
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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- Price
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MOOSE RACING Top End Gasket Kit - CR125R 810231
MOOSE RACING
$34.00MOOSE RACING Top End Gasket Kit CR125R 810231Moose 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...M810231- SKU:
- M810231
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
$34.00Qty in Cart: 0Quantity:Price:$34.00Subtotal: -
MOOSE RACING Top End Gasket Kit - CR125R 810232
MOOSE RACING
$20.12MOOSE RACING Top End Gasket Kit CR125R 810232Moose 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...M810232- SKU:
- M810232
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- TYPE:
- TOP END
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$20.12 -
MOOSE RACING Top End Gasket Kit - CR125R 810233
MOOSE RACING
$36.52MOOSE RACING Top End Gasket Kit CR125R 810233Moose 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...M810233- SKU:
- M810233
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- TOP END
$36.52 -
MOOSE RACING Top End Gasket Kit - CR125 810235
MOOSE RACING
$32.14MOOSE RACING Top End Gasket Kit CR125 810235Moose 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...M810235- SKU:
- M810235
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
$32.14 -
MOOSE RACING Top End Gasket Kit - CR250 810251
MOOSE RACING
$15.08MOOSE RACING Top End Gasket Kit CR250 810251Moose 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...M810251- SKU:
- M810251
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
$15.08Qty in Cart: 0Quantity:Price:$15.08Subtotal: -
MOOSE RACING Top End Gasket Kit - CR250R 810252
MOOSE RACING
$18.86MOOSE RACING Top End Gasket Kit CR250R 810252Moose 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...M810252- SKU:
- M810252
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
$18.86 -
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
$20.12 -
LA SLEEVE Cylinder Sleeve FL5064
LA SLEEVE
$164.95LA 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
$164.95Qty in Cart: 0Quantity:Price:$164.95Subtotal: -
LA SLEEVE Cylinder Sleeve FL5093
LA SLEEVE
$174.95LA 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
$174.95 -
LA SLEEVE Cylinder Sleeve FL5140
LA SLEEVE
$132.95LA 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
$132.95 -
LA SLEEVE Cylinder Sleeve FL5181
LA SLEEVE
$145.95LA 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
$145.95 -
LA SLEEVE Cylinder Sleeve FL5182
LA SLEEVE
$174.95LA 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
$174.95Qty in Cart: 0Quantity:Price:$174.95Subtotal: -
LA SLEEVE Sleeve and Piston Kit - Kawasaki LAS5778K
LA SLEEVE
$322.95LA 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
$322.95 -
On Sale
LA SLEEVE Cylinder Sleeve FL5769
LA SLEEVE
MSRP: $129.95Now: $83.00Was: $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: $83.00Was: $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
$291.95LA 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
$291.95 -
KB PERFORMANCE PISTON KIT M8 117" +030 KB542LCA.030
KB PERFORMANCE
$444.95KB PERFORMANCE PISTON KIT M8 117" +030 KB542LCA.030Super Duty Series includes:, Anodized top ring groove and crown, Line2Line abradable skirt coating applied to .003" total thickness for a zero initial fit to allow coating to hone in for a tight quiet...09105727- SKU:
- 09105727
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- DISPLACEMENT:
- 117'
- RIDING STYLE:
- STREET
- BORE SIZE METRIC:
- 104.77 MM
- PISTON MATERIAL:
- ALUMINUM
- STROKE LENGTH IMPERIAL:
- 4-1/2'
- UNITS:
- KIT
- PRODUCT NAME:
- PISTON KIT
$444.95Qty in Cart: 0Quantity:Price:$444.95Subtotal: -
On Sale
K&S TECHNOLOGIES Water Pump Repair Gasket Kit - CR250R 75-1006
K&S TECHNOLOGIES
MSRP: $32.95Now: $21.00Was: $32.95K&S TECHNOLOGIES Water Pump Repair Gasket Kit CR250R 75-1006Each kit includes all necessary gaskets, washers, seals and O-rings; kit contents vary by model09341914- SKU:
- 09341914
- Availability:
- Ships Same Business Day
- Weight:
- 0.22 LBS
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP REPAIR
- UNITS:
- KIT
MSRP: $32.95Now: $21.00Was: $32.95 -
On Sale
K&S TECHNOLOGIES Water Pump Repair Gasket - KX250F 75-2001
K&S TECHNOLOGIES
MSRP: $52.95Now: $34.00Was: $52.95K&S TECHNOLOGIES Water Pump Repair Gasket KX250F 75-2001Each kit includes all necessary gaskets, washers, seals and O-rings; kit contents vary by model09341915- SKU:
- 09341915
- Availability:
- Ships Same Business Day
- Weight:
- 0.22 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP REPAIR
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
MSRP: $52.95Now: $34.00Was: $52.95 -
K&S TECHNOLOGIES Water Pump Repair Kit - CR85R 75-1008
K&S TECHNOLOGIES
$30.95K&S TECHNOLOGIES Water Pump Repair Kit CR85R 75-1008Each kit includes all necessary gaskets, washers, seals and O-rings; kit contents vary by model09342879- SKU:
- 09342879
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP REPAIR
- UNITS:
- KIT
$30.95Qty in Cart: 0Quantity:Price:$30.95Subtotal: