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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- Qty in Cart
- Quantity
- Price
- Subtotal
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MOOSE RACING Top End Gasket Kit - CR250R 810253
MOOSE RACING
$20.12MOOSE RACING Top End Gasket Kit CR250R 810253Moose can now handle all your gasket and seal needs at a fraction of OEM cost, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmission with total confidence as...M810253- SKU:
- M810253
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
$20.12Qty in Cart: 0Quantity:Price:$20.12Subtotal: -
LA SLEEVE Cylinder Sleeve FL5064
LA SLEEVE
$177.95LA SLEEVE Cylinder Sleeve FL5064Quality replacement cylinder sleeves give old cylinders new lifeFL5064- SKU:
- FL5064
- Availability:
- Ships Same Business Day
- Weight:
- 2.19 LBS
- BORE SIZE METRIC:
- 67.00 MM
- COLOR/FINISH:
- ALUMINUM
- PRODUCT NAME:
- CYLINDER SLEEVE
- TYPE:
- CS
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- CYLINDER BORE COATING:
- CHROME-MOLY ALLOY
$177.95 -
LA SLEEVE Cylinder Sleeve FL5093
LA SLEEVE
$177.95LA SLEEVE Cylinder Sleeve FL5093Quality replacement cylinder sleeves give old cylinders new lifeFL5093- SKU:
- FL5093
- Availability:
- Ships Same Business Day
- Weight:
- 1.31 LBS
- COLOR/FINISH:
- CHROME
- UNITS:
- EACH
- BORE SIZE METRIC:
- 67.00 MM
- CYLINDER BORE COATING:
- CHROME-MOLY ALLOY
- TYPE:
- AC
- PRODUCT NAME:
- CYLINDER SLEEVE
- RIDING STYLE:
- OFF-ROAD
$177.95 -
LA SLEEVE Cylinder Sleeve FL5140
LA SLEEVE
$134.95LA SLEEVE Cylinder Sleeve FL5140Quality replacement cylinder sleeves give old cylinders new lifeFL5140- SKU:
- FL5140
- Availability:
- Ships Same Business Day
- Weight:
- 0.88 LBS
- BORE SIZE METRIC:
- 47.50 MM
- PRODUCT NAME:
- CYLINDER SLEEVE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CS
- COLOR/FINISH:
- CHROME
- UNITS:
- EACH
- CYLINDER BORE COATING:
- CHROME-MOLY ALLOY
$134.95 -
LA SLEEVE Cylinder Sleeve FL5181
LA SLEEVE
$151.95LA SLEEVE Cylinder Sleeve FL5181Quality replacement cylinder sleeves give old cylinders new lifeFL5181- SKU:
- FL5181
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- BORE SIZE METRIC:
- 54.00 MM
- CYLINDER BORE COATING:
- CHROME-MOLY ALLOY
- TYPE:
- AC
- PRODUCT NAME:
- CYLINDER SLEEVE
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- CHROME
- UNITS:
- EACH
$151.95 -
LA SLEEVE Cylinder Sleeve FL5182
LA SLEEVE
$177.95LA SLEEVE Cylinder Sleeve FL5182Quality replacement cylinder sleeves give old cylinders new lifeFL5182- SKU:
- FL5182
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- CYLINDER BORE COATING:
- CHROME-MOLY ALLOY
- TYPE:
- AC
- BORE SIZE METRIC:
- 67.00 MM
- PRODUCT NAME:
- CYLINDER SLEEVE
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- CHROME
- UNITS:
- EACH
$177.95 -
LA SLEEVE Sleeve and Piston Kit - Kawasaki LAS5778K
LA SLEEVE
$326.95LA SLEEVE Sleeve and Piston Kit Kawasaki LAS5778KOne boxed component kit provides the foremost compatible top-end rebuild solution, The Moly2000 centrifugally spun-cast cylinder sleeved iron bore provides better ring seal for better compression, more...09310861- SKU:
- 09310861
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- PRODUCT NAME:
- SLEEVE AND PISTON KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$326.95 -
On Sale
LA SLEEVE Cylinder Sleeve FL5769
LA SLEEVE
MSRP: $129.95Now: $78.00Was: $129.95LA SLEEVE Cylinder Sleeve FL5769Quality replacement cylinder sleeves give old cylinders new life09310863- SKU:
- 09310863
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- BORE SIZE METRIC:
- 93.00 MM
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- CYLINDER SLEEVE
- RIDING STYLE:
- UTV
- UNITS:
- KIT
- TYPE:
- AC
MSRP: $129.95Now: $78.00Was: $129.95 -
LA SLEEVE Cylinder Sleeve YA5536
LA SLEEVE
$109.95LA SLEEVE Cylinder Sleeve YA5536Quality replacement cylinder sleeves give old cylinders new life09310265- SKU:
- 09310265
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- BORE SIZE METRIC:
- 77.00 MM
- CYLINDER BORE COATING:
- CHROME-MOLY ALLOY
- TYPE:
- AC
- COLOR/FINISH:
- CHROME
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PRODUCT NAME:
- CYLINDER SLEEVE
$109.95 -
LA SLEEVE Sleeve and Piston Kit - Honda LAS-5599K
LA SLEEVE
$312.95LA SLEEVE Sleeve and Piston Kit Honda LAS-5599KThe 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...09310382- SKU:
- 09310382
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CYLINDER
- UNITS:
- KIT
- MATERIAL:
- IRON
- PRODUCT NAME:
- REBUILD KIT
- MATERIAL:
- CAST
$312.95 -
KIBBLEWHITE Valve Seal 71006-4
KIBBLEWHITE
$13.95KIBBLEWHITE Valve Seal 71006-4For use with intake and exhaust valve guides, Retain their ability to seal in adverse conditions, PTFE seals feature a metal jacket with choker spring, Made in the U.S.A.09260794- SKU:
- 09260794
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- PRODUCT NAME:
- SEAL
- RIDING STYLE:
- STREET
- MATERIAL:
- PTFE
- TYPE:
- VALVE
- UNITS:
- 4 PACK
- APPLICATION:
- INTAKE
$13.95 -
KIBBLEWHITE Valve Seals 71007-4
KIBBLEWHITE
$13.95KIBBLEWHITE Valve Seals 71007-4For use with intake and exhaust valve guides, Retain their ability to seal in adverse conditions, PTFE seals feature a metal jacket with choker spring, Made in the U.S.A.09260795- SKU:
- 09260795
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- APPLICATION:
- EXHAUST
- RIDING STYLE:
- STREET
- MATERIAL:
- PTFE
- PRODUCT NAME:
- SEAL
- TYPE:
- VALVE
- UNITS:
- 4 PACK
$13.95 -
KB PERFORMANCE Piston Kit - FX/FL KB263.STD
KB PERFORMANCE
$249.95KB PERFORMANCE Piston Kit FX/FL KB263.STDManufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloy, Allow a tighter fit and longer piston and ring life, Diamond-machined pistons are held to plus or minus one gram weight and...DS751201- SKU:
- DS751201
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
- COMPRESSION RATIO IMPERIAL:
- 9.0:1
- UNITS:
- KIT
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- BORE SIZE IMPERIAL:
- 3.437'
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
$249.95 -
KB PERFORMANCE Piston Kit - FX/FL KB263.010
KB PERFORMANCE
$249.95KB PERFORMANCE Piston Kit FX/FL KB263.010Manufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloy, Allow a tighter fit and longer piston and ring life, Diamond-machined pistons are held to plus or minus one gram weight and...DS751203- SKU:
- DS751203
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- UNITS:
- KIT
- BORE SIZE IMPERIAL:
- 3.437'
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- COMPRESSION RATIO IMPERIAL:
- 9.0:1
$249.95 -
KB PERFORMANCE Piston Kit - FX/FL KB263.020
KB PERFORMANCE
$249.95KB PERFORMANCE Piston Kit FX/FL KB263.020Manufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloy, Allow a tighter fit and longer piston and ring life, Diamond-machined pistons are held to plus or minus one gram weight and...DS751204- SKU:
- DS751204
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
- COMPRESSION RATIO IMPERIAL:
- 9.0:1
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- BORE SIZE IMPERIAL:
- 3.437'
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
$249.95 -
KB PERFORMANCE Piston Kit - FX/FL KB263.030
KB PERFORMANCE
$249.95KB PERFORMANCE Piston Kit FX/FL KB263.030Manufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloy, Allow a tighter fit and longer piston and ring life, Diamond-machined pistons are held to plus or minus one gram weight and...DS751205- SKU:
- DS751205
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.030'
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- BORE SIZE IMPERIAL:
- 3.437'
- COMPRESSION RATIO IMPERIAL:
- 9.0:1
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- UNITS:
- KIT
$249.95 -
KB PERFORMANCE Piston Kit - FX/FL KB263.040
KB PERFORMANCE
$249.95KB PERFORMANCE Piston Kit FX/FL KB263.040Manufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloy, Allow a tighter fit and longer piston and ring life, Diamond-machined pistons are held to plus or minus one gram weight and...DS751206- SKU:
- DS751206
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- BORE OVERSIZE - IMPERIAL:
- +0.040'
- BORE SIZE IMPERIAL:
- 3.437'
- COMPRESSION RATIO IMPERIAL:
- 9.0:1
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
$249.95 -
KB PERFORMANCE Piston Kit - FX/FL KB263.050
KB PERFORMANCE
$249.95KB PERFORMANCE Piston Kit FX/FL KB263.050Manufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloy, Allow a tighter fit and longer piston and ring life, Diamond-machined pistons are held to plus or minus one gram weight and...DS751207- SKU:
- DS751207
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
- COMPRESSION RATIO IMPERIAL:
- 9.0:1
- UNITS:
- KIT
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- BORE SIZE IMPERIAL:
- 3.437'
- BORE OVERSIZE - IMPERIAL:
- +0.050'
$249.95 -
KB PERFORMANCE Piston Kit - FX/FL KB263.060
KB PERFORMANCE
$249.95KB PERFORMANCE Piston Kit FX/FL KB263.060Manufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloy, Allow a tighter fit and longer piston and ring life, Diamond-machined pistons are held to plus or minus one gram weight and...DS751208- SKU:
- DS751208
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
- BORE OVERSIZE - IMPERIAL:
- +0.060'
- BORE SIZE IMPERIAL:
- 3.437'
- COMPRESSION RATIO IMPERIAL:
- 9.0:1
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- RIDING STYLE:
- STREET
$249.95 -
KB PERFORMANCE Piston Kit - XL KB292.010
KB PERFORMANCE
$279.95KB PERFORMANCE Piston Kit XL KB292.010Manufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloy, Allow a tighter fit and longer piston and ring life, Diamond-machined pistons are held to plus or minus one gram weight and less...DS751218- SKU:
- DS751218
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
- BORE SIZE IMPERIAL:
- 3.1875'
- COMPRESSION RATIO IMPERIAL:
- 8.2:1
- UNITS:
- KIT
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
$279.95
