
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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ATHENA Cylinder Kit - YZ125 - 54mm P400485100003
ATHENA
$931.95Kits include aluminum cylinder with nickel-carbide coating designed with larger water jackets, Forged piston with molybdenum coating, Special gasket kit, Easy-to-follow step-by-step installation instructions, All are bolt-on; no machining required4.00485E+11- SKU:
- 4.00485E+11
- Weight:
- 88.00 LBS
$931.95 -
ATHENA Cylinder Kit - YZ125 - 54mm P400485100008
ATHENA
$814.95Kits include aluminum cylinder with nickel-carbide coating designed with larger water jackets, Forged piston with molybdenum coating, Special gasket kit, Easy-to-follow step-by-step installation instructions, All are bolt-on; no machining required400485100008- SKU:
- 400485100008
- Weight:
- 70.00 LBS
$814.95 -
ATHENA Top End Gasket Kit - Yamaha P400485600089
ATHENA
$21.95Specifically designed for the pro, semi-pro and amateur rider who freshens up their engine prior to a race or during midseason. Gives the rider a choice of using standard gas with stock compression, or race gas with a higher compression. Kits do not...400485600089- SKU:
- 400485600089
- Weight:
- 0.00 LBS
$21.95Qty in Cart: 0Quantity:Price:$21.95Subtotal: -
ATHENA Complete Gasket Kit - KTM P400270900093
ATHENA
$210.95ATHENA Complete Gasket Kit KTM P400270900093Head gaskets feature rubber-coated spring steel construction, Soft steel base gaskets are rubber coated, Steel core materials feature high spring-back and superior tensile strength, Revolutionary transparent...09346463- SKU:
- 09346463
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
$210.95Qty in Cart: 0Quantity:Price:$210.95Subtotal: -
ATHENA Race Gasket Kit - KTM R2706-093
ATHENA
$68.95ATHENA Race Gasket Kit KTM R2706-093Specifically designed for the pro, semi-pro and amateur rider who freshens up their engine prior to a race or during mid-season, Kits include a top-of-the line MLSS head gasket and two or more premium-quality base...09346465- SKU:
- 09346465
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- STREET
- TYPE:
- ENGINE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
$68.95Qty in Cart: 0Quantity:Price:$68.95Subtotal: -
ATHENA Top End Gasket Kit - Kawasaki P400250600069
ATHENA
$89.95ATHENA Top End Gasket Kit Kawasaki P400250600069Specifically designed for the pro, semi-pro and amateur rider who freshens up their engine prior to a race or during midseason. Gives the rider a choice of using standard gas with stock compression, or race...09346466- SKU:
- 09346466
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- TOP END
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$89.95 -
ATHENA Complete Gasket Kit - Kawasaki P400250900069
ATHENA
$260.95ATHENA Complete Gasket Kit Kawasaki P400250900069Head gaskets feature rubber-coated spring steel construction, Soft steel base gaskets are rubber coated, Steel core materials feature high spring-back and superior tensile strength, Revolutionary...09346467- SKU:
- 09346467
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- UNITS:
- KIT
$260.95 -
ATHENA Race Gasket Kit - Kawasaki R2506-069
ATHENA
$54.95ATHENA Race Gasket Kit Kawasaki R2506-069Specifically designed for the pro, semi-pro and amateur rider who freshens up their engine prior to a race or during mid-season, Kits include a top-of-the line MLSS head gasket and two or more premium-quality base...09346469- SKU:
- 09346469
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- TYPE:
- ENGINE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
$54.95 -
ATHENA Top End Gasket Kit - Yamaha P400485600213
ATHENA
$61.95ATHENA Top End Gasket Kit Yamaha P400485600213Specifically designed for the pro, semi-pro and amateur rider who freshens up their engine prior to a race or during midseason. Gives the rider a choice of using standard gas with stock compression, or race...09346470- SKU:
- 09346470
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- TOP END
$61.95 -
ATHENA Complete Gasket Kit - Yamaha P400485900213
ATHENA
$172.95ATHENA Complete Gasket Kit Yamaha P400485900213Head gaskets feature rubber-coated spring steel construction, Soft steel base gaskets are rubber coated, Steel core materials feature high spring-back and superior tensile strength, Revolutionary transparent...09346471- SKU:
- 09346471
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- UNITS:
- KIT
$172.95 -
ATHENA Race Gasket Kit - Yamaha R4856-213
ATHENA
$72.95ATHENA Race Gasket Kit Yamaha R4856-213Specifically designed for the pro, semi-pro and amateur rider who freshens up their engine prior to a race or during mid-season, Kits include a top-of-the line MLSS head gasket and two or more premium-quality base...09346472- SKU:
- 09346472
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- ENGINE
- UNITS:
- KIT
$72.95 -
ATHENA Race Gasket Kit - Honda R2106-317
ATHENA
$71.95ATHENA Race Gasket Kit Honda R2106-317Head gaskets feature rubber-coated spring steel construction, Soft steel base gaskets are rubber coated, Steel core materials feature high spring-back and superior tensile strength, Revolutionary transparent coating...09345462- SKU:
- 09345462
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- TOP END
$71.95 -
ATHENA Top End Gasket Kit - Honda P400210600317
ATHENA
$82.95ATHENA Top End Gasket Kit Honda P400210600317Head gaskets feature rubber-coated spring steel construction, Soft steel base gaskets are rubber coated, Steel core materials feature high spring-back and superior tensile strength, Revolutionary transparent...09345463- SKU:
- 09345463
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- TOP END
$82.95 -
ATHENA Top End Gasket Kit - Husqvarna P400270600077
ATHENA
$93.95ATHENA Top End Gasket Kit Husqvarna P400270600077Head gaskets feature rubber-coated spring steel construction, Soft steel base gaskets are rubber coated, Steel core materials feature high spring-back and superior tensile strength, Revolutionary...09345465- SKU:
- 09345465
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- TOP END
$93.95 -
ATHENA Complete Gasket Kit - Husqvarna P400270900077
ATHENA
$231.95ATHENA Complete Gasket Kit Husqvarna P400270900077Head gaskets feature rubber-coated spring steel construction, Soft steel base gaskets are rubber coated, Steel core materials feature high spring-back and superior tensile strength, Revolutionary...09345466- SKU:
- 09345466
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- UNITS:
- KIT
$231.95 -
ATHENA Top End Gasket Kit - Husqvarna P400270600078
ATHENA
$97.95ATHENA Top End Gasket Kit Husqvarna P400270600078Head gaskets feature rubber-coated spring steel construction, Soft steel base gaskets are rubber coated, Steel core materials feature high spring-back and superior tensile strength, Revolutionary...09345471- SKU:
- 09345471
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- STREET
- TYPE:
- TOP END
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$97.95 -
ATHENA Complete Gasket Kit - Husqvarna P400270900078
ATHENA
$182.95ATHENA Complete Gasket Kit Husqvarna P400270900078Head gaskets feature rubber-coated spring steel construction, Soft steel base gaskets are rubber coated, Steel core materials feature high spring-back and superior tensile strength, Revolutionary...09345472- SKU:
- 09345472
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- UNITS:
- KIT
$182.95 -
ATHENA Race Gasket Kit - Husqvarna R2706-079
ATHENA
$57.95ATHENA Race Gasket Kit Husqvarna R2706-079Head gaskets feature rubber-coated spring steel construction, Soft steel base gaskets are rubber coated, Steel core materials feature high spring-back and superior tensile strength, Revolutionary transparent...09345474- SKU:
- 09345474
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
$57.95 -
ATHENA Top End Gasket Kit - Husqvarna P400270600079
ATHENA
$129.95ATHENA Top End Gasket Kit Husqvarna P400270600079Head gaskets feature rubber-coated spring steel construction, Soft steel base gaskets are rubber coated, Steel core materials feature high spring-back and superior tensile strength, Revolutionary...09345475- SKU:
- 09345475
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
$129.95 -
ATHENA Race Gasket Kit - Husqvarna R2706-081
ATHENA
$67.95ATHENA Race Gasket Kit Husqvarna R2706-081Head gaskets feature rubber-coated spring steel construction, Soft steel base gaskets are rubber coated, Steel core materials feature high spring-back and superior tensile strength, Revolutionary transparent...09345478- SKU:
- 09345478
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- TOP END
- RIDING STYLE:
- OFF-ROAD
$67.95