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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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LA SLEEVE Cylinder Sleeve FL5374
LA SLEEVE
$165.95LA SLEEVE Cylinder Sleeve FL5374Quality replacement cylinder sleeves give old cylinders new life09310644- SKU:
- 09310644
- Availability:
- Ships Same Business Day
- Weight:
- 2.40 LBS
- BORE SIZE METRIC:
- 104.00 MM
- ENGINE TYPE:
- 4-STROKE
- MATERIAL:
- CHROME-MOLY ALLOY
- UNITS:
- EACH
- COLOR/FINISH:
- ALUMINUM
- DISPLACEMENT:
- 722 CC
- RIDING STYLE:
- STREET
- TYPE:
- AC
- PRODUCT NAME:
- CYLINDER SLEEVE
$165.95 -
LA SLEEVE Cylinder Sleeve YA5513
LA SLEEVE
$119.95LA SLEEVE Cylinder Sleeve YA5513Quality replacement cylinder sleeves give old cylinders new life09310645- SKU:
- 09310645
- Availability:
- Ships Same Business Day
- Weight:
- 1.95 LBS
- BORE SIZE METRIC:
- 84.50 MM
- RIDING STYLE:
- UTV
- CYLINDER BORE COATING:
- CHROME-MOLY ALLOY
- PRODUCT NAME:
- CYLINDER SLEEVE
- TYPE:
- RS
- COLOR/FINISH:
- ALUMINUM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$119.95 -
LA SLEEVE Cylinder Sleeve FL5551
LA SLEEVE
$134.95LA SLEEVE Cylinder Sleeve FL5551Quality replacement cylinder sleeves give old cylinders new life09310516- SKU:
- 09310516
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- BORE SIZE METRIC:
- 100.00 MM
- CYLINDER BORE COATING:
- CHROME-MOLY ALLOY
- TYPE:
- AC
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- CYLINDER SLEEVE
$134.95Qty in Cart: 0Quantity:Price:$134.95Subtotal: -
LA SLEEVE Sleeve and Piston Kit - Kawasaki LAS-5611K-1
LA SLEEVE
$375.95LA SLEEVE Sleeve and Piston Kit Kawasaki LAS-5611K-1The foremost compatible top-end rebuild kit all in one box, Feature a Moly2000 centrifugally-spun, cast cylinder sleeved iron bore to provide better ring seal for better compression, more torque and...09310519- SKU:
- 09310519
- Availability:
- Ships Same Business Day
- Weight:
- 2.45 LBS
- MATERIAL:
- IRON
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- CYLINDER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$375.95 -
LA SLEEVE Sleeve and Piston Kit - KTM LAS-5554K
LA SLEEVE
$422.95LA SLEEVE Sleeve and Piston Kit KTM LAS-5554KThe foremost compatible top-end rebuild kit all in one box, Feature a Moly2000 centrifugally-spun, cast cylinder sleeved iron bore to provide better ring seal for better compression, more torque and more...09310520- SKU:
- 09310520
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
- MATERIAL:
- CAST
- MATERIAL:
- IRON
- TYPE:
- CYLINDER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- REBUILD KIT
$422.95 -
LA SLEEVE Cylinder Sleeve H5293
LA SLEEVE
$128.95LA SLEEVE Cylinder Sleeve H5293Quality replacement cylinder sleeves give old cylinders new lifeH5293- SKU:
- H5293
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- COLOR/FINISH:
- ALUMINUM
- PRODUCT NAME:
- CYLINDER SLEEVE
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- RS
- BORE SIZE METRIC:
- 85.00 MM
- CYLINDER BORE COATING:
- CHROME-MOLY ALLOY
$128.95Qty in Cart: 0Quantity:Price:$128.95Subtotal: -
LA SLEEVE Cylinder Sleeve FL5168
LA SLEEVE
$171.95LA SLEEVE Cylinder Sleeve FL5168Quality replacement cylinder sleeves give old cylinders new lifeFL5168- SKU:
- FL5168
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- COLOR/FINISH:
- ALUMINUM
- CYLINDER BORE COATING:
- CHROME-MOLY ALLOY
- PRODUCT NAME:
- CYLINDER SLEEVE
- TYPE:
- CI
- BORE SIZE METRIC:
- 72.00 MM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$171.95Qty in Cart: 0Quantity:Price:$171.95Subtotal: -
LA SLEEVE Cylinder Sleeve H5365
LA SLEEVE
$128.95LA SLEEVE Cylinder Sleeve H5365Quality replacement cylinder sleeves give old cylinders new lifeH5365- SKU:
- H5365
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
- BORE SIZE METRIC:
- 90.00 MM
- TYPE:
- RS
- COLOR/FINISH:
- ALUMINUM
- PRODUCT NAME:
- CYLINDER SLEEVE
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- CYLINDER BORE COATING:
- CHROME-MOLY ALLOY
$128.95 -
LA SLEEVE Sleeve and Piston Kit - Honda LAS-5365K
LA SLEEVE
$328.95LA SLEEVE Sleeve and Piston Kit Honda LAS-5365KThe foremost compatible top-end rebuild kit all in one box, Feature a Moly2000 centrifugally-spun, cast cylinder sleeved iron bore to provide better ring seal for better compression, more torque and more...09310359- SKU:
- 09310359
- Availability:
- Ships Same Business Day
- Weight:
- 4.20 LBS
- TYPE:
- CYLINDER
- UNITS:
- KIT
- PRODUCT NAME:
- REBUILD KIT
- MATERIAL:
- IRON
- RIDING STYLE:
- ATV
$328.95 -
LA SLEEVE Cylinder Sleeve H5591
LA SLEEVE
$128.95LA SLEEVE Cylinder Sleeve H5591Quality replacement cylinder sleeves give old cylinders new life09310711- SKU:
- 09310711
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
- BORE SIZE METRIC:
- 92.00 MM
- COLOR/FINISH:
- ALUMINUM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- CYLINDER BORE COATING:
- CHROME-MOLY ALLOY
- PRODUCT NAME:
- CYLINDER SLEEVE
- TYPE:
- RS
$128.95 -
LA SLEEVE Cylinder Sleeve - Polaris 1000 FL5777
LA SLEEVE
$128.95LA SLEEVE Cylinder Sleeve Polaris 1000 FL5777Quality replacement cylinder sleeves give old cylinders new life09311008- SKU:
- 09311008
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- PRODUCT NAME:
- SLEEVE
- UNITS:
- EACH
- RIDING STYLE:
- UTV
$128.95 -
LA SLEEVE Cylinder Sleeve - KTM/Husqvarna 85 FL5796
LA SLEEVE
$134.95LA SLEEVE Cylinder Sleeve KTM/Husqvarna 85 FL5796Quality replacement cylinder sleeves give old cylinders new life09311010- SKU:
- 09311010
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- PRODUCT NAME:
- CYLINDER SLEEVE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$134.95 -
LA SLEEVE Cylinder Sleeve YA5296
LA SLEEVE
$171.95Quality replacement cylinder sleeves give old cylinders new lifeYA5296- SKU:
- YA5296
- Availability:
- Ships Same Business Day
- Weight:
- 1.12 LBS
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- BORE SIZE METRIC:
- 68.00 MM
- CYLINDER BORE COATING:
- CHROME-MOLY ALLOY
- PRODUCT NAME:
- CYLINDER SLEEVE
- TYPE:
- AC
$171.95Qty in Cart: 0Quantity:Price:$171.95Subtotal: -
LA SLEEVE Cylinder Sleeve H5445
LA SLEEVE
$134.95LA SLEEVE Cylinder Sleeve H5445Quality replacement cylinder sleeves give old cylinders new life09310054- SKU:
- 09310054
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
- BORE SIZE METRIC:
- 88.00 MM
- COLOR/FINISH:
- ALUMINUM
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PRODUCT NAME:
- CYLINDER SLEEVE
- TYPE:
- BIG BORE
- CYLINDER BORE COATING:
- CHROME-MOLY ALLOY
$134.95Qty in Cart: 0Quantity:Price:$134.95Subtotal: -
KIBBLEWHITE Spring Kit 30-31600
KIBBLEWHITE
$207.83KIBBLEWHITE Spring Kit 30-31600Spring 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...09262345- SKU:
- 09262345
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- APPLICATION:
- INTAKE
- RIDING STYLE:
- OFF-ROAD
- SPRING LIFT IMPERIAL:
- 0.440'
- SPRING OPEN PRESSURE:
- INTAKE 147 LB, EXHAUST 203 LB
- MATERIAL:
- TITANIUM
- PRODUCT NAME:
- SPRING KIT
- UNITS:
- KIT
- APPLICATION:
- EXHAUST
- TYPE:
- VALVE
$207.83 -
KIBBLEWHITE Intake Valve 40-40652
KIBBLEWHITE
$31.01KIBBLEWHITE Intake Valve 40-40652Black 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...09262355- SKU:
- 09262355
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- STEM DIAMETER IMPERIAL:
- 0.2155'
- PRODUCT NAME:
- VALVE
- TULIP ANGLE:
- 20°
- HEAD DIAMETER METRIC:
- 35.99 MM
- LENGTH IMPERIAL:
- 3.080'
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- APPLICATION:
- INTAKE
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- BLACK DIAMOND™
$31.01 -
KIBBLEWHITE Exhaust Valve 40-40656
KIBBLEWHITE
$31.01KIBBLEWHITE 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...09262357- SKU:
- 09262357
- 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'
$31.01 -
KIBBLEWHITE Spring Kit 40-40660
KIBBLEWHITE
$220.26KIBBLEWHITE 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...09262359- SKU:
- 09262359
- 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
$220.26 -
KIBBLEWHITE Valve Guide 40-40670
KIBBLEWHITE
$17.83KIBBLEWHITE 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.09262360- SKU:
- 09262360
- 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
$17.83 -
KIBBLEWHITE Intake Valve 40-40920
KIBBLEWHITE
$31.01KIBBLEWHITE 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...09262372- SKU:
- 09262372
- 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°
$31.01
