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 Exhaust Valve 60-60273H
KIBBLEWHITE
$31.01KIBBLEWHITE Exhaust Valve 60-60273HWhite 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.09263146- SKU:
- 09263146
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- HEAD DIAMETER METRIC:
- 29.00 MM
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- SIZE METRIC:
- STANDARD
- TULIP ANGLE:
- 17°
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- STEM DIAMETER IMPERIAL:
- 0.1953'
- LENGTH IMPERIAL:
- 3.210'
- MODEL:
- WHITE DIAMOND™
$31.01 -
KIBBLEWHITE Intake Valve Kit 30-32780
KIBBLEWHITE
$185.23KIBBLEWHITE Intake Valve Kit 30-32780Stainless 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...09263147- SKU:
- 09263147
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
- PRODUCT NAME:
- VALVE KIT
- RIDING STYLE:
- OFF-ROAD
- SPRING LIFT:
- 0,440'
- SPRING LIFT IMPERIAL:
- 0.440'
- SPRING OPEN PRESSURE:
- 162 LB
- SPRING SEAT PRESSURE:
- 50 LB
- TYPE:
- CONVERSION
- UNITS:
- KIT
$185.23 -
KIBBLEWHITE Intake Valve Guide 30-32821
KIBBLEWHITE
$34.40KIBBLEWHITE Intake Valve Guide 30-32821All 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.09263148- SKU:
- 09263148
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- INSIDE DIAMETER IMPERIAL:
- 0.1960'
- MATERIAL:
- C630 BRONZE
- OUTSIDE DIAMETER IMPERIAL:
- 0.4370'
- RIDING STYLE:
- OFF-ROAD
- SIZE IMPERIAL:
- OVERSIZE (+0.001')
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- VALVE GUIDE
- UNITS:
- EACH
$34.40 -
KIBBLEWHITE Intake Valve Guide 30-32822
KIBBLEWHITE
$25.95KIBBLEWHITE 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.09263149- SKU:
- 09263149
- 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
$25.95 -
On Sale
KIBBLEWHITE Exhaust Valve Guide 30-32832
KIBBLEWHITE
MSRP: $30.95Now: $20.00Was: $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.09263152- SKU:
- 09263152
- 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: $20.00Was: $30.95 -
On Sale
KIBBLEWHITE Exhaust Valve Guide 30-32839
KIBBLEWHITE
MSRP: $30.95Now: $20.00Was: $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.09263153- SKU:
- 09263153
- 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: $20.00Was: $30.95 -
KIBBLEWHITE Intake Valve Kit 40-41450
KIBBLEWHITE
$185.23KIBBLEWHITE 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...09263154- SKU:
- 09263154
- 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'
$185.23 -
KIBBLEWHITE Intake Valve 40-41412H
KIBBLEWHITE
$37.55KIBBLEWHITE 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.09263155- SKU:
- 09263155
- 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
$37.55 -
KIBBLEWHITE Exhaust Valve 40-41416H
KIBBLEWHITE
$37.55KIBBLEWHITE 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.09263156- SKU:
- 09263156
- 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
$37.55 -
KIBBLEWHITE Valve Guide 96-96521
KIBBLEWHITE
$24.89KIBBLEWHITE 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.09263157- SKU:
- 09263157
- 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
$24.89Qty in Cart: 0Quantity:Price:$24.89Subtotal: -
KIBBLEWHITE Valve Guide 96-96522
KIBBLEWHITE
$18.95KIBBLEWHITE 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.09263158- SKU:
- 09263158
- 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
$18.95 -
KIBBLEWHITE Intake Spring Kit 30-33200
KIBBLEWHITE
$185.23KIBBLEWHITE 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...09263169- SKU:
- 09263169
- 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
$185.23 -
KIBBLEWHITE Intake Spring Kit 30-33250
KIBBLEWHITE
$185.23KIBBLEWHITE 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...09263170- SKU:
- 09263170
- 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
$185.23 -
KIBBLEWHITE Spring Kit 80-82300
KIBBLEWHITE
$220.26KIBBLEWHITE Spring Kit 80-82300Spring 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...09263176- SKU:
- 09263176
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- SPRING OPEN PRESSURE:
- INTAKE 187 LB, EXHAUST 149 LB
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- APPLICATION:
- INTAKE
- MATERIAL:
- TITANIUM
- PRODUCT NAME:
- SPRING KIT
- APPLICATION:
- EXHAUST
- SPRING LIFT IMPERIAL:
- INTAKE 0.420', EXHAUST 0.400'
- TYPE:
- VALVE
$220.26 -
KIBBLEWHITE Valve Conversion Kit 80-82350
KIBBLEWHITE
$172.15KIBBLEWHITE Valve Conversion Kit 80-82350Stainless 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...09263177- SKU:
- 09263177
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- SPRING LIFT:
- 0,420'
- SPRING SEAT PRESSURE:
- 69 LB
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
- PRODUCT NAME:
- VALVE KIT
- RIDING STYLE:
- OFF-ROAD
- SPRING LIFT IMPERIAL:
- 0.420'
- SPRING OPEN PRESSURE:
- 187 LB
- TYPE:
- CONVERSION
- UNITS:
- KIT
$172.15Qty in Cart: 0Quantity:Price:$172.15Subtotal: -
KIBBLEWHITE Intake Valve 80-82312
KIBBLEWHITE
$31.01KIBBLEWHITE Intake Valve 80-82312Black 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...09263178- SKU:
- 09263178
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- STEM DIAMETER IMPERIAL:
- 0.1962'
- HEAD DIAMETER METRIC:
- 31.00 MM
- LENGTH IMPERIAL:
- 3.245'
- MATERIAL:
- STEEL
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- TULIP ANGLE:
- 18°
- APPLICATION:
- INTAKE
- MODEL:
- BLACK DIAMOND™
- UNITS:
- EACH
$31.01 -
KIBBLEWHITE Exhaust Valve 80-82316
KIBBLEWHITE
$31.01KIBBLEWHITE Exhaust Valve 80-82316Black 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...09263179- SKU:
- 09263179
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- EXHAUST
- HEAD DIAMETER METRIC:
- 25.00 MM
- LENGTH IMPERIAL:
- 3.235'
- MODEL:
- BLACK DIAMOND™
- TULIP ANGLE:
- 30°
- UNITS:
- EACH
- MATERIAL:
- STEEL
- PRODUCT NAME:
- VALVE
- STEM DIAMETER IMPERIAL:
- 0.1760'
$31.01Qty in Cart: 0Quantity:Price:$31.01Subtotal: -
KIBBLEWHITE Intake Valve - Standard - Titanium - YZ250F 80-82312T
KIBBLEWHITE
$92.51KIBBLEWHITE Intake Valve Standard Titanium YZ250F 80-82312TTensilite® 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...09263180- SKU:
- 09263180
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- TITANIUM
- MODEL:
- TENSILITE®
- PRODUCT NAME:
- VALVE
- STEM DIAMETER IMPERIAL:
- 0.1962'
- APPLICATION:
- INTAKE
- UNITS:
- EACH
- HEAD DIAMETER METRIC:
- 31.00 MM
- RIDING STYLE:
- OFF-ROAD
- TULIP ANGLE:
- 18°
$92.51 -
KIBBLEWHITE Exhaust Valve - Standard - Titanium - YZ250F - 2019 80-82316T
KIBBLEWHITE
$92.51KIBBLEWHITE Exhaust Valve Standard Titanium YZ250F 2019 80-82316TTensilite® 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,...09263181- SKU:
- 09263181
- 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 -
KIBBLEWHITE Intake Valve Guide 80-82320
KIBBLEWHITE
$15.92KIBBLEWHITE Intake Valve Guide 80-82320Precision-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...09263182- SKU:
- 09263182
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- BASE COLOR:
- BROWN
- PRODUCT NAME:
- VALVE GUIDE
- APPLICATION:
- INTAKE
- UNITS:
- EACH
- COLOR/FINISH:
- BRONZE
- INSIDE DIAMETER IMPERIAL:
- 0.1962'
- SIZE IMPERIAL:
- STANDARD
- MATERIAL:
- C630 BRONZE
- OUTSIDE DIAMETER IMPERIAL:
- 0.3957'
- RIDING STYLE:
- OFF-ROAD
$15.92
