
- 0.4353'
- SIZE IMPERIAL:
- STANDARD
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- VALVE GUIDE
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$18.95 -
KIBBLEWHITE Exhaust Valve Guide 82-82420
KIBBLEWHITE
$18.95KIBBLEWHITE Exhaust Valve Guide 82-82420Precision-machined guides, Manganese bronze guide material is softer than nickel aluminum bronze valve guides, Excellent heat conductivity which promotes long valve life, Guides can be easily reamed with a...9263292- SKU:
- 9263292
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- PRODUCT NAME:
- VALVE GUIDE
- INSIDE DIAMETER IMPERIAL:
- 0.2155'
- OUTSIDE DIAMETER IMPERIAL:
- 0.4353'
- APPLICATION:
- EXHAUST
- MATERIAL:
- BRONZE
- SIZE IMPERIAL:
- STANDARD
$18.95 -
On Sale
KIBBLEWHITE Valve Spring Kit 82-83300
KIBBLEWHITE
MSRP: $355.95Now: $231.37Was: $355.95KIBBLEWHITE Valve Spring Kit 82-83300Black 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...9263293- SKU:
- 9263293
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- APPLICATION:
- INTAKE
- SPRING LIFT IMPERIAL:
- 0.450'
- RIDING STYLE:
- UTV
- APPLICATION:
- EXHAUST
- SPRING OPEN PRESSURE:
- 181 LB
- TYPE:
- VALVE
- MATERIAL:
- TITANIUM
- PRODUCT NAME:
- SPRING KIT
- SPRING LIFT:
- 0,450'
- SPRING SEAT PRESSURE:
- 64 LB
- UNITS:
- KIT
MSRP: $355.95Now: $231.37Was: $355.95 -
On Sale
KIBBLEWHITE Valve Spring Kit 82-83350
KIBBLEWHITE
MSRP: $262.95Now: $170.92Was: $262.95KIBBLEWHITE Valve Spring Kit 82-83350Black 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...9263294- SKU:
- 9263294
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- SPRING KIT
- SPRING LIFT:
- 0,450'
- TYPE:
- VALVE
- RIDING STYLE:
- UTV
- SPRING SEAT PRESSURE:
- 64 LB
- MATERIAL:
- HIGH TENSILE STEEL
- UNITS:
- KIT
- APPLICATION:
- INTAKE
- SPRING LIFT IMPERIAL:
- 0.450'
- SPRING OPEN PRESSURE:
- 181 LB
MSRP: $262.95Now: $170.92Was: $262.95 -
On Sale
KIBBLEWHITE Valve Spring Kit 82-83400
KIBBLEWHITE
MSRP: $355.95Now: $231.37Was: $355.95KIBBLEWHITE Valve Spring Kit 82-83400Black 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...9263295- SKU:
- 9263295
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- SPRING KIT
- RIDING STYLE:
- ATV
- SPRING LIFT IMPERIAL:
- 0.450'
- MATERIAL:
- TITANIUM
- MATERIAL:
- VITON
- SPRING SEAT PRESSURE:
- 64 LB
- APPLICATION:
- EXHAUST
- SPRING OPEN PRESSURE:
- 181 LB
- TYPE:
- VALVE
- MATERIAL:
- HIGH TENSILE STEEL
- SPRING LIFT:
- 0,450'
- UNITS:
- KIT
MSRP: $355.95Now: $231.37Was: $355.95 -
KIBBLEWHITE Valve Spring Kit 82-83450
KIBBLEWHITE
$262.95KIBBLEWHITE Valve Spring Kit 82-83450Black 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...9263296- SKU:
- 9263296
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- SPRING KIT
- SPRING LIFT:
- 0,450'
- TYPE:
- VALVE
- SPRING OPEN PRESSURE:
- 181 LB
- SPRING SEAT PRESSURE:
- 64 LB
- UNITS:
- KIT
- MATERIAL:
- HIGH TENSILE STEEL
- MATERIAL:
- VITON
- RIDING STYLE:
- UTV
- APPLICATION:
- INTAKE
- SPRING LIFT IMPERIAL:
- 0.450'
$262.95 -
KIBBLEWHITE Valve Spring Kit 82-82350
KIBBLEWHITE
$355.95KIBBLEWHITE Valve Spring Kit 82-82350Black 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...9263297- SKU:
- 9263297
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
$355.95Qty in Cart: 0Quantity:Price:$355.95Subtotal: -
KIBBLEWHITE Valve Spring Kit 82-83000
KIBBLEWHITE
$262.95KIBBLEWHITE Valve Spring Kit 82-83000Black 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...9263298- SKU:
- 9263298
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- MATERIAL:
- HIGH TENSILE STEEL
- MATERIAL:
- VITON
- SPRING LIFT IMPERIAL:
- 0.450'
- UNITS:
- KIT
- APPLICATION:
- EXHAUST
- RIDING STYLE:
- UTV
- SPRING OPEN PRESSURE:
- 200 LB
- SPRING SEAT PRESSURE:
- 65 LB
- TYPE:
- VALVE
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- SPRING KIT
- SPRING LIFT:
- 0,450'
$262.95 -
KIBBLEWHITE Valve Guide Seal 71010-4
KIBBLEWHITE
$7.95KIBBLEWHITE Valve Guide Seal 71010-4Solid Viton® and solid PTFE seals utilize choker spring and lower tension spring to maintain optimal seal under high heat/stress conditions, For use with stock intake and exhaust valve guides, Made in the U.S.A.9263204- SKU:
- 9263204
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MATERIAL:
- VITON
- PRODUCT NAME:
- SEAL
- UNITS:
- 4 PACK
- RIDING STYLE:
- STREET
- APPLICATION:
- EXHAUST
- APPLICATION:
- INTAKE
- LENGTH IMPERIAL:
- 0.412'
- OUTSIDE DIAMETER IMPERIAL:
- 0.5660'
- STEM DIAMETER IMPERIAL:
- 5/16'
- TYPE:
- VALVE
$7.95 -
KIBBLEWHITE Valve Guide Seal 71011-4
KIBBLEWHITE
$8.95KIBBLEWHITE Valve Guide Seal 71011-4Solid Viton® and solid PTFE seals utilize choker spring and lower tension spring to maintain optimal seal under high heat/stress conditions, For use with stock intake and exhaust valve guides, Made in the U.S.A.9263205- SKU:
- 9263205
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- LENGTH IMPERIAL:
- 0.516'
- OUTSIDE DIAMETER IMPERIAL:
- 0.661'
- STEM DIAMETER IMPERIAL:
- 3/8'
- RIDING STYLE:
- STREET
- TYPE:
- VALVE
- MATERIAL:
- VITON
- PRODUCT NAME:
- SEAL
- UNITS:
- 4 PACK
$8.95 -
KIBBLEWHITE Spring Kit - Steel 80-81700
KIBBLEWHITE
$327.95KIBBLEWHITE Spring Kit Steel 80-81700Spring kit is designed with increased spring rates and high lift compatibility compared to the stock springs, Compatible with boosted or turbocharged applications, CNC-machined titanium retainers and Cr-Si dual...9263206- SKU:
- 9263206
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
- SPRING OPEN PRESSURE:
- 167 LB
- RIDING STYLE:
- UTV
- SPRING LIFT IMPERIAL:
- 0.445'
- APPLICATION:
- EXHAUST
- SPRING LIFT:
- 0,445'
- TYPE:
- VALVE
- PRODUCT NAME:
- SPRING KIT
- SPRING SEAT PRESSURE:
- 53 LB
- UNITS:
- KIT
$327.95 -
KIBBLEWHITE Valve Kit - Sportster 20-22300
KIBBLEWHITE
$103.74KIBBLEWHITE Valve Kit Sportster 20-22300Full 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...9263207- SKU:
- 9263207
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- PRODUCT NAME:
- VALVE KIT
- UNITS:
- KIT
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- STREET
$103.74 -
KIBBLEWHITE Complete Valve Kit 20-22350
KIBBLEWHITE
$216.54KIBBLEWHITE Complete Valve Kit 20-22350Kits include KPMI® or equivalent valve spring kit, a full set of Black Diamond™stainless steel standard size valves, H.T. Steel valve keepers and valve stem seals (where applicable) for engine applications listed,...9263208- SKU:
- 9263208
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- ENGINE KIT
- SPRING LIFT IMPERIAL:
- 0.400'
- SPRING SEAT PRESSURE:
- 95 LB
- UNITS:
- KIT
- SPRING OPEN PRESSURE:
- 325 LB
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- STREET
- SPRING LIFT:
- 0,400'
$216.54 -
KIBBLEWHITE Complete Valve Kit - Evolution 20-22650
KIBBLEWHITE
$235.48KIBBLEWHITE Complete Valve Kit Evolution 20-22650Kits include KPMI® or equivalent valve spring kit, a full set of Black Diamond™stainless steel standard size valves, H.T. Steel valve keepers and valve stem seals (where applicable) for engine applications...9263210- SKU:
- 9263210
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
- RIDING STYLE:
- STREET
- SPRING OPEN PRESSURE:
- 361 LB
- SPRING LIFT IMPERIAL:
- 0.600'
- UNITS:
- KIT
- MODEL:
- BLACK DIAMOND™
- SPRING SEAT PRESSURE:
- 163 LB
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- ENGINE KIT
- SPRING LIFT:
- 0,600'
$235.48
