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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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...9310520- SKU:
- 9310520
- 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
$171.95 -
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
$337.95LA 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...9310359- SKU:
- 9310359
- Availability:
- Ships Same Business Day
- Weight:
- 4.20 LBS
- TYPE:
- CYLINDER
- UNITS:
- KIT
- PRODUCT NAME:
- REBUILD KIT
- MATERIAL:
- IRON
- RIDING STYLE:
- ATV
$337.95 -
LA SLEEVE Cylinder Sleeve H5591
LA SLEEVE
$128.95LA SLEEVE Cylinder Sleeve H5591Quality replacement cylinder sleeves give old cylinders new life9310711- SKU:
- 9310711
- 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 life9311008- SKU:
- 9311008
- 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 life9311010- SKU:
- 9311010
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- PRODUCT NAME:
- CYLINDER SLEEVE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$134.95Qty in Cart: 0Quantity:Price:$134.95Subtotal: -
LA SLEEVE Cylinder Sleeve YA5296
LA SLEEVE
$171.95Quality replacement cylinder sleeves give old cylinders new lifeYA5296- SKU:
- YA5296
- 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
$171.95 -
LA SLEEVE Cylinder Sleeve H5445
LA SLEEVE
$134.95LA SLEEVE Cylinder Sleeve H5445Quality replacement cylinder sleeves give old cylinders new life9310054- SKU:
- 9310054
- 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
$134.95 -
On Sale
KURYAKYN Front Stabilizer Link Cover 8697
KURYAKYN
MSRP: $41.99Now: $38.69Was: $42.99KURYAKYN Front Stabilizer Link Cover 8697Covers the front engine stabilizer in eye-catching chrome, Requires no tools to install9330074- SKU:
- 9330074
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- TYPE:
- STABILIZER
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
MSRP: $41.99Now: $38.69Was: $42.99Qty in Cart: 0Quantity:Price:MSRP: $41.99Now: $38.69Was: $42.99Subtotal: -
On Sale
KURYAKYN Tappet Block Accent - Twin Cam 8389
KURYAKYN
MSRP: $108.99Now: $99.89Was: $110.99KURYAKYN Tappet Block Accent Twin Cam 8389Clean, simple addition that really adds style to your engine, Brilliant chrome finish9280035- SKU:
- 9280035
- Availability:
- Ships Same Business Day
- Weight:
- 0.58 LBS
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- BASE FINISH:
- CHROME
- TYPE:
- LIFTER BLOCK
- UNITS:
- EACH
- PRODUCT NAME:
- ACCENT
MSRP: $108.99Now: $99.89Was: $110.99Qty in Cart: 0Quantity:Price:MSRP: $108.99Now: $99.89Was: $110.99Subtotal: -
On Sale
KURYAKYN Precision?« Dipstick - Chrome - Softail 6462
KURYAKYN
MSRP: $44.99Now: $43.19Was: $47.99KURYAKYN Precision?« Dipstick Chrome Softail 6462Durable die-cast aluminum construction with premium chrome plating, Easy to grip for hassle-free opening and tightening, Styled to coordinate with the entire Precision line of engine covers for the...7100251- SKU:
- 7100251
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- COLOR/FINISH:
- CHROME
- UNITS:
- EACH
- PRODUCT NAME:
- OIL DIPSTICK
- RIDING STYLE:
- STREET
- MATERIAL:
- ALUMINUM
- BASE FINISH:
- CHROME
- MODEL:
- PRECISION
MSRP: $44.99Now: $43.19Was: $47.99Qty in Cart: 0Quantity:Price:MSRP: $44.99Now: $43.19Was: $47.99Subtotal: -
On Sale
KURYAKYN Precision?« Dipstick - Black - Softail 6463
KURYAKYN
MSRP: $44.99Now: $43.19Was: $47.99KURYAKYN Precision?« Dipstick Black Softail 6463Durable die-cast aluminum construction with premium chrome plating, Easy to grip for hassle-free opening and tightening, Styled to coordinate with the entire Precision line of engine covers for the...7100252- SKU:
- 7100252
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- BASE FINISH:
- GLOSS
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- MODEL:
- PRECISION
- BASE COLOR:
- BLACK
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- OIL DIPSTICK
- UNITS:
- EACH
MSRP: $44.99Now: $43.19Was: $47.99Qty in Cart: 0Quantity:Price:MSRP: $44.99Now: $43.19Was: $47.99Subtotal: -
On Sale
KURYAKYN Dipstick - Black - Indian 5711
KURYAKYN
MSRP: $59.99Now: $53.99Was: $59.99KURYAKYN Dipstick Black Indian 5711Does not require tools to remove and check oil level, Made from quality aluminum and durable injection-molded high-temp ABS, Matches factory styling cues for a clean custom appearance7100243- SKU:
- 7100243
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
MSRP: $59.99Now: $53.99Was: $59.99Qty in Cart: 0Quantity:Price:MSRP: $59.99Now: $53.99Was: $59.99Subtotal: -
On Sale
KURYAKYN Precision?« Dipstick - Chrome - FL 6425
KURYAKYN
MSRP: $44.99Now: $43.19Was: $47.99KURYAKYN Precision?« Dipstick Chrome FL 6425Durable die-cast aluminum construction with premium chrome plating, Easy to grip for hassle-free opening and tightening, Styled to coordinate with the entire Precision line of engine covers for the...7100245- SKU:
- 7100245
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- COLOR/FINISH:
- CHROME
- MODEL:
- PRECISION
- UNITS:
- EACH
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- BASE FINISH:
- CHROME
- PRODUCT NAME:
- OIL DIPSTICK
MSRP: $44.99Now: $43.19Was: $47.99Qty in Cart: 0Quantity:Price:MSRP: $44.99Now: $43.19Was: $47.99Subtotal: -
On Sale
KURYAKYN Precision?« Dipstick - Black - FL 6426
KURYAKYN
MSRP: $44.99Now: $43.19Was: $47.99KURYAKYN Precision?« Dipstick Black FL 6426Durable die-cast aluminum construction with premium chrome plating, Easy to grip for hassle-free opening and tightening, Styled to coordinate with the entire Precision line of engine covers for the...7100246- SKU:
- 7100246
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- BASE COLOR:
- BLACK
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- OIL DIPSTICK
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- BASE FINISH:
- GLOSS
- MODEL:
- PRECISION
MSRP: $44.99Now: $43.19Was: $47.99Qty in Cart: 0Quantity:Price:MSRP: $44.99Now: $43.19Was: $47.99Subtotal: -
On Sale
KURYAKYN Scorpion for Twin Cam 8323
KURYAKYN
MSRP: $59.99Now: $54.89Was: $60.99KURYAKYN Scorpion for Twin Cam 8323Covers add a classy touch to any motor, Held in position with setscrews to prevent noisy rattling, Spark plugs may be removed without cover removal on Twin Cam modelsDS376519- SKU:
- DS376519
- Availability:
- Ships Same Business Day
- Weight:
- 0.63 LBS
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- CHROME
- MODEL:
- SCORPION™
- TYPE:
- HEAD BOLT
- UNITS:
- PAIR
- TYPE:
- SPARK PLUG
- PRODUCT NAME:
- COVER
MSRP: $59.99Now: $54.89Was: $60.99Qty in Cart: 0Quantity:Price:MSRP: $59.99Now: $54.89Was: $60.99Subtotal: -
KIBBLEWHITE Spring Kit 30-31600
KIBBLEWHITE
$222.95KIBBLEWHITE 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...9262345- SKU:
- 9262345
- 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
$222.95 -
KIBBLEWHITE Intake Valve 40-40652
KIBBLEWHITE
$31.95KIBBLEWHITE 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...9262355- SKU:
- 9262355
- 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™
$31.95Qty in Cart: 0Quantity:Price:$31.95Subtotal:
