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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- Qty in Cart
- Quantity
- Price
- Subtotal
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PROX Piston Kit 01.4223.C
PROX
$101.95PROX Piston Kit 01.4223.CManufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances, Pistons supplied in a kit...09100026- SKU:
- 09100026
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE SIZE METRIC:
- 53.97 MM
- PISTON SIZE METRIC:
- STANDARD SIZE C
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- PISTON DIAMETER METRIC:
- 53.97 MM
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- PISTON KIT
$101.95 -
PROX Piston Kit 01.2406.A
PROX
$179.95PROX Piston Kit 01.2406.AManufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances, Pistons supplied in a kit...09100027- SKU:
- 09100027
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PISTON DIAMETER METRIC:
- 76.95 MM
- BORE SIZE METRIC:
- 76.95 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- EACH
- PISTON SIZE METRIC:
- STANDARD SIZE A
- RIDING STYLE:
- OFF-ROAD
$179.95 -
PROX Piston Kit 01.2406.B
PROX
$179.95PROX Piston Kit 01.2406.BManufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances, Pistons supplied in a kit...09100028- SKU:
- 09100028
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE SIZE METRIC:
- 76.96 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 76.96 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- EACH
- PISTON SIZE METRIC:
- STANDARD SIZE B
- RIDING STYLE:
- OFF-ROAD
$179.95 -
PROX Piston Kit 01.2427.A
PROX
$185.95PROX Piston Kit 01.2427.AManufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances, Pistons supplied in a kit...09100031- SKU:
- 09100031
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE SIZE METRIC:
- 94.95 MM
- PISTON SIZE METRIC:
- STANDARD SIZE A
- RIDING STYLE:
- OFF-ROAD
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 94.95 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- EACH
$185.95 -
PROX Piston Kit - KDX200 '86-'06 01.4285.D
PROX
$129.95PROX Piston Kit KDX200 '86-'06 01.4285.DManufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances, Pistons supplied...09101453- SKU:
- 09101453
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- PISTON DIAMETER METRIC:
- 65.97 MM
- PRODUCT NAME:
- PISTON KIT
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- SKIRT COATING:
- MOLY COATED
$129.95 -
PROX Piston Kit 01.4409.A
PROX
$189.95PROX Piston Kit 01.4409.AManufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances, Pistons supplied in a kit...09101465- SKU:
- 09101465
- Availability:
- Ships Same Business Day
- Weight:
- 0.82 LBS
- RIDING STYLE:
- OFF-ROAD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- EACH
- BORE SIZE METRIC:
- 95.97 MM
- PISTON SIZE METRIC:
- STANDARD SIZE A
- PISTON DIAMETER METRIC:
- 95.97 MM
$189.95 -
PROX Piston Kit 01.4409.B
PROX
$189.95PROX Piston Kit 01.4409.BManufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances, Pistons supplied in a kit...09101466- SKU:
- 09101466
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON SIZE METRIC:
- STANDARD SIZE B
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- BORE SIZE METRIC:
- 95.98 MM
- PRODUCT NAME:
- PISTON KIT
- PISTON DIAMETER METRIC:
- 95.98 MM
$189.95 -
PROX Top End Gasket Set - Yamaha 35.2214
PROX
$24.95PROX Top End Gasket Set Yamaha 35.2214PROX Top End Gasket Set - Yamaha09345693- SKU:
- 09345693
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- GASKET SET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- SET
- TYPE:
- TOP END
$24.95Qty in Cart: 0Quantity:Price:$24.95Subtotal: -
PROX Top End Gasket Set - Yamaha 35.2218
PROX
$24.95PROX Top End Gasket Set Yamaha 35.2218PROX Top End Gasket Set - Yamaha09345694- SKU:
- 09345694
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- GASKET SET
- TYPE:
- TOP END
- UNITS:
- SET
$24.95 -
PROX Top End Gasket Set - Yamaha 35.2222
PROX
$24.95PROX Top End Gasket Set Yamaha 35.2222PROX Top End Gasket Set - Yamaha09345695- SKU:
- 09345695
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- UNITS:
- SET
- PRODUCT NAME:
- GASKET SET
- TYPE:
- TOP END
- RIDING STYLE:
- OFF-ROAD
$24.95 -
PROX Top End Gasket Set - Yamaha 35.2225
PROX
$29.95PROX Top End Gasket Set Yamaha 35.2225PROX Top End Gasket Set - Yamaha09345696- SKU:
- 09345696
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- PRODUCT NAME:
- GASKET SET
- UNITS:
- SET
$29.95 -
PROX Top End Gasket Set - Yamaha 35.2319
PROX
$29.95PROX Top End Gasket Set Yamaha 35.2319PROX Top End Gasket Set - Yamaha09345702- SKU:
- 09345702
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- UNITS:
- SET
- PRODUCT NAME:
- GASKET SET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
$29.95 -
PROX Top End Gasket Set - Yamaha 35.2320
PROX
$29.95PROX Top End Gasket Set Yamaha 35.2320PROX Top End Gasket Set - Yamaha09345703- SKU:
- 09345703
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- GASKET SET
- TYPE:
- TOP END
$29.95 -
PROX Top End Gasket Set - Yamaha 35.2401
PROX
$59.95PROX Top End Gasket Set Yamaha 35.2401PROX Top End Gasket Set - Yamaha09345705- SKU:
- 09345705
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- UNITS:
- SET
- PRODUCT NAME:
- GASKET SET
- RIDING STYLE:
- OFF-ROAD
- ENGINE TYPE:
- 4-STROKE
- TYPE:
- TOP END
$59.95 -
PROX Top End Gasket Set - Yamaha 35.2414
PROX
$54.95PROX Top End Gasket Set Yamaha 35.2414PROX Top End Gasket Set - Yamaha09345707- SKU:
- 09345707
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- GASKET SET
$54.95 -
PROX Top End Gasket Set - Yamaha 35.2418
PROX
$69.95PROX Top End Gasket Set Yamaha 35.2418PROX Top End Gasket Set - Yamaha09345708- SKU:
- 09345708
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- GASKET SET
- TYPE:
- TOP END
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
$69.95 -
PROX Top End Gasket Set - Yamaha 35.2426
PROX
$69.95PROX Top End Gasket Set Yamaha 35.2426PROX Top End Gasket Set - Yamaha09345711- SKU:
- 09345711
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- GASKET SET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- SET
$69.95 -
PROX Top End Gasket Set - Suzuki 35.3111
PROX
$14.95PROX Top End Gasket Set Suzuki 35.3111PROX Top End Gasket Set - Suzuki09345716- SKU:
- 09345716
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- GASKET SET
- TYPE:
- TOP END
$14.95 -
PROX Top End Gasket Set - Suzuki 35.3122
PROX
$19.95PROX Top End Gasket Set Suzuki 35.3122PROX Top End Gasket Set - Suzuki09345717- SKU:
- 09345717
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- UNITS:
- SET
- PRODUCT NAME:
- GASKET SET
- TYPE:
- TOP END
- RIDING STYLE:
- OFF-ROAD
$19.95 -
PROX Top End Gasket Set - Suzuki 35.3218
PROX
$24.95PROX Top End Gasket Set Suzuki 35.3218PROX Top End Gasket Set - Suzuki09345724- SKU:
- 09345724
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- GASKET SET
- TYPE:
- TOP END
$24.95
