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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BBR MOTORSPORTS Piston Kit - 240cc 411-HCF-2305
BBR MOTORSPORTS
$157.95BBR MOTORSPORTS Piston Kit 240cc 411-HCF-2305Replacement piston kit includes piston, rings, pin and clips09100842- SKU:
- 09100842
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- STYLE:
- BIG BORE
- DISPLACEMENT:
- 240 CC
- PRODUCT NAME:
- PISTON KIT
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$157.95 -
WISECO Piston Kit - CRF150R - 2mm 4924M06800
WISECO
$264.95Bore: 68.00mmCompression: 12.4:1 CompressionSizing: 2.00mm OversizeForged from high-silicon aluminum alloy for maximum strength and dependability..Innovative forging design and piston skirt provide maximum horsepower and torque..Wiseco High-Performance...09100822- SKU:
- 09100822
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- BORE - OVERSIZE:
- +2,00 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- SKIRT COATING:
- MOLY COATED
- STROKE LENGTH METRIC:
- 43.70 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- +2.00 MM
- BORE SIZE METRIC:
- 68.00 MM
- COMPRESSION RATIO IMPERIAL:
- 12.4:1
- DISPLACEMENT:
- 159 CC
- RIDING STYLE:
- OFF-ROAD
$264.95Qty in Cart: 0Quantity:Price:$264.95Subtotal: -
WISECO Piston Kit - Standard - CRF150R 4924M06600
WISECO
$224.95Wiseco 4924M06600 Piston Kit Elevate your Honda CRF150R’s performance with the Wiseco 4924M06600 Piston Kit, expertly designed to deliver unmatched durability, power, and precision. Engineered for high-performance 4-stroke engines, this piston kit...09100821- SKU:
- 09100821
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH METRIC:
- 43.70 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PRODUCT NAME:
- PISTON
- SKIRT COATING:
- MOLY COATED
- BORE SIZE METRIC:
- 66.00 MM
- COMPRESSION RATIO IMPERIAL:
- 12.2:1
- DISPLACEMENT:
- 150 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$224.95Qty in Cart: 0Quantity:Price:$224.95Subtotal: -
WISECO Piston Kit - Standard - CRF150R 4915M06600
WISECO
$199.95Wiseco 4915M06600 Piston Kit Transform your Honda CRF150R into a true powerhouse with the Wiseco 4915M06600 Piston Kit, engineered to deliver outstanding performance, durability, and precision. This high-compression piston kit is perfect for those who...09100819- SKU:
- 09100819
- Availability:
- Ships Same Business Day
- Weight:
- 0.39 LBS
- STROKE LENGTH METRIC:
- 43.70 MM
- COMPRESSION RATIO IMPERIAL:
- 11.7:1
- SKIRT COATING:
- MOLY COATED
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 66.00 MM
- DISPLACEMENT:
- 150 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
$199.95 -
ATHENA Piston Kit S5F08300002B
ATHENA
$233.95ATHENA Piston Kit S5F08300002BIncludes rings, clips and pin, Easy-to-follow step-by-step installation instructions09100727- SKU:
- 09100727
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 82.96 MM
- PISTON SIZE METRIC:
- STANDARD SIZE B
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- BIG BORE
- PRODUCT NAME:
- PISTON
$233.95 -
BBR MOTORSPORTS Piston Kit - 143cc 411-KLX-1411
BBR MOTORSPORTS
$146.95BBR MOTORSPORTS Piston Kit 143cc 411-KLX-1411Replacement piston kit includes piston, rings, pin and clips09100720- SKU:
- 09100720
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- DISPLACEMENT:
- 143 CC
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- BIG BORE
- UNITS:
- KIT
$146.95 -
ATHENA Piston Kit S4F06600002C
ATHENA
$115.95ATHENA Piston Kit S4F06600002CTwo-stroke pistons are made from 4032 silicium, Four-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistons, Both include 3% copper in materials for better heat resistance, All...09100452- SKU:
- 09100452
- Availability:
- Ships Same Business Day
- Weight:
- 0.62 LBS
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE SIZE METRIC:
- 65.96 MM
- DISPLACEMENT:
- 198 CC
- PISTON HEAD SHAPE:
- FLAT TOP
- TYPE:
- C
- COMPRESSION RATIO IMPERIAL:
- STOCK
- PRODUCT NAME:
- PISTON KIT
$115.95 -
ATHENA Piston Kit S4F10000007A
ATHENA
$240.95ATHENA Piston Kit S4F10000007AIncludes rings, clips and pin, Easy-to-follow step-by-step installation instructions09100255- SKU:
- 09100255
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- COMPRESSION RATIO IMPERIAL:
- 11.6:1
- PISTON SIZE METRIC:
- STANDARD SIZE A
- PISTON DIAMETER METRIC:
- 99.95 MM
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- BIG BORE
- ENGINE TYPE:
- 4-STROKE
- UNITS:
- EACH
$240.95Qty in Cart: 0Quantity:Price:$240.95Subtotal: -
ATHENA Piston Kit S4C05400010A
ATHENA
$126.95ATHENA Piston Kit S4C05400010AIncludes rings, clips and pin, Easy-to-follow step-by-step installation instructions09100253- SKU:
- 09100253
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 53.94 MM
- PISTON SIZE METRIC:
- STANDARD SIZE A
- STYLE:
- STANDARD BORE
- UNITS:
- EACH
- COMPRESSION RATIO IMPERIAL:
- 14.8:1
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- PISTON
$126.95 -
ATHENA Piston Kit S4F07200001C
ATHENA
$235.95ATHENA Piston Kit S4F07200001CTwo-stroke pistons are made from 4032 silicium, Four-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistons, Both include 3% copper in materials for better heat resistance, All...09100174- SKU:
- 09100174
- Availability:
- Ships Same Business Day
- Weight:
- 0.59 LBS
- ENGINE TYPE:
- 2-STROKE
- COMPRESSION RATIO IMPERIAL:
- STOCK
- DISPLACEMENT:
- 300 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE SIZE METRIC:
- 71.95 MM
- PISTON HEAD SHAPE:
- FLAT TOP
- PRODUCT NAME:
- PISTON KIT
- TYPE:
- C
$235.95Qty in Cart: 0Quantity:Price:$235.95Subtotal: -
ATHENA Piston Kit S4F07200001B
ATHENA
$223.95ATHENA Piston Kit S4F07200001BTwo-stroke pistons are made from 4032 silicium, Four-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistons, Both include 3% copper in materials for better heat resistance, All...09100173- SKU:
- 09100173
- Availability:
- Ships Same Business Day
- Weight:
- 0.71 LBS
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- COMPRESSION RATIO IMPERIAL:
- STOCK
- DISPLACEMENT:
- 300 CC
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE SIZE METRIC:
- 71.94 MM
- ENGINE TYPE:
- 2-STROKE
- TYPE:
- B
- PISTON HEAD SHAPE:
- FLAT TOP
- PRODUCT NAME:
- PISTON KIT
$223.95Qty in Cart: 0Quantity:Price:$223.95Subtotal: -
ATHENA Piston Kit S4F07200001A
ATHENA
$235.95ATHENA Piston Kit S4F07200001ATwo-stroke pistons are made from 4032 silicium, Four-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistons, Both include 3% copper in materials for better heat resistance, All...09100172- SKU:
- 09100172
- Availability:
- Ships Same Business Day
- Weight:
- 0.59 LBS
- PRODUCT NAME:
- PISTON KIT
- TYPE:
- A
- BORE SIZE METRIC:
- 71.93 MM
- PISTON HEAD SHAPE:
- FLAT TOP
- COMPRESSION RATIO IMPERIAL:
- STOCK
- DISPLACEMENT:
- 300 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$235.95Qty in Cart: 0Quantity:Price:$235.95Subtotal: -
ATHENA Piston Kit S4F06900001C
ATHENA
$170.95ATHENA Piston Kit S4F06900001CTwo-stroke pistons are made from 4032 silicium, Four-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistons, Both include 3% copper in materials for better heat resistance, All...09100170- SKU:
- 09100170
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- DISPLACEMENT:
- 220 CC
- ENGINE TYPE:
- 2-STROKE
- BORE SIZE METRIC:
- 68.96 MM
- PISTON HEAD SHAPE:
- DOMED
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- COMPRESSION RATIO IMPERIAL:
- STOCK
- PRODUCT NAME:
- PISTON KIT
- TYPE:
- C
- UNITS:
- KIT
$170.95 -
ATHENA Piston Kit S4F06900001B
ATHENA
$170.95ATHENA Piston Kit S4F06900001BTwo-stroke pistons are made from 4032 silicium, Four-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistons, Both include 3% copper in materials for better heat resistance, All...09100169- SKU:
- 09100169
- Availability:
- Ships Same Business Day
- Weight:
- 0.62 LBS
- BORE SIZE METRIC:
- 68.95 MM
- DISPLACEMENT:
- 220 CC
- PISTON HEAD SHAPE:
- DOMED
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- COMPRESSION RATIO IMPERIAL:
- STOCK
- PRODUCT NAME:
- PISTON KIT
- TYPE:
- B
$170.95Qty in Cart: 0Quantity:Price:$170.95Subtotal: -
ATHENA Piston Kit S4F06900001A
ATHENA
$170.95ATHENA Piston Kit S4F06900001ATwo-stroke pistons are made from 4032 silicium, Four-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistons, Both include 3% copper in materials for better heat resistance, All...09100168- SKU:
- 09100168
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- DISPLACEMENT:
- 220 CC
- TYPE:
- A
- ENGINE TYPE:
- 2-STROKE
- BORE SIZE METRIC:
- 68.94 MM
- PISTON HEAD SHAPE:
- DOMED
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- COMPRESSION RATIO IMPERIAL:
- STOCK
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
$170.95 -
ATHENA Piston Kit S4F06640007A
ATHENA
$172.95ATHENA Piston Kit S4F06640007ATwo-stroke pistons are made from 4032 silicium, Four-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistons, Both include 3% copper in materials for better heat resistance, All...09100131- SKU:
- 09100131
- Availability:
- Ships Same Business Day
- Weight:
- 0.62 LBS
- COMPRESSION RATIO IMPERIAL:
- STOCK
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE SIZE METRIC:
- 66.34 MM
- PISTON HEAD SHAPE:
- FLAT TOP
- DISPLACEMENT:
- 250 CC
- PRODUCT NAME:
- PISTON KIT
- TYPE:
- A
$172.95Qty in Cart: 0Quantity:Price:$172.95Subtotal: -
WISECO Engine Rebuild Kit PWR153-101
WISECO
$664.95WISECO Engine Rebuild Kit PWR153-101Includes all top and bottom-end components for a complete engine rebuild, 4-stroke kits include a premium forged piston kit with stock compression ratio and a high-quality cam chain, 2-stroke kits include a Pro-Lite®...09031616- SKU:
- 09031616
- Availability:
- Ships Same Business Day
- Weight:
- 10.55 LBS
- BORE SIZE METRIC:
- 54.00 MM
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
$664.95Qty in Cart: 0Quantity:Price:$664.95Subtotal: -
WISECO Engine Kit - 85SX - 2004-2012 PWR162-100
WISECO
$469.95WISECO Engine Kit 85SX 2004-2012 PWR162-100Includes all top and bottom-end components for a complete engine rebuild, Crankshaft and rod assembly designed and inspected to assure durability, Kit includes main bearings, seals, gaskets, an hour meter and...09031540- SKU:
- 09031540
- Availability:
- Ships Same Business Day
- Weight:
- 7.70 LBS
- BORE SIZE METRIC:
- 47.00 MM
- FEATURES:
- GP SERIES PISTON
- UNITS:
- KIT
- DISPLACEMENT:
- 85 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- GARAGE BUDDY
- RIDING STYLE:
- OFF-ROAD
- OVERBORE METRIC:
- STANDARD
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
$469.95 -
WISECO Engine Kit - 65SX PWR161B-100
WISECO
$469.95WISECO Engine Kit 65SX PWR161B-100Includes all top and bottom-end components for a complete engine rebuild, Crankshaft and rod assembly designed and inspected to assure durability, Kit includes main bearings, seals, gaskets, an hour meter and bracket09031539- SKU:
- 09031539
- Availability:
- Ships Same Business Day
- Weight:
- 7.05 LBS
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
- ENGINE TYPE:
- 2-STROKE
- OVERBORE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 45.00 MM
- DISPLACEMENT:
- 65 CC
- FEATURES:
- PROLITE® PISTON
- MODEL:
- GARAGE BUDDY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$469.95 -
WISECO Piston Kit with Gasket - KTM PK1850
WISECO
$339.95Wiseco PK1850 Piston Kit Unleash the full potential of your 4-stroke engine with the Wiseco PK1850 Piston Kit, meticulously crafted for superior durability, performance, and efficiency. Designed for the toughest riding conditions and high-performance...09031161- SKU:
- 09031161
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE SIZE METRIC:
- 95.00 MM
- MODEL:
- FORGED SERIES
- STROKE LENGTH METRIC:
- 72.00 MM
- DISPLACEMENT:
- 510 CC
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 94.92 MM
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
$339.95Qty in Cart: 0Quantity:Price:$339.95Subtotal:
