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ATV/UTV Piston and Ring Kits

ATV/UTV Piston and Ring Kits

ATV/UTV Piston and Ring Kits

ATV/UTV Piston & Ring Kits at JJ Motorsports

Rebuild your ATV/UTV engine with premium forged piston and ring kits from JJ Motorsports, featuring high-compression and big-bore options for massive power gains on Yamaha YFZ450, Honda TRX450R, Suzuki LTZ400, and more. These race-proven kits deliver superior durability and performance in off-road, trail, and dune conditions.

Shop Millennium, JE Pistons, and Wossner piston kits for championship-level quality. Explore related categories such as ATV/UTV engine for cylinders and gaskets, or ATV/UTV for cams and exhaust to complete your top-end rebuild and dominate the track or trail.

Top ATV/UTV 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 with Gaskets PK1023

    WISECO Piston Kit with Gaskets PK1023

    WISECO

    $234.95
    Most Wiseco 2-cycle pistons are forged from high-silicone bar stock, Greater strength and lower expansion at high temperatures, Complete piston kits include High-Performance forged pistons, rings, wrist pins, circlips and top-end gasket kit for one...
    09030505
    SKU:
    09030505
    Availability:
    Ships Same Business Day
    Weight:
    1.65 LBS
    BORE - OVERSIZE METRIC:
    +1.00 MM
    DISPLACEMENT:
    246 CC
    SKIRT COATING:
    NON-COATED
    UNITS:
    KIT
    BORE SIZE METRIC:
    75.00 MM
    ENGINE TYPE:
    4-STROKE
    MODEL:
    FORGED SERIES
    RIDING STYLE:
    ATV
    TYPE:
    TOP END
    BORE - OVERSIZE:
    +1,00 MM
    PISTON DIAMETER METRIC:
    74.95 MM
    PISTON MATERIAL:
    2618 ALUMINUM ALLOY
    COMPRESSION RATIO IMPERIAL:
    12.0:1
    PRODUCT NAME:
    REBUILD KIT
    STROKE LENGTH METRIC:
    57.30 MM
    $234.95
    Qty in Cart: 0
    Quantity:
    Price:
    $234.95
    Subtotal:
  • Wiseco Yamaha YFM700 Grizzly 2007-2013 Piston Kit PK1419

    Wiseco Yamaha YFM700 Grizzly 2007-2013 Piston Kit PK1419

    WISECO

    $334.95
    Experience unparalleled performance with the WISECO Piston Kit, meticulously engineered for 2-cycle engines. Crafted from high-silicone forged aluminum, this kit ensures superior strength and reduced thermal expansion, making it ideal for...
    09030508
    SKU:
    09030508
    Availability:
    Ships Same Business Day
    Weight:
    2.00 LBS
    BORE - OVERSIZE:
    STANDARD
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    2618 ALUMINUM ALLOY
    PRODUCT NAME:
    REBUILD KIT
    RIDING STYLE:
    ATV
    STROKE LENGTH METRIC:
    84.00 MM
    BORE SIZE METRIC:
    102.00 MM
    PISTON DIAMETER METRIC:
    101.94 MM
    TYPE:
    TOP END
    BORE - OVERSIZE METRIC:
    STANDARD
    COMPRESSION RATIO IMPERIAL:
    9.2:1
    SKIRT COATING:
    ARMORGLIDE®
    UNITS:
    KIT
    DISPLACEMENT:
    686 CC
    MODEL:
    FORGED SERIES
    RIDING STYLE:
    UTV
    $334.95
    Qty in Cart: 0
    Quantity:
    Price:
    $334.95
    Subtotal:
  • Wiseco Piston Kit Yamaha YFZ350 Banshee 1987-2006 64.25mm 513M06425

    Wiseco Piston Kit Yamaha YFZ350 Banshee 1987-2006 64.25mm 513M06425

    WISECO

    $154.95
    Upgrade your Banshee's performance with the WISECO Piston Kit 513M06425. Designed for durability and efficiency, this piston kit provides enhanced power and reliability for your engine. Please note that this kit does not include a gasket set, so be sure...
    09102794
    SKU:
    09102794
    Availability:
    Ships Same Business Day
    Weight:
    0.64 LBS
    MODEL:
    PRO-LITE
    BORE SIZE METRIC:
    64.25 MM
    ENGINE TYPE:
    2-STROKE
    RIDING STYLE:
    ATV
    BORE - OVERSIZE METRIC:
    +0.25 MM
    DISPLACEMENT:
    350 CC
    STROKE LENGTH METRIC:
    54.00 MM
    BORE - OVERSIZE:
    +0,25 MM
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    PRODUCT NAME:
    PISTON
    UNITS:
    EACH
    $154.95
    Qty in Cart: 0
    Quantity:
    Price:
    $154.95
    Subtotal:
  • Wiseco Piston Kit 1987-1990 Suzuki LT500R 88.50mm 561M08850

    Wiseco Piston Kit 1987-1990 Suzuki LT500R 88.50mm 561M08850

    WISECO

    $209.95
    Enhance your engine's performance with the WISECO Piston Kit LT500 561M08850, designed for durability and precision. This high-quality piston kit is engineered to deliver optimal power and efficiency, making it an essential upgrade for your vehicle...
    09102795
    SKU:
    09102795
    Availability:
    Ships Same Business Day
    Weight:
    1.25 LBS
    BORE - OVERSIZE METRIC:
    +2.50 MM
    MODEL:
    PRO-LITE
    BORE SIZE METRIC:
    88.50 MM
    ENGINE TYPE:
    2-STROKE
    BORE - OVERSIZE:
    +2,50 MM
    DISPLACEMENT:
    499,50 CC
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    PRODUCT NAME:
    PISTON
    RIDING STYLE:
    ATV
    STROKE LENGTH METRIC:
    86.00 MM
    UNITS:
    EACH
    $209.95
    Qty in Cart: 0
    Quantity:
    Price:
    $209.95
    Subtotal:
  • Wiseco Piston Kit 66.75mm for Yamaha YFS200 Blaster 1988-2006 573M06675

    Wiseco Piston Kit 66.75mm for Yamaha YFS200 Blaster 1988-2006 573M06675

    WISECO

    $139.95
    Upgrade your performance with the WISECO Piston Kit Blaster 573M06675, designed for optimal power and durability. This high-quality piston kit ensures a perfect fit for your engine, enhancing efficiency without the need for a gasket kit. Experience the...
    09102799
    SKU:
    09102799
    Availability:
    Ships Same Business Day
    Weight:
    0.65 LBS
    BORE - OVERSIZE:
    +0,75 MM
    BORE - OVERSIZE METRIC:
    +0.75 MM
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    PRODUCT NAME:
    PISTON
    UNITS:
    EACH
    BORE SIZE METRIC:
    66.75 MM
    DISPLACEMENT:
    195 CC
    ENGINE TYPE:
    2-STROKE
    RIDING STYLE:
    ATV
    STROKE LENGTH METRIC:
    57.00 MM
    Qty in Cart: 0
    Quantity:
    Price:
    $139.95
    Subtotal:
  • Wiseco Piston Kit with Gasket for Suzuki LT250R 1985-1986 72.00 mm PK1533

    Wiseco Piston Kit with Gasket for Suzuki LT250R 1985-1986 72.00 mm PK1533

    WISECO

    $289.95
    Enhance your engine's performance with the WISECO Piston Kit, designed specifically for 2-cycle engines. Crafted from high-silicone forged materials, this kit ensures durability and optimal thermal stability, making it ideal for high-performance...
    09030647
    SKU:
    09030647
    Availability:
    Ships Same Business Day
    Weight:
    1.60 LBS
    PISTON DIAMETER METRIC:
    71.92 MM
    PRODUCT NAME:
    REBUILD KIT
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    PISTON SIZE METRIC:
    +2.00 MM
    BORE - OVERSIZE:
    +2,00 MM
    BORE SIZE METRIC:
    72.00 MM
    RIDING STYLE:
    ATV
    TYPE:
    TOP END
    BORE - OVERSIZE METRIC:
    +2.00 MM
    DISPLACEMENT:
    247 CC
    ENGINE TYPE:
    2-STROKE
    MODEL:
    PRO-LITE
    SKIRT COATING:
    NON-COATED
    STROKE LENGTH METRIC:
    64.80 MM
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $289.95
    Subtotal:
  • Wiseco Piston Kit for Honda TRX450FM 1998-2004 PK1590

    Wiseco Piston Kit for Honda TRX450FM 1998-2004 PK1590

    WISECO

    $254.95
    Elevate your engine's performance with the WISECO Piston Kit, designed specifically for 2-cycle applications. Crafted from high-silicone forged aluminum, this kit ensures superior strength and minimal thermal expansion, providing reliability even under...
    09030649
    SKU:
    09030649
    Availability:
    Ships Same Business Day
    Weight:
    1.95 LBS
    PISTON DIAMETER METRIC:
    90.42 MM
    BORE - OVERSIZE METRIC:
    +0.50 MM
    PRODUCT NAME:
    REBUILD KIT
    BORE SIZE METRIC:
    90.50 MM
    COMPRESSION RATIO IMPERIAL:
    9.5:1
    DISPLACEMENT:
    432 CC
    MODEL:
    FORGED SERIES
    SKIRT COATING:
    NON-COATED
    STROKE LENGTH METRIC:
    68.00 MM
    BORE - OVERSIZE:
    +0,50 MM
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    2618 ALUMINUM ALLOY
    RIDING STYLE:
    ATV
    TYPE:
    TOP END
    UNITS:
    KIT
    $254.95
    Qty in Cart: 0
    Quantity:
    Price:
    $254.95
    Subtotal:
  • Wiseco Piston Kit Yamaha YFZ450 2004-2013 11.4:1 Compression 4865M09500

    Wiseco Piston Kit Yamaha YFZ450 2004-2013 11.4:1 Compression 4865M09500

    WISECO

    $219.95
    The WISECO Piston Kit Standard 4865M09500 is engineered for optimal performance and durability, making it an essential upgrade for your engine. Designed to enhance efficiency and power, this piston kit ensures a perfect fit and reliable operation. Please...
    09101668
    SKU:
    09101668
    Availability:
    Ships Same Business Day
    Weight:
    1.03 LBS
    BORE SIZE METRIC:
    95.00 MM
    PISTON MATERIAL:
    FORGED
    STROKE LENGTH METRIC:
    62.00 MM
    ENGINE TYPE:
    4-STROKE
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    COMPRESSION RATIO IMPERIAL:
    12.0:1
    DISPLACEMENT:
    439 CC
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PRODUCT NAME:
    PISTON
    SKIRT COATING:
    ARMORGLIDE®
    $219.95
    Qty in Cart: 0
    Quantity:
    Price:
    $219.95
    Subtotal:
  • Wiseco Piston Kit for Honda TRX450FE 2002-2006 91.5mm 4 Stroke PK1592

    Wiseco Piston Kit for Honda TRX450FE 2002-2006 91.5mm 4 Stroke PK1592

    WISECO

    $294.95
    Upgrade your engine's performance with the WISECO Piston Kit, designed specifically for 2-cycle engines. Crafted from high-silicone forged aluminum, this kit ensures durability and reduced thermal expansion, making it ideal for high-performance...
    09030651
    SKU:
    09030651
    Availability:
    Ships Same Business Day
    Weight:
    1.75 LBS
    COMPRESSION RATIO IMPERIAL:
    9.5:1
    PISTON DIAMETER METRIC:
    91.42 MM
    SKIRT COATING:
    NON-COATED
    UNITS:
    KIT
    BORE - OVERSIZE:
    +1,50 MM
    BORE SIZE METRIC:
    91.50 MM
    PISTON MATERIAL:
    2618 ALUMINUM ALLOY
    BORE - OVERSIZE METRIC:
    +1.50 MM
    ENGINE TYPE:
    4-STROKE
    MODEL:
    FORGED SERIES
    RIDING STYLE:
    ATV
    STROKE LENGTH METRIC:
    68.00 MM
    TYPE:
    TOP END
    DISPLACEMENT:
    432 CC
    PRODUCT NAME:
    REBUILD KIT
    $294.95
    Qty in Cart: 0
    Quantity:
    Price:
    $294.95
    Subtotal:
  • Wiseco Piston Kit 96.00mm 13.5:1 Honda TRX450R 2006-2009 4905M09600

    Wiseco Piston Kit 96.00mm 13.5:1 Honda TRX450R 2006-2009 4905M09600

    WISECO

    $274.95
    Enhance your ATV's performance with the WISECO Piston Kit, designed specifically for the TRX450R/ER models. This high-quality piston kit offers exceptional durability and reliability, ensuring optimal engine performance. Please note that the kit does not...
    09101671
    SKU:
    09101671
    Availability:
    Ships Same Business Day
    Weight:
    1.01 LBS
    DISPLACEMENT:
    450 CC
    PISTON MATERIAL:
    FORGED
    STROKE LENGTH METRIC:
    64.80 MM
    BORE SIZE METRIC:
    96.00 MM
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    PRODUCT NAME:
    PISTON
    SKIRT COATING:
    MOLY COATED
    $274.95
    Qty in Cart: 0
    Quantity:
    Price:
    $274.95
    Subtotal:
  • Wiseco Piston Kit 95.5mm 13:1 Suzuki LT-R450 2006-2011 4912M09550

    Wiseco Piston Kit 95.5mm 13:1 Suzuki LT-R450 2006-2011 4912M09550

    WISECO

    $274.95
    The WISECO Piston Kit for the LT-R 450 is engineered for high performance and durability, ensuring optimal engine efficiency. Designed to meet the demands of both recreational and competitive riders, this piston kit provides a reliable upgrade for your...
    09101672
    SKU:
    09101672
    Availability:
    Ships Same Business Day
    Weight:
    1.06 LBS
    BORE SIZE METRIC:
    95.50 MM
    DISPLACEMENT:
    450 CC
    ENGINE TYPE:
    4-STROKE
    RIDING STYLE:
    ATV
    PISTON MATERIAL:
    FORGED
    PRODUCT NAME:
    PISTON
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    PISTON MATERIAL:
    ALUMINUM ALLOY
    STROKE LENGTH METRIC:
    62.80 MM
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $274.95
    Subtotal:
  • Wiseco Piston Kit with Gasket for Polaris Predator 500 2003-2007 PK1645

    Wiseco Piston Kit with Gasket for Polaris Predator 500 2003-2007 PK1645

    WISECO

    $319.95
    Experience unparalleled performance with the WISECO Piston Kit, specifically designed for 2-cycle engines. Crafted from high-silicone forged bar stock, this kit ensures enhanced strength and reduced thermal expansion, making it ideal for high-temperature...
    09030653
    SKU:
    09030653
    Availability:
    Ships Same Business Day
    Weight:
    2.34 LBS
    BORE - OVERSIZE METRIC:
    STANDARD
    DISPLACEMENT:
    499 CC
    STROKE LENGTH METRIC:
    64.60 MM
    BORE - OVERSIZE:
    STANDARD
    ENGINE TYPE:
    4-STROKE
    MODEL:
    FORGED SERIES
    RIDING STYLE:
    ATV
    SKIRT COATING:
    NON-COATED
    PISTON MATERIAL:
    2618 ALUMINUM ALLOY
    PRODUCT NAME:
    REBUILD KIT
    BORE SIZE METRIC:
    99.20 MM
    COMPRESSION RATIO IMPERIAL:
    12.5:1
    PISTON DIAMETER METRIC:
    99.12 MM
    TYPE:
    TOP END
    UNITS:
    KIT
    $319.95
    Qty in Cart: 0
    Quantity:
    Price:
    $319.95
    Subtotal:
  • Wiseco Yamaha YFM80 Grizzly 2005 Piston Kit with Gasket PK1678

    Wiseco Yamaha YFM80 Grizzly 2005 Piston Kit with Gasket PK1678

    WISECO

    $209.95
    Upgrade your engine's performance with the WISECO Piston Kit, designed for maximum strength and efficiency. This complete kit includes everything you need for a high-performance rebuild, ensuring your engine runs smoothly and powerfully under demanding...
    09030660
    SKU:
    09030660
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    BORE SIZE METRIC:
    47.00 MM
    PISTON DIAMETER METRIC:
    46.97 MM
    PRODUCT NAME:
    REBUILD KIT
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    ENGINE TYPE:
    4-STROKE
    MODEL:
    FORGED SERIES
    SKIRT COATING:
    NON-COATED
    STROKE LENGTH METRIC:
    45.60 MM
    COMPRESSION RATIO IMPERIAL:
    11.0:1
    DISPLACEMENT:
    79 CC
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    ATV
    TYPE:
    TOP END
    UNITS:
    KIT
    $209.95
    Qty in Cart: 0
    Quantity:
    Price:
    $209.95
    Subtotal:
  • Wiseco Piston Kit 68.50mm for Honda ATC250R 1985-1986 PK1081

    Wiseco Piston Kit 68.50mm for Honda ATC250R 1985-1986 PK1081

    WISECO

    $284.95
    Elevate your engine's performance with the WISECO Piston Kit, designed for optimal strength and efficiency. Crafted from high-silicone forged materials, this kit ensures durability and minimal thermal expansion, making it perfect for high-performance...
    09030461
    SKU:
    09030461
    Availability:
    Ships Same Business Day
    Weight:
    0.85 LBS
    BORE - OVERSIZE METRIC:
    +2.50 MM
    BORE SIZE METRIC:
    68.50 MM
    ENGINE TYPE:
    2-STROKE
    MODEL:
    PRO-LITE
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    ATV
    TYPE:
    TOP END
    UNITS:
    KIT
    BORE - OVERSIZE:
    +2,50 MM
    PRODUCT NAME:
    REBUILD KIT
    STROKE LENGTH METRIC:
    72.00 MM
    DISPLACEMENT:
    246 CC
    PISTON DIAMETER METRIC:
    68.43 MM
    SKIRT COATING:
    NON-COATED
    $284.95
    Qty in Cart: 0
    Quantity:
    Price:
    $284.95
    Subtotal:
  • Wiseco Piston Kit for Polaris Sportsman 400 4x4 1994-1996 PK1111

    Wiseco Piston Kit for Polaris Sportsman 400 4x4 1994-1996 PK1111

    WISECO

    $254.95
    Experience unparalleled performance with the WISECO Piston Kit, engineered specifically for 2-cycle engines. Crafted from high-silicone forged materials, this kit ensures superior strength and minimal thermal expansion, making it ideal for...
    09030463
    SKU:
    09030463
    Availability:
    Ships Same Business Day
    Weight:
    1.95 LBS
    BORE - OVERSIZE:
    +2,00 MM
    PISTON DIAMETER METRIC:
    84.92 MM
    PISTON SIZE METRIC:
    +2.00 MM
    RIDING STYLE:
    ATV
    STROKE LENGTH METRIC:
    70.00 MM
    TYPE:
    TOP END
    BORE - OVERSIZE METRIC:
    +2.00 MM
    BORE SIZE METRIC:
    85.00 MM
    DISPLACEMENT:
    400 CC
    ENGINE TYPE:
    2-STROKE
    PRODUCT NAME:
    REBUILD KIT
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    SKIRT COATING:
    NON-COATED
    UNITS:
    KIT
    MODEL:
    FORGED SERIES
    Qty in Cart: 0
    Quantity:
    Price:
    $254.95
    Subtotal:
  • Wiseco Yamaha YFZ350 Banshee 1987-2006 Piston Kit with Gaskets PK149

    Wiseco Yamaha YFZ350 Banshee 1987-2006 Piston Kit with Gaskets PK149

    WISECO

    $379.95
    Experience superior performance with the WISECO Piston Kit, designed for those who demand reliability and strength. This comprehensive kit provides everything you need for overboring or rebuilding your top end, ensuring optimal engine efficiency and...
    09030465
    SKU:
    09030465
    Availability:
    Ships Same Business Day
    Weight:
    2.15 LBS
    BORE - OVERSIZE:
    +0,50 MM
    PISTON MATERIAL:
    ALUMINUM
    DISPLACEMENT:
    352 CC
    STROKE LENGTH METRIC:
    54.00 MM
    BORE - OVERSIZE METRIC:
    +0.50 MM
    BORE SIZE METRIC:
    64.50 MM
    MODEL:
    RACER'S CHOICE
    RIDING STYLE:
    ATV
    TYPE:
    TOP END
    UNITS:
    EACH
    COOLING SYSTEM:
    LIQUID COOLED
    PISTON MATERIAL:
    FORGED
    PRODUCT NAME:
    REBUILD KIT
    $379.95
    Qty in Cart: 0
    Quantity:
    Price:
    $379.95
    Subtotal:
  • Wiseco Piston Kit Standard 94mm 10.5:1 Honda TRX450R 2004-2005 4848M09400

    Wiseco Piston Kit Standard 94mm 10.5:1 Honda TRX450R 2004-2005 4848M09400

    WISECO

    $239.95
    Enhance your TRX450R's performance with the WISECO Piston Kit, designed for durability and efficiency. This high-quality piston kit ensures optimal engine performance while maintaining reliability under demanding conditions. Note that this kit does not...
    09100665
    SKU:
    09100665
    Availability:
    Ships Same Business Day
    Weight:
    1.04 LBS
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    PISTON MATERIAL:
    FORGED
    PRODUCT NAME:
    PISTON
    BORE SIZE METRIC:
    94 MM
    DISPLACEMENT:
    450 CC
    SKIRT COATING:
    MOLY COATED
    PISTON MATERIAL:
    ALUMINUM ALLOY
    RIDING STYLE:
    ATV
    STROKE LENGTH METRIC:
    64.80 MM
    UNITS:
    EACH
    $239.95
    Qty in Cart: 0
    Quantity:
    Price:
    $239.95
    Subtotal:
  • Wiseco Piston Kit Honda TRX450R 2004-2005 94.00mm 13.1:1 4851M09400

    Wiseco Piston Kit Honda TRX450R 2004-2005 94.00mm 13.1:1 4851M09400

    WISECO

    $274.95
    Upgrade your TRX450R with the WISECO Piston Kit, designed for optimal performance and durability. This high-quality piston kit enhances engine efficiency, providing a significant boost in power and responsiveness. Note that this kit is sold without a...
    09100668
    SKU:
    09100668
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    BORE - OVERSIZE METRIC:
    STANDARD
    BORE SIZE METRIC:
    94 MM
    PISTON MATERIAL:
    FORGED
    PRODUCT NAME:
    PISTON
    SKIRT COATING:
    ARMORGLIDE®
    BORE - OVERSIZE:
    STANDARD
    PISTON MATERIAL:
    ALUMINUM ALLOY
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    COMPRESSION RATIO IMPERIAL:
    13.1:1
    DISPLACEMENT:
    450 CC
    STROKE LENGTH METRIC:
    64.80 MM
    $274.95
    Qty in Cart: 0
    Quantity:
    Price:
    $274.95
    Subtotal:
  • Wiseco 86mm Piston Kit for Honda TRX400EX 1999-2008 PK1038

    Wiseco 86mm Piston Kit for Honda TRX400EX 1999-2008 PK1038

    WISECO

    $319.95
    Upgrade your engine's performance with the WISECO Piston Kit, designed specifically for 2-cycle engines. Crafted from high-silicone forged material, this kit ensures enhanced strength and reduced thermal expansion, providing reliable performance even...
    09030471
    SKU:
    09030471
    Availability:
    Ships Same Business Day
    Weight:
    2.00 LBS
    BORE - OVERSIZE:
    +1,00 MM
    MODEL:
    FORGED SERIES
    PRODUCT NAME:
    REBUILD KIT
    BORE - OVERSIZE METRIC:
    +1.00 MM
    BORE SIZE METRIC:
    86.00 MM
    COMPRESSION RATIO IMPERIAL:
    11.0:1
    DISPLACEMENT:
    397 CC
    PISTON DIAMETER METRIC:
    85.95 MM
    RIDING STYLE:
    OFF-ROAD
    SKIRT COATING:
    NON-COATED
    UNITS:
    KIT
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    2618 ALUMINUM ALLOY
    RIDING STYLE:
    ATV
    STROKE LENGTH METRIC:
    70.00 MM
    TYPE:
    TOP END
    $319.95
    Qty in Cart: 0
    Quantity:
    Price:
    $319.95
    Subtotal:
  • Wiseco 87mm Piston Kit for Honda TRX400EX 1999-2008 PK1039

    Wiseco 87mm Piston Kit for Honda TRX400EX 1999-2008 PK1039

    WISECO

    $349.95
    Upgrade your engine’s performance with the WISECO Piston Kit, designed specifically for 2-cycle engines. Each kit includes high-performance forged pistons and essential components, ensuring a complete and reliable rebuild for optimal power and efficiency...
    09030473
    SKU:
    09030473
    Availability:
    Ships Same Business Day
    Weight:
    1.70 LBS
    PISTON SIZE METRIC:
    +2.00 MM
    PRODUCT NAME:
    REBUILD KIT
    DISPLACEMENT:
    397 CC
    MODEL:
    FORGED SERIES
    SKIRT COATING:
    NON-COATED
    STROKE LENGTH METRIC:
    70.00 MM
    BORE - OVERSIZE:
    +2,00 MM
    BORE - OVERSIZE METRIC:
    +2.00 MM
    BORE SIZE METRIC:
    87.00 MM
    COMPRESSION RATIO IMPERIAL:
    11.0:1
    ENGINE TYPE:
    4-STROKE
    PISTON DIAMETER METRIC:
    86.95 MM
    PISTON MATERIAL:
    2618 ALUMINUM ALLOY
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $349.95
    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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