Dirt Bike Engine
Discover a full range of dirt bike engine components for rebuilding or upgrading your performance. From crankshafts to cylinder heads and piston kits, these precision-engineered components ensure reliable performance. For additional upgrades, check out our full selection of off-road dirt bike parts.
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KIBBLEWHITE Intake Valve Guide 80-82329
KIBBLEWHITE
$15.92KIBBLEWHITE Intake Valve Guide 80-82329Precision-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 and...09263185- SKU:
- 09263185
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- INTAKE
- COLOR/FINISH:
- BRONZE
- UNITS:
- EACH
- BASE COLOR:
- BROWN
- MATERIAL:
- C630 BRONZE
- PRODUCT NAME:
- VALVE GUIDE
- INSIDE DIAMETER IMPERIAL:
- 0.1962'
- OUTSIDE DIAMETER IMPERIAL:
- 0.4057'
- RIDING STYLE:
- OFF-ROAD
- SIZE IMPERIAL:
- OVERSIZE (+0.010')
$15.92 -
KIBBLEWHITE Exhaust Valve Guide 80-82330
KIBBLEWHITE
$15.92KIBBLEWHITE Exhaust Valve Guide 80-82330Precision-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 and...09263186- SKU:
- 09263186
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- BRONZE
- INSIDE DIAMETER IMPERIAL:
- 0.1760'
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- BASE COLOR:
- BROWN
- MATERIAL:
- C630 BRONZE
- OUTSIDE DIAMETER IMPERIAL:
- 0.3563'
- PRODUCT NAME:
- VALVE GUIDE
- SIZE IMPERIAL:
- STANDARD
- APPLICATION:
- EXHAUST
$15.92 -
KIBBLEWHITE Exhaust Valve Guide 80-82339
KIBBLEWHITE
$15.92KIBBLEWHITE Exhaust Valve Guide 80-82339Precision-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 and...09263189- SKU:
- 09263189
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- EXHAUST
- SIZE IMPERIAL:
- OVERSIZE (+0.010')
- INSIDE DIAMETER IMPERIAL:
- 0.1760'
- OUTSIDE DIAMETER IMPERIAL:
- 0.3663'
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- BRONZE
- PRODUCT NAME:
- VALVE GUIDE
- UNITS:
- EACH
- BASE COLOR:
- BROWN
- MATERIAL:
- C630 BRONZE
$15.92 -
KIBBLEWHITE Valve Guide Seal Kit - 4 pack 80-82345
KIBBLEWHITE
$13.96KIBBLEWHITE Valve Guide Seal Kit 4 pack 80-82345Kit includes 2 intake Viton® seals and 2 exhaust Viton® seals09263190- SKU:
- 09263190
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- EXHAUST
- APPLICATION:
- INTAKE
- TYPE:
- VALVE GUIDE
- MATERIAL:
- VITON
- PRODUCT NAME:
- SEAL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- 4 PACK
$13.96 -
KIBBLEWHITE Intake Valve 82-82255
KIBBLEWHITE
$37.55KIBBLEWHITE Intake Valve 82-82255Black 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...09263279- SKU:
- 09263279
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- LENGTH IMPERIAL:
- 3.765'
- APPLICATION:
- INTAKE
- HEAD DIAMETER METRIC:
- 34.42 MM
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- ATV
- STEM DIAMETER IMPERIAL:
- 0.2160'
- UNITS:
- EACH
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
- TULIP ANGLE:
- 17°
$37.55 -
KIBBLEWHITE Intake Valve - Titanium - CRF250 - 2018-2020 30-33612T
KIBBLEWHITE
$109.33KIBBLEWHITE Intake Valve Titanium CRF250 2018-2020 30-33612TTensilite® 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,...09263283- SKU:
- 09263283
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- HEAD DIAMETER METRIC:
- 33.00 MM
- RIDING STYLE:
- OFF-ROAD
- TULIP ANGLE:
- 16°
- PRODUCT NAME:
- VALVE
- STEM DIAMETER IMPERIAL:
- 0.1961'
- APPLICATION:
- INTAKE
- MATERIAL:
- TITANIUM
- MODEL:
- TENSILITE®
- UNITS:
- EACH
$109.33 -
KIBBLEWHITE Exhaust Valve - Titanium - CRF250 - 2018-2020 30-33616T
KIBBLEWHITE
$109.33KIBBLEWHITE Exhaust Valve Titanium CRF250 2018-2020 30-33616TTensilite® 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,...09263284- SKU:
- 09263284
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MATERIAL:
- TITANIUM
- MODEL:
- TENSILITE®
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- VALVE
- UNITS:
- EACH
- HEAD DIAMETER METRIC:
- 26.00 MM
- RIDING STYLE:
- OFF-ROAD
- STEM DIAMETER IMPERIAL:
- 0.1956'
- TULIP ANGLE:
- 18°
$109.33 -
KIBBLEWHITE Valve Spring Kit 30-33650
KIBBLEWHITE
$229.93KIBBLEWHITE 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...09263285- SKU:
- 09263285
- 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
$229.93 -
KIBBLEWHITE Intake Valve 30-33662
KIBBLEWHITE
$37.55KIBBLEWHITE 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...09263286- SKU:
- 09263286
- 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'
$37.55 -
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...09263289- SKU:
- 09263289
- 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...09263290- SKU:
- 09263290
- 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
$18.54KIBBLEWHITE 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...09263291- SKU:
- 09263291
- 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
$18.54 -
KIBBLEWHITE Exhaust Valve Guide 82-82420
KIBBLEWHITE
$18.54KIBBLEWHITE 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...09263292- SKU:
- 09263292
- 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
$18.54 -
On Sale
KIBBLEWHITE Valve Spring Kit 82-83300
KIBBLEWHITE
MSRP: $355.95Now: $228.00Was: $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...09263293- SKU:
- 09263293
- 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: $228.00Was: $355.95 -
On Sale
KIBBLEWHITE Valve Spring Kit 82-83350
KIBBLEWHITE
MSRP: $262.95Now: $168.00Was: $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...09263294- SKU:
- 09263294
- 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: $168.00Was: $262.95 -
On Sale
KIBBLEWHITE Valve Spring Kit 82-83400
KIBBLEWHITE
MSRP: $355.95Now: $228.00Was: $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...09263295- SKU:
- 09263295
- 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: $228.00Was: $355.95 -
KIBBLEWHITE Valve Spring Kit 82-83450
KIBBLEWHITE
$262.77KIBBLEWHITE 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...09263296- SKU:
- 09263296
- 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'
$262.77 -
KIBBLEWHITE Valve Spring Kit 82-83000
KIBBLEWHITE
$262.77KIBBLEWHITE 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...09263298- SKU:
- 09263298
- 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'
$262.77 -
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...09263206- SKU:
- 09263206
- 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 Cylinder Head Service Kit 30-33430
KIBBLEWHITE
$466.23KIBBLEWHITE Cylinder Head Service Kit 30-33430Kits 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...09263223- SKU:
- 09263223
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- APPLICATION:
- INTAKE
- MATERIAL:
- C630 BRONZE
- MATERIAL:
- TITANIUM
- MODEL:
- BLACK DIAMOND™
- SPRING SEAT PRESSURE:
- 45 LB
- RIDING STYLE:
- OFF-ROAD
- SPRING LIFT IMPERIAL:
- 0.350'
- UNITS:
- KIT
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- CYLINDER HEAD SERVICE KIT
- SPRING LIFT:
- 0,350'
- SPRING OPEN PRESSURE:
- 143 LB
$466.23
