Dirt Bike Piston and Ring Kits
J&J Motorsports is a leading supplier of dirt bike engine parts, offering a wide selection of pistons and piston ring kits from popular brands like Wiseco and Vertex Racing. We're proud to offer dirt bike parts from some of the most trusted names in the business, and we're committed to offering the best prices and customer service around. Whether you're looking for a replacement piston for your dirt bike or a complete piston ring kit, we've got you covered. Browse our selection of dirt bike engine parts today and find the perfect fit for your ride. Thanks for shopping with J&J Motorsports!
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On Sale
VERTEX Piston Kit VTK23630A-1
VERTEX
MSRP: $219.95Now: $201.56Was: $223.95VERTEX Piston Kit VTK23630A-1All 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 life09103096- SKU:
- 09103096
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- CYLINDER DIAMETER METRIC:
- 66.40 MM
- DISPLACEMENT:
- 250 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 66.34 MM
- RIDING STYLE:
- STREET
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PRODUCT NAME:
- TOP END PISTON KIT
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST REPLICA
- PISTON MATERIAL:
- CAST
- UNITS:
- KIT
MSRP: $219.95Now: $201.56Was: $223.95 -
On Sale
VERTEX Piston Kit VTK23630B-1
VERTEX
MSRP: $219.95Now: $201.56Was: $223.95VERTEX Piston Kit VTK23630B-1All 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 life09103098- SKU:
- 09103098
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- DISPLACEMENT:
- 250 CC
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- TOP END PISTON KIT
- RIDING STYLE:
- STREET
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- CYLINDER DIAMETER METRIC:
- 66.40 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 66.35 MM
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST REPLICA
MSRP: $219.95Now: $201.56Was: $223.95 -
On Sale
VERTEX Piston Kit VTK23630B
VERTEX
MSRP: $215.95Now: $197.96Was: $219.95VERTEX Piston Kit VTK23630BAll 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 life09103099- SKU:
- 09103099
- Availability:
- Ships Same Business Day
- Weight:
- 1.24 LBS
- DISPLACEMENT:
- 250 CC
- PRODUCT NAME:
- TOP END PISTON KIT
- RIDING STYLE:
- STREET
- CYLINDER DIAMETER METRIC:
- 66.40 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- CAST
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 66.35 MM
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST REPLICA
MSRP: $215.95Now: $197.96Was: $219.95 -
On Sale
VERTEX Piston Kit VTK23375B-2
VERTEX
MSRP: $241.95Now: $222.26Was: $246.95VERTEX Piston Kit VTK23375B-2All 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 life09103106- SKU:
- 09103106
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- DISPLACEMENT:
- 300 CC
- PISTON DIAMETER METRIC:
- 71.95 MM
- PRODUCT NAME:
- TOP END PISTON KIT
- STYLE:
- CAST REPLICA
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- STREET
- CYLINDER DIAMETER METRIC:
- 72.00 MM
- PISTON MATERIAL:
- CAST
- UNITS:
- KIT
MSRP: $241.95Now: $222.26Was: $246.95 -
On Sale
VERTEX Piston Kit VTK23375B-1
VERTEX
MSRP: $247.95Now: $227.66Was: $252.95VERTEX Piston Kit VTK23375B-1All 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 life09103107- SKU:
- 09103107
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- PISTON DIAMETER METRIC:
- 71.95 MM
- PRODUCT NAME:
- TOP END PISTON KIT
- RIDING STYLE:
- STREET
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- CAST
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- CYLINDER DIAMETER METRIC:
- 72.00 MM
- DISPLACEMENT:
- 300 CC
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- STYLE:
- CAST REPLICA
MSRP: $247.95Now: $227.66Was: $252.95 -
On Sale
VERTEX Piston Kit VTK22877B
VERTEX
MSRP: $134.95Now: $124.16Was: $137.95VERTEX Piston Kit VTK22877BAll 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 life09103123- SKU:
- 09103123
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- DISPLACEMENT:
- 85 CC
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST REPLICA
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- CYLINDER DIAMETER METRIC:
- 48.00 MM
- PISTON DIAMETER METRIC:
- 47.95 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- TOP END PISTON KIT
MSRP: $134.95Now: $124.16Was: $137.95 -
On Sale
VERTEX Piston Kit VTK23119B
VERTEX
MSRP: $165.95Now: $152.06Was: $168.95VERTEX Piston Kit VTK23119BAll 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 life09103133- SKU:
- 09103133
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST REPLICA
- PISTON DIAMETER METRIC:
- 53.94 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- CAST
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- CYLINDER DIAMETER METRIC:
- 54.00 MM
- DISPLACEMENT:
- 125 CC
- PRODUCT NAME:
- TOP END PISTON KIT
MSRP: $165.95Now: $152.06Was: $168.95Qty in Cart: 0Quantity:Price:MSRP: $165.95Now: $152.06Was: $168.95Subtotal: -
On Sale
VERTEX Piston Kit 22501B
VERTEX
MSRP: $112.95Now: $103.46Was: $114.95VERTEX Piston Kit 22501BAll 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...09102075- SKU:
- 09102075
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- DISPLACEMENT:
- 80 CC
- PISTON MATERIAL:
- CAST
- UNITS:
- KIT
- CYLINDER DIAMETER METRIC:
- 47.50 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 47.44 MM
- PRODUCT NAME:
- PISTON KIT
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST REPLICA
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
MSRP: $112.95Now: $103.46Was: $114.95 -
On Sale
VERTEX Piston Kit 23628A
VERTEX
MSRP: $161.95Now: $148.46Was: $164.95VERTEX Piston Kit 23628AAll 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 life09102113- SKU:
- 09102113
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- STYLE:
- CAST BIG BORE
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 52.44 MM
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- +5,00 MM
- BORE - OVERSIZE METRIC:
- +5.00 MM
- CYLINDER DIAMETER METRIC:
- 52.50 MM
- DISPLACEMENT:
- 104 CC
- RIDING STYLE:
- OFF-ROAD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
MSRP: $161.95Now: $148.46Was: $164.95 -
On Sale
VERTEX Piston Kit 23628B
VERTEX
MSRP: $161.95Now: $99.00Was: $164.95VERTEX Piston Kit 23628BAll 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 life09102114- SKU:
- 09102114
- Availability:
- Ships Same Business Day
- Weight:
- 0.39 LBS
- BORE - OVERSIZE METRIC:
- +5.00 MM
- CYLINDER DIAMETER METRIC:
- 52.50 MM
- DISPLACEMENT:
- 104 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- +5,00 MM
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON DIAMETER METRIC:
- 52.45 MM
- RIDING STYLE:
- OFF-ROAD
- PISTON MATERIAL:
- CAST
- STYLE:
- CAST BIG BORE
- UNITS:
- KIT
MSRP: $161.95Now: $99.00Was: $164.95 -
On Sale
VERTEX Piston Kit 22996B
VERTEX
MSRP: $139.95Now: $128.66Was: $142.95VERTEX Piston Kit 22996BAll 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...09102127- SKU:
- 09102127
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- CYLINDER DIAMETER METRIC:
- 54.00 MM
- DISPLACEMENT:
- 125 CC
- PISTON DIAMETER METRIC:
- 53.93 MM
- STYLE:
- CAST RACE
MSRP: $139.95Now: $128.66Was: $142.95Qty in Cart: 0Quantity:Price:MSRP: $139.95Now: $128.66Was: $142.95Subtotal: -
On Sale
VERTEX Piston Kit 23404A
VERTEX
MSRP: $258.95Now: $237.56Was: $263.95VERTEX Piston Kit 23404AAll 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 life09101963- SKU:
- 09101963
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- BORE - OVERSIZE:
- +3,00 MM
- DISPLACEMENT:
- 480 CC
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- CYLINDER DIAMETER METRIC:
- 98.00 MM
- PISTON DIAMETER METRIC:
- 97.96 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- STYLE:
- FORGED BIG BORE
- BORE - OVERSIZE METRIC:
- +3.00 MM
MSRP: $258.95Now: $237.56Was: $263.95 -
On Sale
VERTEX Piston Kit 22983A
VERTEX
MSRP: $198.95Now: $182.66Was: $202.95VERTEX Piston Kit 22983AAll 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 life09101747- SKU:
- 09101747
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
MSRP: $198.95Now: $182.66Was: $202.95 -
On Sale
VERTEX Piston Kit 23430CD
VERTEX
MSRP: $84.95Now: $78.26Was: $86.95VERTEX Piston Kit 23430CDAll 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 life09101835- SKU:
- 09101835
- Availability:
- Ships Same Business Day
- Weight:
- 0.23 LBS
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- CYLINDER DIAMETER METRIC:
- 45.00 MM
- DISPLACEMENT:
- 65 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- CAST
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- STYLE:
- CAST REPLICA
- PISTON DIAMETER METRIC:
- 44.97 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
MSRP: $84.95Now: $78.26Was: $86.95 -
On Sale
VERTEX Piston Kit 22567A
VERTEX
MSRP: $215.95Now: $197.96Was: $219.95VERTEX Piston Kit 22567AAll 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 life09101902- SKU:
- 09101902
- Availability:
- Ships Same Business Day
- Weight:
- 0.93 LBS
MSRP: $215.95Now: $197.96Was: $219.95 -
On Sale
VERTEX Piston Kit - Standard 22926B
VERTEX
MSRP: $188.95Now: $173.66Was: $192.95VERTEX Piston Kit Standard 22926BAll 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 life09100993- SKU:
- 09100993
- Availability:
- Ships Same Business Day
- Weight:
- 0.62 LBS
- CYLINDER DIAMETER METRIC:
- 64.00 MM
- PRODUCT NAME:
- PISTON KIT
- DISPLACEMENT:
- 200 CC
- PISTON DIAMETER METRIC:
- 63.95 MM
- PISTON MATERIAL:
- CAST
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- STYLE:
- CAST REPLICA
MSRP: $188.95Now: $173.66Was: $192.95 -
On Sale
VERTEX Piston Kit 22459B
VERTEX
MSRP: $198.95Now: $182.66Was: $202.95VERTEX Piston Kit 22459BAll 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 life09100995- SKU:
- 09100995
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- CYLINDER DIAMETER METRIC:
- 67.50 MM
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST REPLICA
- DISPLACEMENT:
- 250 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- PISTON DIAMETER METRIC:
- 67.45 MM
MSRP: $198.95Now: $182.66Was: $202.95 -
On Sale
VERTEX Piston Kit - Standard 22649B
VERTEX
MSRP: $188.95Now: $173.66Was: $192.95VERTEX Piston Kit Standard 22649BAll 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 life09100996- SKU:
- 09100996
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- CAST
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- CYLINDER DIAMETER METRIC:
- 66.40 MM
- DISPLACEMENT:
- 250 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- STYLE:
- CAST REPLICA
- PISTON DIAMETER METRIC:
- 66.35 MM
MSRP: $188.95Now: $173.66Was: $192.95 -
On Sale
VERTEX Piston Kit - Standard 22909B
VERTEX
MSRP: $182.95Now: $168.26Was: $186.95VERTEX Piston Kit Standard 22909BAll 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 life09100998- SKU:
- 09100998
- Availability:
- Ships Same Business Day
- Weight:
- 0.71 LBS
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- DISPLACEMENT:
- 250 CC
- PISTON DIAMETER METRIC:
- 66.35 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- STYLE:
- CAST REPLICA
- CYLINDER DIAMETER METRIC:
- 66.40 MM
MSRP: $182.95Now: $168.26Was: $186.95 -
On Sale
VERTEX Piston Kit 24188A
VERTEX
MSRP: $268.95Now: $246.56Was: $273.95VERTEX Piston Kit 24188AAll 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, Forged pistons are forged from...09104662- SKU:
- 09104662
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- FORGED HIGH COMPRESSION
- UNITS:
- KIT
- DISPLACEMENT:
- 450 CC
- COMPRESSION RATIO IMPERIAL:
- 14.4:1
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- CYLINDER DIAMETER METRIC:
- 96.00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 95.96 MM
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
MSRP: $268.95Now: $246.56Was: $273.95
