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Dirt Bike Piston and Ring Kits

Dirt Bike Piston and Ring Kits

Dirt Bike Piston and Ring Kits

Dirt Bike Piston & Ring Kits for Yamaha YZ85, WR250 & YZ250 at JJ Motorsports

Rebuild your dirt bike's top end for maximum power and reliability with premium piston and ring kits from JJ Motorsports, forged from high-strength aluminum for superior heat resistance, lightweight performance, and precise fit in motocross, enduro, and trail riding. Our selection includes complete kits with pistons, high-performance rings, wrist pins, circlips, top-end bearings, and gaskets designed for enhanced combustion efficiency, reduced blow-by, and longer engine life under high-RPM abuse. Compatible with popular models like Yamaha YZ85 (2002-2018), WR250, and YZ250, these Wiseco-engineered components feature CNC-machined crowns for optimal cam shape, ArmorGlide skirt coatings for low friction, and 4032 alloy construction for durability in dusty, aggressive conditions. Whether you're refreshing a youth 85cc 2-stroke or upgrading a 250cc big bore, these kits ensure crisp throttle response, better sealing, and race-ready power without the need for custom boring—perfect for DIY rebuilds or pro-level maintenance.

Shop trusted brands like Wiseco for race-proven quality. Explore related categories such as dirt bike engine for cylinders and valves or dirt bike air and fuel for carburetors and jets.

Top Dirt Bike Piston & Ring Kits

Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Wiseco Piston Kit 2014-2025 Kawasaki KX85 48.5mm RE924M04850

    Wiseco Piston Kit 2014-2025 Kawasaki KX85 48.5mm RE924M04850

    WISECO

    $171.95
    Your KX85's engine demands a piston built to handle the punishment of competitive riding and aggressive trail conditions. Wiseco's Racer Elite platform delivers the compression sealing and structural integrity necessary to maintain power output while...
    09105088
    SKU:
    09105088
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    BORE SIZE METRIC:
    48.50 MM
    ENGINE TYPE:
    2-STROKE
    PISTON MATERIAL:
    2000 SERIES ALLOY
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    RACER ELITE
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    PISTON MATERIAL:
    FORGED
    UNITS:
    KIT
    PRODUCT NAME:
    PISTON KIT
    SKIRT COATING:
    ARMORFITâ„¢
    Qty in Cart: 0
    Quantity:
    Price:
    $171.95
    Subtotal:
  • Wiseco Piston Kit 75.50mm 10.5:1 Compression Honda XR250R 1984-1985 4329M07550

    Wiseco Piston Kit 75.50mm 10.5:1 Compression Honda XR250R 1984-1985 4329M07550

    WISECO

    $216.95
    If you're running a Honda XR250R or XL250R and want measurable gains in power and reliability, a quality piston kit is non-negotiable. The Wiseco 10.5:1 compression kit delivers the exact displacement and combustion efficiency your engine needs to...
    4329M07550
    SKU:
    4329M07550
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    DISPLACEMENT:
    250 CC
    MODEL:
    FORGED SERIES
    PRODUCT NAME:
    PISTON KIT
    SKIRT COATING:
    NON-COATED
    BORE - OVERSIZE:
    +0,50 MM
    BORE - OVERSIZE METRIC:
    +0.50 MM
    BORE SIZE METRIC:
    75.50 MM
    COMPRESSION RATIO IMPERIAL:
    10.5:1
    ENGINE TYPE:
    4-STROKE
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PISTON MATERIAL:
    FORGED 2618 ALUMINUM
    PISTON DIAMETER METRIC:
    75.45 MM
    STROKE LENGTH METRIC:
    56.50 MM
    Qty in Cart: 0
    Quantity:
    Price:
    $216.95
    Subtotal:
  • Wiseco Piston Kit 1995-2021 Kawasaki KX100 52.5mm RE907M05250

    Wiseco Piston Kit 1995-2021 Kawasaki KX100 52.5mm RE907M05250

    WISECO

    $171.95
    A worn or damaged piston directly kills engine performance, responsiveness, and reliability—especially in a high-revving 2-stroke like the KX100. The Wiseco Racer Elite Piston Kit delivers the precision engineering and durability needed to restore full...
    09105092
    SKU:
    09105092
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    BORE SIZE METRIC:
    52.50 MM
    ENGINE TYPE:
    2-STROKE
    PRODUCT NAME:
    PISTON KIT
    SKIRT COATING:
    ARMORFITâ„¢
    BORE - OVERSIZE METRIC:
    STANDARD
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    RACER ELITE
    UNITS:
    KIT
    BORE - OVERSIZE:
    STANDARD
    PISTON MATERIAL:
    2000 SERIES ALLOY
    PISTON MATERIAL:
    FORGED
    Qty in Cart: 0
    Quantity:
    Price:
    $171.95
    Subtotal:
  • Wiseco Piston Kit 92.50mm 10.25:1 Honda XR500R 1983-1984 4330M09250

    Wiseco Piston Kit 92.50mm 10.25:1 Honda XR500R 1983-1984 4330M09250

    WISECO

    $239.95
    If you're running an 1983-1984 Honda XR500R, the factory piston limits your engine's potential—especially under sustained load or aggressive throttle inputs. This Wiseco piston kit raises your compression ratio to 10.25:1, unlocking noticeable gains in...
    4330M09250
    SKU:
    4330M09250
    Availability:
    Ships Same Business Day
    Weight:
    1.30 LBS
    BORE - OVERSIZE:
    +0,50 MM
    PRODUCT NAME:
    PISTON KIT
    SKIRT COATING:
    NON-COATED
    UNITS:
    KIT
    BORE - OVERSIZE METRIC:
    +0.50 MM
    BORE SIZE METRIC:
    92.50 MM
    COMPRESSION RATIO IMPERIAL:
    10.25:1
    DISPLACEMENT:
    498 CC
    ENGINE TYPE:
    4-STROKE
    RIDING STYLE:
    OFF-ROAD
    MODEL:
    FORGED SERIES
    STROKE LENGTH METRIC:
    75.00 MM
    PISTON DIAMETER METRIC:
    92.45 MM
    PISTON MATERIAL:
    FORGED 2618 ALUMINUM
    $239.95
    Qty in Cart: 0
    Quantity:
    Price:
    $239.95
    Subtotal:
  • Wiseco Piston Kit with Gaskets for 2003-2004 Yamaha YZ125 PK1347

    Wiseco Piston Kit with Gaskets for 2003-2004 Yamaha YZ125 PK1347

    WISECO

    $229.95
    A worn or damaged piston directly limits your YZ125's power output and reliability—this Wiseco kit delivers the precision engineering needed to restore peak performance. The high-silicon aluminum alloy construction handles the thermal demands of...
    09030250
    SKU:
    09030250
    Availability:
    Ships Same Business Day
    Weight:
    0.95 LBS
    BORE - OVERSIZE:
    +2,00 MM
    BORE SIZE METRIC:
    56.00 MM
    DISPLACEMENT:
    125 CC
    ENGINE TYPE:
    2-STROKE
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    PISTON SIZE METRIC:
    +2.00 MM
    PISTON DIAMETER METRIC:
    55.95 MM
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    TOP END
    RIDING STYLE:
    OFF-ROAD
    STROKE LENGTH METRIC:
    54.50 MM
    BORE - OVERSIZE METRIC:
    +2.00 MM
    MODEL:
    PRO-LITE
    SKIRT COATING:
    NON-COATED
    UNITS:
    KIT
    $229.95
    Qty in Cart: 0
    Quantity:
    Price:
    $229.95
    Subtotal:
  • Wiseco Suzuki RM125 1991-1996 Piston Kit with Gaskets PK1320

    Wiseco Suzuki RM125 1991-1996 Piston Kit with Gaskets PK1320

    WISECO

    $209.95
    The Wiseco PK1320 piston kit is engineered to restore and exceed your RM125's original performance specifications, delivering the reliability needed for competitive racing or sustained trail use. Whether you're rebuilding after wear or upgrading for...
    09030256
    SKU:
    09030256
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    DISPLACEMENT:
    123 CC
    MODEL:
    PRO-LITE
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    UNITS:
    KIT
    BORE - OVERSIZE:
    +1,00 MM
    PISTON DIAMETER METRIC:
    54.96 MM
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    STROKE LENGTH METRIC:
    54.00 MM
    BORE - OVERSIZE METRIC:
    +1.00 MM
    ENGINE TYPE:
    2-STROKE
    SKIRT COATING:
    NON-COATED
    BORE SIZE METRIC:
    55.00 MM
    PRODUCT NAME:
    REBUILD KIT
    $209.95
    Qty in Cart: 0
    Quantity:
    Price:
    $209.95
    Subtotal:
  • Wiseco Piston Kit with Gaskets for Kawasaki KX80 1988-1990 PK1296

    Wiseco Piston Kit with Gaskets for Kawasaki KX80 1988-1990 PK1296

    WISECO

    $179.95
    When you're pushing your KX80 to its limits, a worn or compromised top-end becomes your biggest bottleneck. The Wiseco Piston Kit delivers the compression stability and thermal control you need to maintain peak performance lap after lap, whether you're...
    09030261
    SKU:
    09030261
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    DISPLACEMENT:
    82 CC
    SKIRT COATING:
    NON-COATED
    STROKE LENGTH METRIC:
    45.80 MM
    PISTON DIAMETER METRIC:
    47.95 MM
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BORE SIZE METRIC:
    48.00 MM
    MODEL:
    PRO-LITE
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    TOP END
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    ENGINE TYPE:
    2-STROKE
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    Qty in Cart: 0
    Quantity:
    Price:
    $179.95
    Subtotal:
  • Wiseco Piston Kit with Gaskets for 1986-2004 Honda XR250R PK1219

    Wiseco Piston Kit with Gaskets for 1986-2004 Honda XR250R PK1219

    WISECO

    $257.95
    Factory pistons wear out—especially in older Honda XR models that see aggressive riding or higher-than-stock compression builds. The Wiseco PK1219 restores lost compression and power while delivering the durability needed for sustained high-RPM...
    09030265
    SKU:
    09030265
    Availability:
    Ships Same Business Day
    Weight:
    1.40 LBS
    PISTON DIAMETER METRIC:
    72.95 MM
    PRODUCT NAME:
    REBUILD KIT
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    DISPLACEMENT:
    250 CC
    ENGINE TYPE:
    4-STROKE
    MODEL:
    FORGED SERIES
    SKIRT COATING:
    NON-COATED
    UNITS:
    KIT
    PISTON MATERIAL:
    2618 ALUMINUM ALLOY
    STROKE LENGTH METRIC:
    59.50 MM
    BORE SIZE METRIC:
    73.00 MM
    COMPRESSION RATIO IMPERIAL:
    10.5:1
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    Qty in Cart: 0
    Quantity:
    Price:
    $257.95
    Subtotal:
  • Wiseco Piston Kit 66mm Honda CR250R 1984-1985 526M06600

    Wiseco Piston Kit 66mm Honda CR250R 1984-1985 526M06600

    WISECO

    $232.95
    The stock piston in your CR250R won't keep pace with serious trail or track work. This Wiseco kit restores lost compression, increases power output, and delivers the durability required for consistent high-performance operation. Whether you're rebuilding...
    526M06600
    SKU:
    526M06600
    Availability:
    Ships Same Business Day
    Weight:
    0.70 LBS
    DISPLACEMENT:
    246 CC
    PISTON MATERIAL:
    ALUMINUM
    STROKE LENGTH METRIC:
    72.00 MM
    BORE SIZE METRIC:
    66.00 MM
    ENGINE TYPE:
    4-STROKE
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    PRODUCT NAME:
    PISTON
    STROKE LENGTH:
    72,00 MM
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $232.95
    Subtotal:
  • Wiseco Piston Kit 66.25mm Bore for 1985-1986 Honda ATC 250R 526M06625

    Wiseco Piston Kit 66.25mm Bore for 1985-1986 Honda ATC 250R 526M06625

    WISECO

    $204.95
    The Wiseco Piston Kit restores and elevates your ATC 250R's top-end performance with precision-engineered components built to handle sustained high-RPM operation. A quality piston kit is non-negotiable for riders who demand reliability on the trail or...
    526M06625
    SKU:
    526M06625
    Availability:
    Ships Same Business Day
    Weight:
    0.65 LBS
    BORE - OVERSIZE:
    +0,25 MM
    PRODUCT NAME:
    PISTON
    STROKE LENGTH:
    72,00 MM
    UNITS:
    EACH
    BORE SIZE METRIC:
    66.25 MM
    ENGINE TYPE:
    4-STROKE
    RIDING STYLE:
    ATV
    BORE - OVERSIZE METRIC:
    +0.25 MM
    DISPLACEMENT:
    248 CC
    STROKE LENGTH METRIC:
    72.00 MM
    PISTON MATERIAL:
    ALUMINUM
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $204.95
    Subtotal:
  • Wiseco Piston 66.5mm Honda ATC 250R 1985-1986 526M06650

    Wiseco Piston 66.5mm Honda ATC 250R 1985-1986 526M06650

    WISECO

    $232.95
    The Wiseco 526M06650 piston delivers the precision and durability your Honda ATC250R needs to survive high-RPM abuse while maintaining consistent power delivery. Whether you're competing at the track or pushing hard on the trail, this forged-aluminum...
    526M06650
    SKU:
    526M06650
    Availability:
    Ships Same Business Day
    Weight:
    0.80 LBS
    STROKE LENGTH METRIC:
    72.00 MM
    BORE - OVERSIZE METRIC:
    +0.50 MM
    STROKE LENGTH:
    72,00 MM
    BORE - OVERSIZE:
    +0,50 MM
    DISPLACEMENT:
    246 CC
    PISTON MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    PISTON
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    BORE SIZE METRIC:
    66.50 MM
    ENGINE TYPE:
    4-STROKE
    RIDING STYLE:
    ATV
    Qty in Cart: 0
    Quantity:
    Price:
    $232.95
    Subtotal:
  • Wiseco Piston 66.75mm 1985-1986 Honda ATC 250R 526M06675

    Wiseco Piston 66.75mm 1985-1986 Honda ATC 250R 526M06675

    WISECO

    $204.95
    If you're running a 1985-1986 Honda ATC250R, a worn or damaged piston directly kills your power output and engine reliability. Wiseco's forged-aluminum piston restores lost compression, sharpens throttle response, and gives you the durability to push...
    526M06675
    SKU:
    526M06675
    Availability:
    Ships Same Business Day
    Weight:
    0.70 LBS
    STROKE LENGTH:
    72,00 MM
    BORE - OVERSIZE METRIC:
    +0.75 MM
    ENGINE TYPE:
    4-STROKE
    RIDING STYLE:
    ATV
    BORE - OVERSIZE:
    +0,75 MM
    PRODUCT NAME:
    PISTON
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    BORE SIZE METRIC:
    66.75 MM
    DISPLACEMENT:
    246 CC
    PISTON MATERIAL:
    ALUMINUM
    STROKE LENGTH METRIC:
    72.00 MM
    $204.95
    Qty in Cart: 0
    Quantity:
    Price:
    $204.95
    Subtotal:
  • Wiseco Piston Kit 67.25mm for 1986 Honda TRX250R 526M06725

    Wiseco Piston Kit 67.25mm for 1986 Honda TRX250R 526M06725

    WISECO

    $229.95
    The Wiseco Piston Kit 67.25mm is engineered to restore or upgrade your 1986 Honda TRX250R with the precision and durability required for consistent power delivery in competitive or recreational riding. This kit delivers measurable gains in compression...
    526M06725
    SKU:
    526M06725
    Availability:
    Ships Same Business Day
    Weight:
    0.70 LBS
    PRODUCT NAME:
    PISTON
    STROKE LENGTH:
    72,00 MM
    ENGINE TYPE:
    4-STROKE
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    BORE - OVERSIZE:
    +1,25 MM
    BORE SIZE METRIC:
    67.25 MM
    STROKE LENGTH METRIC:
    72.00 MM
    BORE - OVERSIZE METRIC:
    +1.25 MM
    DISPLACEMENT:
    246 CC
    PISTON MATERIAL:
    ALUMINUM
    RIDING STYLE:
    OFF-ROAD
    $229.95
    Qty in Cart: 0
    Quantity:
    Price:
    $229.95
    Subtotal:
  • Wiseco Piston 1986 Honda TRX250R 67.25mm 526M06725

    Wiseco Piston 1986 Honda TRX250R 67.25mm 526M06725

    WISECO

    $229.95
    A worn or damaged piston directly kills engine performance—causing compression loss, increased blow-by, and reduced power delivery. The Wiseco Pro-Lite Piston restores full combustion efficiency and durability to your Honda 2-stroke, delivering the...
    526M06750
    SKU:
    526M06750
    Availability:
    Ships Same Business Day
    Weight:
    0.70 LBS
    BORE - OVERSIZE:
    +1,50 MM
    BORE SIZE METRIC:
    67.50 MM
    ENGINE TYPE:
    4-STROKE
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    DISPLACEMENT:
    246 CC
    PISTON MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    PISTON
    RIDING STYLE:
    OFF-ROAD
    STROKE LENGTH:
    72,00 MM
    STROKE LENGTH METRIC:
    72.00 MM
    BORE - OVERSIZE METRIC:
    +1.50 MM
    $229.95
    Qty in Cart: 0
    Quantity:
    Price:
    $229.95
    Subtotal:
  • Wiseco Piston Kit 68.00 mm Bore Honda ATC 250 R 1985-1986 526M06800

    Wiseco Piston Kit 68.00 mm Bore Honda ATC 250 R 1985-1986 526M06800

    WISECO

    $232.95
    High-compression four-stroke engines demand pistons engineered for sustained peak RPM without compromise. The Wiseco Pro-Lite kit delivers the strength-to-weight ratio necessary for reliable performance gains, whether you're pushing your ATC250R on the...
    526M06800
    SKU:
    526M06800
    Availability:
    Ships Same Business Day
    Weight:
    0.70 LBS
    BORE - OVERSIZE METRIC:
    +2.00 MM
    BORE SIZE METRIC:
    68.00 MM
    DISPLACEMENT:
    246 CC
    PISTON MATERIAL:
    ALUMINUM
    RIDING STYLE:
    OFF-ROAD
    STROKE LENGTH METRIC:
    72.00 MM
    ENGINE TYPE:
    4-STROKE
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    BORE - OVERSIZE:
    +2,00 MM
    PRODUCT NAME:
    PISTON
    STROKE LENGTH:
    72,00 MM
    $232.95
    Qty in Cart: 0
    Quantity:
    Price:
    $232.95
    Subtotal:
  • On Sale
    Wiseco Suzuki RM250 1982-1985 Piston Kit 70.00mm 485M07000

    Wiseco Suzuki RM250 1982-1985 Piston Kit 70.00mm 485M07000

    WISECO

    MSRP: $199.95
    Now: $170.00
    Was: $199.95
    The Wiseco RM250 piston kit delivers the precision and durability required for sustained high-RPM performance on both track and trail. Factory OEM pistons often compromise between longevity and peak power—this Wiseco assembly gives you both, with...
    485M07000
    SKU:
    485M07000
    Availability:
    Ships Same Business Day
    Weight:
    0.70 LBS
    ENGINE TYPE:
    2-STROKE
    STROKE LENGTH METRIC:
    64.00 MM
    DISPLACEMENT:
    246 CC
    MODEL:
    FORGED SERIES
    PRODUCT NAME:
    PISTON KIT
    SKIRT COATING:
    NON-COATED
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    BORE SIZE METRIC:
    70.00 MM
    PISTON DIAMETER METRIC:
    69.92 MM
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MSRP: $199.95
    Now: $170.00
    Was: $199.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $199.95
    Now: $170.00
    Was: $199.95
    Subtotal:
  • On Sale
    Wiseco RM250 1982-1985 Piston Kit 70.50mm 485M07050

    Wiseco RM250 1982-1985 Piston Kit 70.50mm 485M07050

    WISECO

    MSRP: $199.95
    Now: $170.00
    Was: $199.95
    A worn or damaged piston directly limits your RM250's power output and throttle response—this Wiseco kit restores full compression and peak performance. Built with aircraft-grade alloy and precision-machined to exact tolerances, it's the bolt-in solution...
    485M07050
    SKU:
    485M07050
    Availability:
    Ships Same Business Day
    Weight:
    0.65 LBS
    BORE SIZE METRIC:
    70.50 MM
    DISPLACEMENT:
    246 CC
    MODEL:
    FORGED SERIES
    PISTON DIAMETER METRIC:
    70.42 MM
    PRODUCT NAME:
    PISTON KIT
    SKIRT COATING:
    NON-COATED
    BORE - OVERSIZE:
    +0,50 MM
    BORE - OVERSIZE METRIC:
    +0.50 MM
    ENGINE TYPE:
    2-STROKE
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    OFF-ROAD
    STROKE LENGTH METRIC:
    64.00 MM
    UNITS:
    KIT
    MSRP: $199.95
    Now: $170.00
    Was: $199.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $199.95
    Now: $170.00
    Was: $199.95
    Subtotal:
  • On Sale
    Wiseco Suzuki RM250 1982-1985 Piston Kit 485M07200

    Wiseco Suzuki RM250 1982-1985 Piston Kit 485M07200

    WISECO

    MSRP: $224.95
    Now: $191.00
    Was: $224.95
    If you're running a 1982-1985 Suzuki RM250, piston wear is one of the first performance killers to address. The Wiseco 485M07200 kit restores compression, sharpens throttle response, and delivers the durability you need for consistent lap times or trail...
    485M07200
    SKU:
    485M07200
    Availability:
    Ships Same Business Day
    Weight:
    0.80 LBS
    BORE - OVERSIZE:
    +2,00 MM
    DISPLACEMENT:
    246 CC
    PRODUCT NAME:
    PISTON KIT
    SKIRT COATING:
    NON-COATED
    UNITS:
    KIT
    BORE - OVERSIZE METRIC:
    +2.00 MM
    ENGINE TYPE:
    2-STROKE
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    OFF-ROAD
    MODEL:
    FORGED SERIES
    BORE SIZE METRIC:
    71.50 MM
    PISTON DIAMETER METRIC:
    71.92 MM
    STROKE LENGTH METRIC:
    64.00 MM
    MSRP: $224.95
    Now: $191.00
    Was: $224.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $224.95
    Now: $191.00
    Was: $224.95
    Subtotal:
  • On Sale
    Wiseco KX125 1982-1985 Piston Kit 486M05600

    Wiseco KX125 1982-1985 Piston Kit 486M05600

    WISECO

    MSRP: $154.95
    Now: $132.00
    Was: $154.95
    The Wiseco KX125 Piston Kit 486M05600 is engineered to restore or maximize your vintage Kawasaki's combustion efficiency and throttle response. If you're running worn or damaged pistons, this direct replacement halts performance loss and delivers the...
    486M05600
    SKU:
    486M05600
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    DISPLACEMENT:
    124 CC
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BORE - OVERSIZE METRIC:
    STANDARD
    STROKE LENGTH METRIC:
    50.60 MM
    BORE - OVERSIZE:
    STANDARD
    BORE SIZE METRIC:
    56.00 MM
    ENGINE TYPE:
    2-STROKE
    MODEL:
    FORGED SERIES
    PISTON DIAMETER METRIC:
    55.95 MM
    PRODUCT NAME:
    PISTON KIT
    SKIRT COATING:
    NON-COATED
    MSRP: $154.95
    Now: $132.00
    Was: $154.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $154.95
    Now: $132.00
    Was: $154.95
    Subtotal:
  • On Sale
    Wiseco Piston Kit 1983-1985 Suzuki RM80 50.00mm 497M05000

    Wiseco Piston Kit 1983-1985 Suzuki RM80 50.00mm 497M05000

    WISECO

    MSRP: $134.95
    Now: $115.00
    Was: $134.95
    If you're running a 1983–1985 Suzuki RM80 and want reliable power gains without sacrificing engine durability, the Wiseco Piston Kit is the foundation you need. Wiseco's precision-engineered pistons deliver consistent combustion efficiency and resist the...
    497M05000
    SKU:
    497M05000
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    BORE - OVERSIZE METRIC:
    +1.00 MM
    DISPLACEMENT:
    82,87 CC
    PISTON MATERIAL:
    FORGED
    PRODUCT NAME:
    PISTON
    RIDING STYLE:
    OFF-ROAD
    PISTON MATERIAL:
    ALUMINUM ALLOY
    STROKE LENGTH:
    44,00 MM
    UNITS:
    EACH
    BORE - OVERSIZE:
    +1,00 MM
    STROKE LENGTH METRIC:
    44.00 MM
    BORE SIZE METRIC:
    50.00 MM
    MSRP: $134.95
    Now: $115.00
    Was: $134.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $134.95
    Now: $115.00
    Was: $134.95
    Subtotal:
  • Total: items /

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Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

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