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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 47.5mm for 2003-2007 Honda CR85R 833M04750

    Wiseco Piston Kit 47.5mm for 2003-2007 Honda CR85R 833M04750

    WISECO

    $117.95
    The Wiseco Piston Kit is essential for CR85R riders pushing their bikes to the limit. A worn or stock piston limits combustion efficiency and heat management, directly impacting power output and engine longevity. This precision-engineered replacement...
    833M04750
    SKU:
    833M04750
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    ENGINE TYPE:
    2-STROKE
    PRODUCT NAME:
    PISTON
    STROKE LENGTH:
    47,80 MM
    UNITS:
    EACH
    DISPLACEMENT:
    84,7 CC
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    BORE SIZE METRIC:
    47.50 MM
    RIDING STYLE:
    OFF-ROAD
    STROKE LENGTH METRIC:
    47.80 MM
    $117.95
    Qty in Cart: 0
    Quantity:
    Price:
    $117.95
    Subtotal:
  • Wiseco Piston Kit with Gasket for KTM 65 SX 2009-2024 PK1882

    Wiseco Piston Kit with Gasket for KTM 65 SX 2009-2024 PK1882

    WISECO

    $174.95
    If you're rebuilding your KTM 65 SX or looking to restore lost compression and throttle response, a quality piston kit is non-negotiable. The Wiseco PK1882 delivers the precision engineering and durability you need to get back on track—whether you're...
    09031127
    SKU:
    09031127
    Availability:
    Ships Same Business Day
    Weight:
    0.70 LBS
    MODEL:
    PRO-LITE
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    TOP END
    BORE SIZE METRIC:
    45.00 MM
    PISTON DIAMETER METRIC:
    44.95 MM
    BORE - OVERSIZE METRIC:
    STANDARD
    SKIRT COATING:
    NON-COATED
    STROKE LENGTH METRIC:
    40.80 MM
    BORE - OVERSIZE:
    STANDARD
    DISPLACEMENT:
    65 CC
    ENGINE TYPE:
    2-STROKE
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $174.95
    Subtotal:
  • Wiseco Piston Kit with Gasket KTM 250 SX 2007-2014 PK1884

    Wiseco Piston Kit with Gasket KTM 250 SX 2007-2014 PK1884

    WISECO

    $274.95
    When you're pushing your KTM 250 SX to its limits, a worn or damaged piston compromises both power delivery and engine reliability. The Wiseco PK1884 piston kit restores peak combustion efficiency and durability with precision-engineered components built...
    09031129
    SKU:
    09031129
    Availability:
    Ships Same Business Day
    Weight:
    1.25 LBS
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    OFF-ROAD
    STROKE LENGTH METRIC:
    72.00 MM
    DISPLACEMENT:
    249 CC
    PRODUCT NAME:
    REBUILD KIT
    RIDING STYLE:
    STREET
    SKIRT COATING:
    ARMORGLIDE®
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    ENGINE TYPE:
    2-STROKE
    MODEL:
    GP SERIES
    PISTON DIAMETER METRIC:
    66.32 MM
    BORE SIZE METRIC:
    66.40 MM
    TYPE:
    TOP END
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $274.95
    Subtotal:
  • Wiseco Piston Kit for Suzuki RM-Z450 2013-2022 12.5:1 Compression PK1891

    Wiseco Piston Kit for Suzuki RM-Z450 2013-2022 12.5:1 Compression PK1891

    WISECO

    $324.95
    If you're running your RM-Z450 at the edge of its limits, stock pistons won't cut it. The Wiseco PK1891 kit delivers the durability and combustion efficiency serious racers demand, with a 12.5:1 compression ratio engineered to extract measurable gains in...
    09031136
    SKU:
    09031136
    Availability:
    Ships Same Business Day
    Weight:
    1.70 LBS
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    BORE SIZE METRIC:
    96.00 MM
    ENGINE TYPE:
    4-STROKE
    MODEL:
    FORGED SERIES
    COMPRESSION RATIO IMPERIAL:
    12.5:1
    STROKE LENGTH METRIC:
    62.10 MM
    TYPE:
    TOP END
    UNITS:
    KIT
    PISTON MATERIAL:
    2618 ALUMINUM ALLOY
    RIDING STYLE:
    OFF-ROAD
    DISPLACEMENT:
    449 CC
    PISTON DIAMETER METRIC:
    95.95 MM
    PRODUCT NAME:
    REBUILD KIT
    SKIRT COATING:
    ARMORGLIDE®
    Qty in Cart: 0
    Quantity:
    Price:
    $324.95
    Subtotal:
  • Wiseco Suzuki RM-Z 450 2013-2022 Piston Kit 13:1 Compression PK1893

    Wiseco Suzuki RM-Z 450 2013-2022 Piston Kit 13:1 Compression PK1893

    WISECO

    $344.95
    If you're running a 2013-2022 Suzuki RM-Z 450, a worn or stock piston limits your engine's potential—costing you power, throttle response, and reliability when you need it most. The Wiseco PK1893 delivers a measurable jump in compression ratio and...
    09031138
    SKU:
    09031138
    Availability:
    Ships Same Business Day
    Weight:
    1.42 LBS
    COMPRESSION RATIO IMPERIAL:
    13.0:1
    ENGINE TYPE:
    4-STROKE
    MODEL:
    FORGED SERIES
    PISTON DIAMETER METRIC:
    95.95 MM
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PISTON MATERIAL:
    2618 ALUMINUM ALLOY
    PRODUCT NAME:
    REBUILD KIT
    STROKE LENGTH METRIC:
    62.10 MM
    TYPE:
    TOP END
    BORE SIZE METRIC:
    96.00 MM
    DISPLACEMENT:
    449 CC
    SKIRT COATING:
    ARMORGLIDE®
    Qty in Cart: 0
    Quantity:
    Price:
    $344.95
    Subtotal:
  • Wiseco Piston Kit with Gasket for 2013-2018 KTM 450 SX-F PK1898

    Wiseco Piston Kit with Gasket for 2013-2018 KTM 450 SX-F PK1898

    WISECO

    $359.95
    The Wiseco PK1898 piston kit delivers the durability and performance your 450 SX-F demands, whether you're pushing hard on the track or putting in serious trail hours. Precision-forged construction combined with ArmorGlide friction reduction keeps your...
    09031142
    SKU:
    09031142
    Availability:
    Ships Same Business Day
    Weight:
    1.75 LBS
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    COMPRESSION RATIO IMPERIAL:
    13.5:1
    ENGINE TYPE:
    4-STROKE
    MODEL:
    FORGED SERIES
    DISPLACEMENT:
    449 CC
    PISTON DIAMETER METRIC:
    94.95 MM
    PRODUCT NAME:
    REBUILD KIT
    RIDING STYLE:
    STREET
    SKIRT COATING:
    ARMORGLIDE®
    BORE SIZE METRIC:
    95.00 MM
    PISTON MATERIAL:
    2618 ALUMINUM ALLOY
    RIDING STYLE:
    OFF-ROAD
    STROKE LENGTH METRIC:
    63.40 MM
    TYPE:
    TOP END
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $359.95
    Subtotal:
  • Wiseco Yamaha YZ450F 2014-2017 Piston Kit with Gasket PK1900

    Wiseco Yamaha YZ450F 2014-2017 Piston Kit with Gasket PK1900

    WISECO

    $289.95
    The Wiseco PK1900 piston kit restores lost compression and combustion efficiency in high-mileage YZ450F engines, delivering measurable gains in throttle response and power delivery. Whether you're rebuilding after a top-end failure or upgrading for race...
    09031144
    SKU:
    09031144
    Availability:
    Ships Same Business Day
    Weight:
    1.75 LBS
    BORE SIZE METRIC:
    97.00 MM
    ENGINE TYPE:
    4-STROKE
    MODEL:
    FORGED SERIES
    PISTON DIAMETER METRIC:
    96.95 MM
    DISPLACEMENT:
    449 CC
    SKIRT COATING:
    ARMORGLIDE®
    PISTON MATERIAL:
    2618 ALUMINUM ALLOY
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    TOP END
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    COMPRESSION RATIO IMPERIAL:
    12.5:1
    RIDING STYLE:
    OFF-ROAD
    STROKE LENGTH METRIC:
    60.80 MM
    UNITS:
    KIT
    $289.95
    Qty in Cart: 0
    Quantity:
    Price:
    $289.95
    Subtotal:
  • Wiseco Piston Kit Suzuki DR650S 1990-1993 4597M09600

    Wiseco Piston Kit Suzuki DR650S 1990-1993 4597M09600

    WISECO

    $239.95
    Stock pistons lose efficiency and durability under demanding riding conditions—whether you're pushing your DR650S on technical trails or logging highway miles. The Wiseco piston kit restores and exceeds OEM performance through precision forging and...
    09101659
    SKU:
    09101659
    Availability:
    Ships Same Business Day
    Weight:
    1.27 LBS
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    DISPLACEMENT:
    654 CC
    BORE - OVERSIZE METRIC:
    +1.00 MM
    PRODUCT NAME:
    PISTON
    STROKE LENGTH METRIC:
    90.40 MM
    BORE - OVERSIZE:
    +1,00 MM
    BORE SIZE METRIC:
    96.00 MM
    PISTON MATERIAL:
    FORGED
    $239.95
    Qty in Cart: 0
    Quantity:
    Price:
    $239.95
    Subtotal:
  • Wiseco Piston Kit Yamaha XT500 1976-1981 87.50mm 9:1 4764M08750

    Wiseco Piston Kit Yamaha XT500 1976-1981 87.50mm 9:1 4764M08750

    WISECO

    $239.95
    Your XT500 or TT500 demands a piston engineered for reliability under sustained high RPM and load—factory units wear quickly in demanding riding conditions. The Wiseco 4764M08750 kit delivers a high-silicon alloy construction that resists thermal stress...
    09101666
    SKU:
    09101666
    Availability:
    Ships Same Business Day
    Weight:
    1.16 LBS
    BORE - OVERSIZE METRIC:
    +0.05 MM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    DISPLACEMENT:
    505 CC
    PISTON MATERIAL:
    FORGED
    PRODUCT NAME:
    PISTON
    RIDING STYLE:
    OFF-ROAD
    BORE - OVERSIZE:
    +0,05 MM
    BORE SIZE METRIC:
    87.50 MM
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    STROKE LENGTH METRIC:
    84.00 MM
    UNITS:
    EACH
    $239.95
    Qty in Cart: 0
    Quantity:
    Price:
    $239.95
    Subtotal:
  • Wiseco Piston Kit 69mm 1989-1995 Suzuki RM250 642M06900

    Wiseco Piston Kit 69mm 1989-1995 Suzuki RM250 642M06900

    WISECO

    $224.95
    The Wiseco Piston Kit is engineered for 2-stroke performance demands where ring seal integrity and thermal stability directly impact horsepower delivery and engine longevity. If you're running your RM250 at competitive levels or pushing it hard on the...
    09101220
    SKU:
    09101220
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    BORE - OVERSIZE:
    +2,00 MM
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PRODUCT NAME:
    PISTON
    BORE - OVERSIZE METRIC:
    +2.00 MM
    ENGINE TYPE:
    2-STROKE
    MODEL:
    PRO-LITE
    UNITS:
    EACH
    PISTON MATERIAL:
    FORGED
    RIDING STYLE:
    OFF-ROAD
    BORE SIZE METRIC:
    69.00 MM
    DISPLACEMENT:
    246 CC
    STROKE LENGTH METRIC:
    70.80 MM
    $224.95
    Qty in Cart: 0
    Quantity:
    Price:
    $224.95
    Subtotal:
  • Wiseco 200 EXC 1998-2002 Piston Kit with Gaskets PK1369

    Wiseco 200 EXC 1998-2002 Piston Kit with Gaskets PK1369

    WISECO

    $269.95
    If you're rebuilding your KTM 200 EXC or MXC, engine wear directly impacts throttle response and reliability. Wiseco's forged piston kit restores lost compression and power while the included gasket set ensures a clean, sealed rebuild without additional...
    09030512
    SKU:
    09030512
    Availability:
    Ships Same Business Day
    Weight:
    1.40 LBS
    DISPLACEMENT:
    193 CC
    ENGINE TYPE:
    2-STROKE
    MODEL:
    PRO-LITE
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    UNITS:
    KIT
    BORE - OVERSIZE:
    STANDARD
    BORE SIZE METRIC:
    64.00 MM
    PISTON DIAMETER METRIC:
    63.95 MM
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    REBUILD KIT
    STROKE LENGTH METRIC:
    60.00 MM
    BORE - OVERSIZE METRIC:
    STANDARD
    SKIRT COATING:
    ARMORGLIDE®
    $269.95
    Qty in Cart: 0
    Quantity:
    Price:
    $269.95
    Subtotal:
  • Wiseco Piston Kit for Yamaha YZ125 2005-2021 PK1390

    Wiseco Piston Kit for Yamaha YZ125 2005-2021 PK1390

    WISECO

    $253.95
    The Wiseco Piston Kit PK1390 is engineered for 2-stroke racers who demand peak performance without compromise. A worn or stock piston limits your YZ125's power delivery and throttle response—this kit restores and exceeds OEM capability through precision...
    09030513
    SKU:
    09030513
    Availability:
    Ships Same Business Day
    Weight:
    1.11 LBS
    MODEL:
    RACER'S CHOICE
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    UNITS:
    EACH
    BORE SIZE METRIC:
    54.00 MM
    COOLING SYSTEM:
    LIQUID COOLED
    PRODUCT NAME:
    REBUILD KIT
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    PISTON MATERIAL:
    ALUMINUM
    PISTON MATERIAL:
    FORGED
    DISPLACEMENT:
    125 CC
    STROKE LENGTH METRIC:
    54.50 MM
    Qty in Cart: 0
    Quantity:
    Price:
    $253.95
    Subtotal:
  • Wiseco Piston Kit Yamaha YZ85 2002-2021 5.50mm Oversize 767M05250

    Wiseco Piston Kit Yamaha YZ85 2002-2021 5.50mm Oversize 767M05250

    WISECO

    $177.95
    If you're running a Yamaha YZ85 hard—whether on the track or in practice—piston wear directly impacts power delivery and reliability. The Wiseco 767M05250 is engineered to restore lost compression and add measurable performance gains while handling the...
    09100366
    SKU:
    09100366
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    BORE - OVERSIZE METRIC:
    +5.50 MM
    DISPLACEMENT:
    103,5 CC
    STROKE LENGTH METRIC:
    47.80 MM
    PISTON MATERIAL:
    FORGED
    RIDING STYLE:
    OFF-ROAD
    BORE SIZE METRIC:
    52.50 MM
    ENGINE TYPE:
    2-STROKE
    UNITS:
    EACH
    BORE - OVERSIZE:
    +5,50 MM
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PRODUCT NAME:
    PISTON
    Qty in Cart: 0
    Quantity:
    Price:
    $177.95
    Subtotal:
  • Wiseco Piston Kit 47.50mm 11:1 Yamaha TT-R90 2003 4840M04750

    Wiseco Piston Kit 47.50mm 11:1 Yamaha TT-R90 2003 4840M04750

    WISECO

    $160.95
    If you're running a Yamaha TTR90 and want measurable gains in power and throttle response, a high-compression piston kit is one of the most direct upgrades available. The Wiseco 47.50mm 11:1 kit delivers a noticeable bump in output while maintaining the...
    09100369
    SKU:
    09100369
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    PISTON MATERIAL:
    FORGED
    PRODUCT NAME:
    PISTON
    BORE SIZE METRIC:
    47.50 MM
    DISPLACEMENT:
    92 CC
    STROKE LENGTH METRIC:
    51.80 MM
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    UNITS:
    EACH
    BORE - OVERSIZE:
    +0,50 MM
    BORE - OVERSIZE METRIC:
    +0.50 MM
    RIDING STYLE:
    OFF-ROAD
    $160.95
    Qty in Cart: 0
    Quantity:
    Price:
    $160.95
    Subtotal:
  • Wiseco Piston Kit Standard Yamaha XT 350 1985-2000 4674M08700

    Wiseco Piston Kit Standard Yamaha XT 350 1985-2000 4674M08700

    WISECO

    $199.95
    If you're running a Yamaha XT350 or TT350 and want reliable power gains without compromising engine longevity, a quality piston kit is essential. The Wiseco Piston Kit Standard delivers measurable improvements in combustion efficiency and responsiveness...
    09101661
    SKU:
    09101661
    Availability:
    Ships Same Business Day
    Weight:
    1.01 LBS
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    BORE SIZE METRIC:
    87.00 MM
    PISTON MATERIAL:
    FORGED
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    DISPLACEMENT:
    354 CC
    PRODUCT NAME:
    PISTON
    STROKE LENGTH METRIC:
    59.60 MM
    $199.95
    Qty in Cart: 0
    Quantity:
    Price:
    $199.95
    Subtotal:
  • Wiseco Piston Kit Standard Suzuki RM-Z 450 2008-2012 4953M09600

    Wiseco Piston Kit Standard Suzuki RM-Z 450 2008-2012 4953M09600

    WISECO

    $239.95
    If you're running a Suzuki RM-Z 450 (2008-2012) or RMX450Z, piston wear directly impacts power delivery, throttle response, and engine longevity. The Wiseco Piston Kit Standard restores combustion efficiency and peak horsepower while reducing friction...
    09101679
    SKU:
    09101679
    Availability:
    Ships Same Business Day
    Weight:
    0.98 LBS
    BORE - OVERSIZE:
    STANDARD
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    STROKE LENGTH METRIC:
    62.80 MM
    UNITS:
    EACH
    BORE SIZE METRIC:
    96.00 MM
    DISPLACEMENT:
    450 CC
    SKIRT COATING:
    MOLY COATED
    BORE - OVERSIZE METRIC:
    STANDARD
    COMPRESSION RATIO IMPERIAL:
    STOCK
    PISTON MATERIAL:
    FORGED
    PRODUCT NAME:
    PISTON
    RIDING STYLE:
    OFF-ROAD
    $239.95
    Qty in Cart: 0
    Quantity:
    Price:
    $239.95
    Subtotal:
  • Wiseco 50cc Piston for KTM 50 SX 1998-2008 698M03900

    Wiseco 50cc Piston for KTM 50 SX 1998-2008 698M03900

    WISECO

    $132.95
    The Wiseco 50cc piston is engineered for KTM 50 SX riders who need reliable, consistent performance across a full season of racing or recreational riding. OEM pistons wear quickly under aggressive use—this precision-manufactured replacement restores...
    09101692
    SKU:
    09101692
    Availability:
    Ships Same Business Day
    Weight:
    0.26 LBS
    PISTON MATERIAL:
    FORGED
    STROKE LENGTH METRIC:
    41.70 MM
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    PRODUCT NAME:
    PISTON
    DISPLACEMENT:
    50 CC
    BORE SIZE METRIC:
    39.00 MM
    ENGINE TYPE:
    2-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $132.95
    Qty in Cart: 0
    Quantity:
    Price:
    $132.95
    Subtotal:
  • Wiseco Piston Kit +2.10 Kawasaki KX 250 2004 843M06850

    Wiseco Piston Kit +2.10 Kawasaki KX 250 2004 843M06850

    WISECO

    $177.44
    If you're running a 2004 Kawasaki KX 250 and want measurable gains in peak RPM power and throttle response, a quality piston kit is one of the most direct upgrades available. The Wiseco +2.10 raises compression ratio for harder hits off the line while...
    09100664
    SKU:
    09100664
    Availability:
    Ships Same Business Day
    Weight:
    0.85 LBS
    STROKE LENGTH METRIC:
    72.00 MM
    BORE SIZE METRIC:
    68.50 MM
    ENGINE TYPE:
    2-STROKE
    BORE - OVERSIZE:
    +2,10 MM
    PISTON MATERIAL:
    FORGED
    PRODUCT NAME:
    PISTON
    RIDING STYLE:
    OFF-ROAD
    BORE - OVERSIZE METRIC:
    +2.10 MM
    DISPLACEMENT:
    265 CC
    PISTON MATERIAL:
    ALUMINUM ALLOY
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $177.44
    Subtotal:
  • WISECO Piston Kit - +4.50 mm - CR 85/80 766M05200

    WISECO Piston Kit - +4.50 mm - CR 85/80 766M05200

    WISECO

    $177.95
    The Wiseco Piston Kit delivers the high-temperature durability and precision geometry your Honda CR80R or CR85R needs to perform consistently at the edge of the track. Designed with proven coatings that reduce wear and friction while maintaining peak...
    09100322
    SKU:
    09100322
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    PISTON MATERIAL:
    FORGED
    RIDING STYLE:
    OFF-ROAD
    BORE - OVERSIZE METRIC:
    +4.50 MM
    BORE SIZE METRIC:
    52.00 MM
    DISPLACEMENT:
    101,50 CC
    ENGINE TYPE:
    2-STROKE
    UNITS:
    EACH
    BORE - OVERSIZE:
    +4,50 MM
    PISTON MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    PISTON KIT
    STROKE LENGTH METRIC:
    47.80 MM
    Qty in Cart: 0
    Quantity:
    Price:
    $177.95
    Subtotal:
  • Wiseco Piston Kit 0.50mm Oversize for 2004-2013 Honda CRF80F 4665M04800

    Wiseco Piston Kit 0.50mm Oversize for 2004-2013 Honda CRF80F 4665M04800

    WISECO

    $160.95
    If you're rebuilding your Honda 80cc engine or pushing it to its limits on the track, a quality piston kit is fundamental to reliability and performance. The Wiseco 0.50mm oversize piston restores your engine to like-new compression while delivering...
    09100324
    SKU:
    09100324
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    PISTON MATERIAL:
    FORGED
    PRODUCT NAME:
    PISTON
    BORE SIZE METRIC:
    48.00 MM
    DISPLACEMENT:
    81 CC
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    STROKE LENGTH METRIC:
    45.00 MM
    UNITS:
    EACH
    BORE - OVERSIZE:
    +0,50 MM
    BORE - OVERSIZE METRIC:
    +0.50 MM
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $160.95
    Subtotal:
  • Total: items /

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Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

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!

Jake M. - 05/21

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