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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On Sale
VERTEX Piston Kit - High Compression 23959A
VERTEX
MSRP: $247.95Now: $162.00Was: $247.95VERTEX Piston Kit High Compression 23959AAll pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life09103399- SKU:
- 09103399
- Availability:
- Ships Same Business Day
- Weight:
- 0.93 LBS
- DISPLACEMENT:
- 450 CC
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 96.94 MM
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- STYLE:
- FORGED HIGH COMPRESSION
- UNITS:
- KIT
- CYLINDER DIAMETER METRIC:
- 97.00 MM
- RIDING STYLE:
- OFF-ROAD
MSRP: $247.95Now: $162.00Was: $247.95 -
On Sale
VERTEX Piston Kit 23961B
VERTEX
MSRP: $198.95Now: $130.00Was: $198.95VERTEX Piston Kit 23961BAll pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life09103406- SKU:
- 09103406
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
MSRP: $198.95Now: $130.00Was: $198.95 -
VERTEX Piston Kit 23961C
VERTEX
$191.95VERTEX Piston Kit 23961CAll pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life09103407- SKU:
- 09103407
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
$191.95Qty in Cart: 0Quantity:Price:$191.95Subtotal: -
VERTEX Piston Kit 23384400
VERTEX
$193.95VERTEX Piston Kit 23384400All pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life09102540- SKU:
- 09102540
- Availability:
- Ships Same Business Day
- Weight:
- 0.42 LBS
$193.95 -
VERTEX Piston Kit 22356A
VERTEX
$193.95VERTEX Piston Kit 22356AAll pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life09102541- SKU:
- 09102541
- Availability:
- Ships Same Business Day
- Weight:
- 0.73 LBS
- CYLINDER DIAMETER METRIC:
- 68.00 MM
- DISPLACEMENT:
- 250 CC
- PRODUCT NAME:
- PISTON KIT
- PISTON DIAMETER METRIC:
- 67.94 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- CAST
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- STYLE:
- CAST REPLICA
$193.95 -
VERTEX Piston Kit 22584A
VERTEX
$169.95VERTEX Piston Kit 22584AAll pistons are heat treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life, Cast piston kits are gravity...09102542- SKU:
- 09102542
- Availability:
- Ships Same Business Day
- Weight:
- 0.71 LBS
- CYLINDER DIAMETER METRIC:
- 66.40 MM
- DISPLACEMENT:
- 250 CC
- PISTON DIAMETER METRIC:
- 66.34 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST REPLICA
$169.95 -
VERTEX Piston Kit 22600B
VERTEX
$177.95VERTEX Piston Kit 22600BAll pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life, Cast piston kits are...09102543- SKU:
- 09102543
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- CYLINDER DIAMETER METRIC:
- 54.00 MM
- DISPLACEMENT:
- 125 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 53.95 MM
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- STYLE:
- CAST REPLICA
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$177.95 -
VERTEX Piston Kit 22601B
VERTEX
$218.95VERTEX Piston Kit 22601BAll pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life, Cast piston kits are...09102544- SKU:
- 09102544
- Availability:
- Ships Same Business Day
- Weight:
- 0.71 LBS
- CYLINDER DIAMETER METRIC:
- 66.40 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON DIAMETER METRIC:
- 66.95 MM
- STYLE:
- CAST REPLICA
- DISPLACEMENT:
- 250 CC
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- PISTON MATERIAL:
- CAST
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$218.95 -
VERTEX Piston Kit 22926C
VERTEX
$206.95VERTEX Piston Kit 22926CAll pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life09102547- SKU:
- 09102547
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- ENGINE TYPE:
- 2-STROKE
- STYLE:
- CAST REPLICA
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- CYLINDER DIAMETER METRIC:
- 64.00 MM
- DISPLACEMENT:
- 200 CC
- PISTON DIAMETER METRIC:
- 63.96 MM
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
$206.95 -
VERTEX Piston Kit 23235B
VERTEX
$280.95VERTEX Piston Kit 23235BAll pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life09102549- SKU:
- 09102549
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
$280.95 -
VERTEX Piston Kit 23236B
VERTEX
$265.95VERTEX Piston Kit 23236BAll pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life09102551- SKU:
- 09102551
- Availability:
- Ships Same Business Day
- Weight:
- 0.58 LBS
- PISTON DIAMETER METRIC:
- 75.97 MM
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- FORGED HIGH COMPRESSION
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 13.3:1
- DISPLACEMENT:
- 250 CC
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- PISTON KIT
- CYLINDER DIAMETER METRIC:
- 76.00 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
$265.95Qty in Cart: 0Quantity:Price:$265.95Subtotal: -
WISECO Wrist Pin S484
WISECO
$22.99Wiseco Wrist Pins S484 Engineered for exceptional strength and durability. Lightweight design enhances overall performance. Compatible with OEM pistons for versatile applications. Precision manufacturing ensures optimal fit and function...S484- SKU:
- S484
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- APPLICATION:
- PISTON
- PRODUCT NAME:
- WRIST PIN
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- LENGTH METRIC:
- 58.20 MM
- OUTSIDE DIAMETER METRIC:
- 18 MM
$22.99 -
WISECO Wrist Pin S508
WISECO
$22.99Wiseco's high-tech manufacturing ensures greater operating strength and lower expansion at high temperaturesS508- SKU:
- S508
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- APPLICATION:
- PISTON
- LENGTH METRIC:
- 72 MM
- MATERIAL:
- ALUMINUM
- OUTSIDE DIAMETER:
- 18,00 MM
- PRODUCT NAME:
- WRIST PIN
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
- LENGTH:
- 72 MM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER METRIC:
- 18.00 MM
$22.99 -
WISECO Wrist Pin S512
WISECO
$22.99Wiseco High-Tech Performance Component S512 Engineered for superior operating strength under extreme conditions. Minimized thermal expansion for enhanced performance at high temperatures. Precision manufacturing process guarantees...S512X- SKU:
- S512X
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- UNITS:
- EACH
- MATERIAL:
- ALUMINUM
- OUTSIDE DIAMETER:
- 20,00 MM
- PRODUCT NAME:
- WRIST PIN
- RIDING STYLE:
- WATERCRAFT
- APPLICATION:
- PISTON
- LENGTH METRIC:
- 60 MM
- MATERIAL:
- SILICONE
- RIDING STYLE:
- OFF-ROAD
- LENGTH:
- 60 MM
- OUTSIDE DIAMETER METRIC:
- 20.00 MM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
$22.99 -
WISECO Wrist Pin S513
WISECO
$22.99Wiseco High-Tech Piston S513 Advanced manufacturing process for enhanced durability Superior strength to withstand demanding conditions Reduced thermal expansion for optimal performance Engineered for high-temperature applications ...S513- SKU:
- S513
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- APPLICATION:
- PISTON
- MATERIAL:
- ALUMINUM
- OUTSIDE DIAMETER:
- 18,00 MM
- PRODUCT NAME:
- WRIST PIN
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- LENGTH:
- 58,5 MM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- WATERCRAFT
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- LENGTH METRIC:
- 58.5 MM
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER METRIC:
- 18.00 MM
$22.99 -
WISECO Wrist Pin S514
WISECO
$22.99Wiseco's high-tech manufacturing ensures greater operating strength and lower expansion at high temperaturesS514- SKU:
- S514
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- OUTSIDE DIAMETER:
- 16,00 MM
- APPLICATION:
- PISTON
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER METRIC:
- 16.00 MM
- LENGTH METRIC:
- 50.6 MM
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- WRIST PIN
- LENGTH:
- 50,6 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$22.99 -
WISECO Wrist Pin S517
WISECO
$22.99Wiseco High-Tech Component S517 Engineered for superior operating strength Minimized expansion at elevated temperatures Precision manufacturing for optimal performance Durable materials for long-lasting use Designed to enhance engine...S517- SKU:
- S517
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- LENGTH:
- 45,80 MM
- LENGTH METRIC:
- 45.80 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- WRIST PIN
- RIDING STYLE:
- STREET
- APPLICATION:
- PISTON
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER:
- 14,00 MM
- OUTSIDE DIAMETER METRIC:
- 14.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$22.99 -
WISECO Wrist Pin S520
WISECO
$18.99Wiseco High-Tech Component S520 Advanced manufacturing process for enhanced durability Optimized for superior performance at elevated temperatures Reduces thermal expansion, ensuring a stable operation Engineered for high strength and...S520- SKU:
- S520
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- LENGTH METRIC:
- 70 MM
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER:
- 20,00 MM
- OUTSIDE DIAMETER METRIC:
- 20.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- LENGTH:
- 70 MM
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- PISTON
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- WRIST PIN
- RIDING STYLE:
- STREET
$18.99 -
WISECO Piston - Honda - .50mm 450M05000
WISECO
$134.95WISECO Piston Honda .50mm 450M05000 Revitalize your engine's performance with the Wiseco Piston Kit, the ultimate solution for riders seeking strength, precision, and reliability. Designed for a seamless fit, this piston kit ensures your bike maintains...450M05000- SKU:
- 450M05000
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- DISPLACEMENT:
- 79.7 CC
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 41.40 MM
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 50.00 MM
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PISTON DIAMETER METRIC:
- 49.95 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
$134.95 -
WISECO Piston Kit - Yamaha 40111M09700
WISECO
$239.95Wiseco Piston Kit - 40111M09700 Unlock the true potential of your Yamaha with the Wiseco Piston Kit. Expertly crafted for high-performance engines, this piston kit is built to deliver unparalleled power, reliability, and efficiency, ensuring you stay...09103910- SKU:
- 09103910
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- BORE - OVERSIZE:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 60.80 MM
- UNITS:
- EACH
- BORE SIZE METRIC:
- 97.00 MM
- DISPLACEMENT:
- 449 CC
$239.95
