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!
-
Dirt Bike Cams and Parts
-
Dirt Bike Connecting Rods and Parts
-
Dirt Bike Crankcases and Parts
-
Dirt Bike Crankshafts and Parts
-
Dirt Bike Cylinder Heads and Parts
-
Dirt Bike Cylinders and Parts
-
Dirt Bike Engine Bearings
-
Dirt Bike Engine Covers
-
Dirt Bike Engine Gaskets and Kits
-
Dirt Bike Engine Rebuild Kits
-
Dirt Bike Engine Seals - Orings and Kits
-
Dirt Bike Engine Valves and Parts
-
Dirt Bike Flywheel and Rod Assemblies
-
Dirt Bike Fuel Filters
-
Dirt Bike Miscellaneous Engine Parts
-
Dirt Bike Oil Coolers
-
Dirt Bike Oil Filters
-
Dirt Bike Oil Lines
-
Dirt Bike Oil Pumps
-
Dirt Bike Piston and Ring Kits
-
Dirt Bike Piston Rings Only
-
Dirt Bike Wrist Pins and Circlips
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
KIBBLEWHITE Intake Valve Guide 30-32822
KIBBLEWHITE
$30.95KIBBLEWHITE Intake Valve Guide 30-32822All 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.9263149- SKU:
- 9263149
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- INTAKE
- OUTSIDE DIAMETER IMPERIAL:
- 0.4380'
- PRODUCT NAME:
- VALVE GUIDE
- SIZE IMPERIAL:
- OVERSIZE (+0.002')
- UNITS:
- EACH
- INSIDE DIAMETER IMPERIAL:
- 0.1960'
- MATERIAL:
- C630 BRONZE
$30.95 -
KIBBLEWHITE Intake Valve Guide 30-32829
KIBBLEWHITE
$30.95KIBBLEWHITE Intake Valve Guide 30-32829All 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.9263150- SKU:
- 9263150
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$30.95Qty in Cart: 0Quantity:Price:$30.95Subtotal: -
On Sale
KIBBLEWHITE Exhaust Valve Guide 30-32832
KIBBLEWHITE
MSRP: $30.95Now: $20.12Was: $30.95KIBBLEWHITE Exhaust Valve Guide 30-32832All 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.9263152- SKU:
- 9263152
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MATERIAL:
- C630 BRONZE
- OUTSIDE DIAMETER IMPERIAL:
- 0.4380'
- PRODUCT NAME:
- VALVE GUIDE
- SIZE IMPERIAL:
- OVERSIZE (+0.002')
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- INSIDE DIAMETER IMPERIAL:
- 0.1955'
- APPLICATION:
- EXHAUST
MSRP: $30.95Now: $20.12Was: $30.95 -
On Sale
KIBBLEWHITE Exhaust Valve Guide 30-32839
KIBBLEWHITE
MSRP: $30.95Now: $20.12Was: $30.95KIBBLEWHITE Exhaust Valve Guide 30-32839All 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.9263153- SKU:
- 9263153
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- EXHAUST
- INSIDE DIAMETER IMPERIAL:
- 0.1955'
- PRODUCT NAME:
- VALVE GUIDE
- MATERIAL:
- C630 BRONZE
- RIDING STYLE:
- OFF-ROAD
- SIZE IMPERIAL:
- OVERSIZE (+0.010')
- OUTSIDE DIAMETER IMPERIAL:
- 0.446'
- UNITS:
- EACH
MSRP: $30.95Now: $20.12Was: $30.95 -
KIBBLEWHITE Intake Valve Kit 40-41450
KIBBLEWHITE
$185.95KIBBLEWHITE Intake Valve Kit 40-41450Stainless 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...9263154- SKU:
- 9263154
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- SPRING LIFT:
- 0,415'
- TYPE:
- CONVERSION
- PRODUCT NAME:
- VALVE KIT
- RIDING STYLE:
- OFF-ROAD
- SPRING OPEN PRESSURE:
- 181 LB
- SPRING SEAT PRESSURE:
- 65 LB
- UNITS:
- KIT
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
- SPRING LIFT IMPERIAL:
- 0.415'
$185.95 -
KIBBLEWHITE Intake Valve 40-41412H
KIBBLEWHITE
$37.95KIBBLEWHITE Intake Valve 40-41412HWhite 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.9263155- SKU:
- 9263155
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- HEAD DIAMETER METRIC:
- 31.00 MM
- LENGTH IMPERIAL:
- 3.460'
- MODEL:
- WHITE DIAMOND™
- RIDING STYLE:
- OFF-ROAD
- STEM DIAMETER IMPERIAL:
- 0.1764'
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
- SIZE METRIC:
- STANDARD
- TULIP ANGLE:
- 20°
- APPLICATION:
- INTAKE
- UNITS:
- EACH
$37.95Qty in Cart: 0Quantity:Price:$37.95Subtotal: -
KIBBLEWHITE Exhaust Valve 40-41416H
KIBBLEWHITE
$37.95KIBBLEWHITE Exhaust Valve 40-41416HWhite 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.9263156- SKU:
- 9263156
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- TULIP ANGLE:
- 25°
- HEAD DIAMETER METRIC:
- 25.00 MM
- MODEL:
- WHITE DIAMOND™
- RIDING STYLE:
- OFF-ROAD
- STEM DIAMETER IMPERIAL:
- 0.1759'
- LENGTH IMPERIAL:
- 3.170'
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
- SIZE METRIC:
- STANDARD
$37.95 -
KIBBLEWHITE Valve Guide 96-96521
KIBBLEWHITE
$22.95KIBBLEWHITE Valve Guide 96-96521All 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.9263157- SKU:
- 9263157
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- APPLICATION:
- INTAKE
- RIDING STYLE:
- OFF-ROAD
- SIZE IMPERIAL:
- OVERSIZE (+0.001')
- UNITS:
- EACH
- INSIDE DIAMETER IMPERIAL:
- 0.2353'
- MATERIAL:
- C630 BRONZE
- OUTSIDE DIAMETER IMPERIAL:
- 0.4362'
- PRODUCT NAME:
- VALVE GUIDE
$22.95Qty in Cart: 0Quantity:Price:$22.95Subtotal: -
KIBBLEWHITE Valve Guide 96-96522
KIBBLEWHITE
$22.95KIBBLEWHITE Valve Guide 96-96522All 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.9263158- SKU:
- 9263158
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- APPLICATION:
- INTAKE
- OUTSIDE DIAMETER IMPERIAL:
- 0.4372'
- UNITS:
- EACH
- INSIDE DIAMETER IMPERIAL:
- 0.2353'
- MATERIAL:
- C630 BRONZE
- PRODUCT NAME:
- VALVE GUIDE
- SIZE IMPERIAL:
- OVERSIZE (+0.002')
- RIDING STYLE:
- OFF-ROAD
$22.95 -
KIBBLEWHITE Valve Guide 96-96529
KIBBLEWHITE
$22.95KIBBLEWHITE Valve Guide 96-96529All 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.9263159- SKU:
- 9263159
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$22.95Qty in Cart: 0Quantity:Price:$22.95Subtotal: -
KIBBLEWHITE Cylinder Head Service Kit 82-83160
KIBBLEWHITE
$703.95KIBBLEWHITE Cylinder Head Service Kit 82-83160Kits 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...9263160- SKU:
- 9263160
- Availability:
- Ships Same Business Day
- Weight:
- 2.45 LBS
- MODEL:
- WHITE DIAMOND™
- UNITS:
- KIT
- MATERIAL:
- C630 BRONZE
- PRODUCT NAME:
- CYLINDER HEAD SERVICE KIT
- SPRING LIFT:
- 0,435'
- SPRING OPEN PRESSURE:
- 205 LB
- APPLICATION:
- INTAKE
- SPRING SEAT PRESSURE:
- 80 IB
- APPLICATION:
- EXHAUST
- RIDING STYLE:
- UTV
- SPRING LIFT IMPERIAL:
- 0.435'
$703.95 -
KIBBLEWHITE Spring Kit 80-81400
KIBBLEWHITE
$220.95KIBBLEWHITE Spring Kit 80-81400Replacement Spring Kit for Kibblewhite Top End Service Kit9263161- SKU:
- 9263161
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
- MATERIAL:
- TITANIUM
- APPLICATION:
- EXHAUST
- TYPE:
- VALVE
- PRODUCT NAME:
- SPRING KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$220.95 -
KIBBLEWHITE Intake Valve 80-80912
KIBBLEWHITE
$31.95KIBBLEWHITE Intake Valve 80-80912Black 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...9263162- SKU:
- 9263162
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- HEAD DIAMETER METRIC:
- 31.00 MM
- LENGTH IMPERIAL:
- 3.280'
- MODEL:
- BLACK DIAMOND™
- TULIP ANGLE:
- 18°
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MATERIAL:
- TITANIUM
- STEM DIAMETER IMPERIAL:
- 0.1962'
$31.95 -
KIBBLEWHITE Exhaust Valve 80-80916
KIBBLEWHITE
$31.95KIBBLEWHITE Exhaust Valve 80-80916Black 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...9263163- SKU:
- 9263163
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MATERIAL:
- TITANIUM
- MODEL:
- BLACK DIAMOND™
- STEM DIAMETER IMPERIAL:
- 0.1760'
- TULIP ANGLE:
- 30°
- APPLICATION:
- EXHAUST
- LENGTH IMPERIAL:
- 3.235'
- PRODUCT NAME:
- VALVE
- UNITS:
- EACH
- HEAD DIAMETER METRIC:
- 25.00 MM
- RIDING STYLE:
- OFF-ROAD
$31.95 -
KIBBLEWHITE Valve Guide Seal 71015-4
KIBBLEWHITE
$13.96KIBBLEWHITE Valve Guide Seal 71015-4Seals 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.9263164- SKU:
- 9263164
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MATERIAL:
- VITON
- OUTSIDE DIAMETER IMPERIAL:
- 0.405'
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- TYPE:
- VALVE GUIDE
- UNITS:
- 4 PACK
- APPLICATION:
- INTAKE
- RIDING STYLE:
- ATV
- STEM DIAMETER METRIC:
- 5.00 MM
- PRODUCT NAME:
- SEAL
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- EXHAUST
- RIDING STYLE:
- WATERCRAFT
$13.96 -
KIBBLEWHITE Valve Guide Seal 71029-8
KIBBLEWHITE
$27.95KIBBLEWHITE Valve Guide Seal 71029-8Seals 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.9263165- SKU:
- 9263165
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- OUTSIDE DIAMETER IMPERIAL:
- 0.520'
- STEM DIAMETER METRIC:
- 6.00 MM
- UNITS:
- 8 PACK
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- SEAL
- APPLICATION:
- INTAKE
- RIDING STYLE:
- ATV
- TYPE:
- VALVE GUIDE
- MATERIAL:
- VITON
- RIDING STYLE:
- OFF-ROAD
$27.95 -
KIBBLEWHITE Spring Kit - .650" - Evolution/Twin Cam 20-21650
KIBBLEWHITE
$219.95KIBBLEWHITE Spring Kit .650" Evolution/Twin Cam 20-21650Stainless 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...9263167- SKU:
- 9263167
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
- APPLICATION:
- EXHAUST
- SPRING OPEN PRESSURE:
- 440 LB
- SPRING LIFT:
- 0,650'
- SPRING LIFT IMPERIAL:
- 0.650'
- SPRING SEAT PRESSURE:
- 185 IB
- UNITS:
- KIT
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- SPRING KIT
- RIDING STYLE:
- STREET
$219.95 -
KIBBLEWHITE Spring Kit - .675" - Evolution/Twin Cam 20-21600
KIBBLEWHITE
$219.95KIBBLEWHITE Spring Kit .675" Evolution/Twin Cam 20-21600Stainless 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...9263168- SKU:
- 9263168
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- SPRING KIT
- RIDING STYLE:
- STREET
- SPRING LIFT IMPERIAL:
- 0.675'
- SPRING OPEN PRESSURE:
- 450 LB
- APPLICATION:
- EXHAUST
- SPRING LIFT:
- 0,675'
- SPRING SEAT PRESSURE:
- 185 IB
- UNITS:
- KIT
$219.95 -
KIBBLEWHITE Intake Spring Kit 30-33200
KIBBLEWHITE
$185.95KIBBLEWHITE Intake Spring Kit 30-33200Stainless 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...9263169- SKU:
- 9263169
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
- PRODUCT NAME:
- VALVE KIT
- RIDING STYLE:
- ATV
- SPRING LIFT IMPERIAL:
- 0.440'
- SPRING LIFT:
- 0,440'
- SPRING OPEN PRESSURE:
- 147 LB
- SPRING SEAT PRESSURE:
- 40 LB
- TYPE:
- CONVERSION
- UNITS:
- KIT
$185.95 -
KIBBLEWHITE Intake Spring Kit 30-33250
KIBBLEWHITE
$185.95KIBBLEWHITE Intake Spring Kit 30-33250Stainless 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...9263170- SKU:
- 9263170
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- APPLICATION:
- INTAKE
- RIDING STYLE:
- ATV
- SPRING LIFT IMPERIAL:
- 0.440'
- TYPE:
- CONVERSION
- SPRING LIFT:
- 0,440'
- MATERIAL:
- STEEL
- PRODUCT NAME:
- VALVE KIT
- SPRING OPEN PRESSURE:
- 147 LB
- SPRING SEAT PRESSURE:
- 40 LB
- UNITS:
- KIT
$185.95
