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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 97mm 13.5:1 Compression for 2007-2012 KTM 450 SX-F 4938M09700

    Wiseco Piston Kit 97mm 13.5:1 Compression for 2007-2012 KTM 450 SX-F 4938M09700

    WISECO

    $284.95
    If you're running a KTM 450 SX-F or XC-F and want measurable gains in power and throttle response, a quality piston kit is one of the highest-impact upgrades you can make. The Wiseco 4938M09700 delivers a 13.5:1 compression ratio that extracts real...
    09100851
    SKU:
    09100851
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    RIDING STYLE:
    OFF-ROAD
    STROKE LENGTH METRIC:
    60.80 MM
    DISPLACEMENT:
    449 CC
    BORE - OVERSIZE:
    STANDARD
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    BORE - OVERSIZE METRIC:
    STANDARD
    BORE SIZE METRIC:
    97.00 MM
    COMPRESSION RATIO IMPERIAL:
    13.5:1
    PISTON MATERIAL:
    FORGED
    PRODUCT NAME:
    PISTON
    SKIRT COATING:
    MOLY COATED
    $284.95
    Qty in Cart: 0
    Quantity:
    Price:
    $284.95
    Subtotal:
  • Wiseco Suzuki RM85 2002-2023 48.50mm Piston Kit PK1207

    Wiseco Suzuki RM85 2002-2023 48.50mm Piston Kit PK1207

    WISECO

    $186.95
    A properly rebuilt top end is non-negotiable for RM85 reliability and performance. The Wiseco PK1207 delivers the precision-engineered pistons and complete gasket set you need to restore compression, recover lost power, and extend engine life through...
    09030544
    SKU:
    09030544
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    BORE - OVERSIZE:
    +0,50 MM
    BORE - OVERSIZE METRIC:
    +0.50 MM
    BORE SIZE METRIC:
    48.50 MM
    ENGINE TYPE:
    2-STROKE
    MODEL:
    PRO-LITE
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    UNITS:
    KIT
    STROKE LENGTH METRIC:
    46.80 MM
    DISPLACEMENT:
    84.7 CC
    PRODUCT NAME:
    REBUILD KIT
    PISTON DIAMETER METRIC:
    48.45 MM
    SKIRT COATING:
    ARMORGLIDE®
    Qty in Cart: 0
    Quantity:
    Price:
    $186.95
    Subtotal:
  • Wiseco Piston Kit for Honda CR250R 2005-2007 66.40mm PK1381

    Wiseco Piston Kit for Honda CR250R 2005-2007 66.40mm PK1381

    WISECO

    $309.95
    The Wiseco PK1381 is engineered for CR250R riders who need a proven top-end rebuild that restores or exceeds factory performance. If you're experiencing power loss, worn compression, or simply demand race-proven components, this complete piston kit...
    09030550
    SKU:
    09030550
    Availability:
    Ships Same Business Day
    Weight:
    1.44 LBS
    COOLING SYSTEM:
    LIQUID COOLED
    DISPLACEMENT:
    249 CC
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    BORE SIZE METRIC:
    66.40 MM
    MODEL:
    RACER'S CHOICE
    PISTON MATERIAL:
    ALUMINUM
    PISTON MATERIAL:
    FORGED
    UNITS:
    EACH
    PRODUCT NAME:
    REBUILD KIT
    STROKE LENGTH METRIC:
    72.00 MM
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    $309.95
    Qty in Cart: 0
    Quantity:
    Price:
    $309.95
    Subtotal:
  • Wiseco Honda CRF450R 2002-2008 Piston Kit PK1233

    Wiseco Honda CRF450R 2002-2008 Piston Kit PK1233

    WISECO

    $390.95
    When you're rebuilding a CRF450R top end, you need a piston kit that matches the precision your engine demands. The Wiseco PK1233 delivers the bore accuracy and compression ratio necessary for consistent power gains and extended durability, whether...
    09030552
    SKU:
    09030552
    Availability:
    Ships Same Business Day
    Weight:
    1.55 LBS
    BORE SIZE METRIC:
    96.00 MM
    MODEL:
    FORGED SERIES
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    DISPLACEMENT:
    449 CC
    PISTON DIAMETER METRIC:
    95.94 MM
    SKIRT COATING:
    ARMORGLIDE®
    UNITS:
    KIT
    COMPRESSION RATIO IMPERIAL:
    12.5:1
    PRODUCT NAME:
    REBUILD KIT
    STROKE LENGTH METRIC:
    62.10 MM
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    2618 ALUMINUM ALLOY
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    $390.95
    Qty in Cart: 0
    Quantity:
    Price:
    $390.95
    Subtotal:
  • Wiseco Piston Kit 77mm 13.1:1 for 2004-2005 Kawasaki KX250F PK1237

    Wiseco Piston Kit 77mm 13.1:1 for 2004-2005 Kawasaki KX250F PK1237

    WISECO

    $308.95
    A complete top-end rebuild demands precision components that can handle sustained high RPMs and aggressive tuning. The Wiseco PK1237 delivers race-proven engineering in a bolt-together package, letting you maximize combustion efficiency without guesswork...
    09030555
    SKU:
    09030555
    Availability:
    Ships Same Business Day
    Weight:
    1.10 LBS
    BORE - OVERSIZE METRIC:
    STANDARD
    PISTON MATERIAL:
    2618 ALUMINUM ALLOY
    PRODUCT NAME:
    REBUILD KIT
    BORE - OVERSIZE:
    STANDARD
    BORE SIZE METRIC:
    77.00 MM
    DISPLACEMENT:
    250 CC
    ENGINE TYPE:
    4-STROKE
    MODEL:
    FORGED SERIES
    SKIRT COATING:
    NON-COATED
    STROKE LENGTH METRIC:
    53.60 MM
    COMPRESSION RATIO IMPERIAL:
    13.1:1
    PISTON DIAMETER METRIC:
    76.96 MM
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    UNITS:
    KIT
    $308.95
    Qty in Cart: 0
    Quantity:
    Price:
    $308.95
    Subtotal:
  • Wiseco Yamaha WR250F 2005-2013 Piston Kit PK1384

    Wiseco Yamaha WR250F 2005-2013 Piston Kit PK1384

    WISECO

    $344.95
    When your WR250F's top end shows wear, you lose compression, reliability, and the crisp power delivery that keeps you competitive. The Wiseco PK1384 restores full performance with OEM-quality pistons and a complete gasket set, eliminating guesswork...
    09030558
    SKU:
    09030558
    Availability:
    Ships Same Business Day
    Weight:
    1.15 LBS
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    2618 ALUMINUM ALLOY
    TYPE:
    TOP END
    PISTON DIAMETER METRIC:
    76.95 MM
    PRODUCT NAME:
    REBUILD KIT
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    COMPRESSION RATIO IMPERIAL:
    13.5:1
    RIDING STYLE:
    OFF-ROAD
    SKIRT COATING:
    ARMORGLIDE®
    UNITS:
    KIT
    BORE SIZE METRIC:
    77.00 MM
    DISPLACEMENT:
    250 CC
    MODEL:
    FORGED SERIES
    RIDING STYLE:
    STREET
    STROKE LENGTH METRIC:
    53.60 MM
    Qty in Cart: 0
    Quantity:
    Price:
    $344.95
    Subtotal:
  • Wiseco YZ250F 2005-2007 WR250F 2005-2013 Piston Kit with Gaskets PK1401

    Wiseco YZ250F 2005-2007 WR250F 2005-2013 Piston Kit with Gaskets PK1401

    WISECO

    $299.95
    When your YZ250F or WR250F starts showing signs of wear—loss of compression, rough idle, or declining power—a top-end rebuild is often the most cost-effective way to restore full performance. The Wiseco PK1401 gives you OEM-quality components with proven...
    09030559
    SKU:
    09030559
    Availability:
    Ships Same Business Day
    Weight:
    1.25 LBS
    BORE - OVERSIZE:
    STANDARD
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    2618 ALUMINUM ALLOY
    PRODUCT NAME:
    REBUILD KIT
    BORE - OVERSIZE METRIC:
    STANDARD
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    COMPRESSION RATIO IMPERIAL:
    12.5:1
    PISTON DIAMETER METRIC:
    76.95 MM
    TYPE:
    TOP END
    BORE SIZE METRIC:
    77.00 MM
    DISPLACEMENT:
    250 CC
    MODEL:
    FORGED SERIES
    SKIRT COATING:
    NON-COATED
    STROKE LENGTH METRIC:
    53.60 MM
    Qty in Cart: 0
    Quantity:
    Price:
    $299.95
    Subtotal:
  • Wiseco Piston Kit Standard 39mm 11:1 Compression Honda Z50R 1982-1987 4828M03900

    Wiseco Piston Kit Standard 39mm 11:1 Compression Honda Z50R 1982-1987 4828M03900

    WISECO

    $119.95
    If you're running a Honda Z50R and want to maximize power output without sacrificing reliability, the Wiseco 4828M03900 piston kit delivers the compression ratio and material quality needed for consistent performance gains. The 11:1 compression ratio...
    09100738
    SKU:
    09100738
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    PISTON MATERIAL:
    FORGED
    RIDING STYLE:
    STREET
    STROKE LENGTH METRIC:
    41.40 MM
    COMPRESSION RATIO IMPERIAL:
    11.0:1
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    PRODUCT NAME:
    PISTON
    BORE SIZE METRIC:
    39.00 MM
    DISPLACEMENT:
    49,50 CC
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $119.95
    Subtotal:
  • Wiseco Piston Kit Sea-Doo 650 1993-1994 WK1118

    Wiseco Piston Kit Sea-Doo 650 1993-1994 WK1118

    WISECO

    $392.70
    If you're running a Sea-Doo 650 and want to restore lost compression or build additional power, piston replacement is non-negotiable. The Wiseco WK1118 delivers the precision fit and material quality that separates reliable performance from catastrophic...
    WK1118
    SKU:
    WK1118
    Availability:
    Ships Same Business Day
    Weight:
    2.63 LBS
    BORE SIZE METRIC:
    79.00 MM
    MODEL:
    FORGED SERIES
    PRODUCT NAME:
    REBUILD KIT
    BORE - OVERSIZE:
    +1,00 MM
    PISTON DIAMETER METRIC:
    73.90 MM
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    WATERCRAFT
    BORE - OVERSIZE METRIC:
    +1.00 MM
    DISPLACEMENT:
    666 CC
    UNITS:
    KIT
    ENGINE TYPE:
    2-STROKE
    SKIRT COATING:
    NON-COATED
    TYPE:
    TOP END
    $392.70
    Qty in Cart: 0
    Quantity:
    Price:
    $392.70
    Subtotal:
  • Wiseco Piston Kit Sea Doo XP Limited 1998-1999 951 040 WK1213

    Wiseco Piston Kit Sea Doo XP Limited 1998-1999 951 040 WK1213

    WISECO

    $459.57
    If you're running a 1998-1999 Sea-Doo XP Limited 951, piston quality directly impacts how much power you can reliably extract from your engine. The Wiseco WK1213 delivers CNC-machined Pro-Lite pistons built from aerospace-grade forged aluminum—the same...
    WK1213
    SKU:
    WK1213
    Availability:
    Ships Same Business Day
    Weight:
    3.25 LBS
    SKIRT COATING:
    NON-COATED
    TYPE:
    TOP END
    UNITS:
    KIT
    BORE - OVERSIZE METRIC:
    +1.00 MM
    DISPLACEMENT:
    971 CC
    ENGINE TYPE:
    2-STROKE
    MODEL:
    FORGED SERIES
    BORE - OVERSIZE:
    +1,00 MM
    BORE SIZE METRIC:
    89.00 MM
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    WATERCRAFT
    PISTON DIAMETER METRIC:
    88.90 MM
    PRODUCT NAME:
    REBUILD KIT
    $459.57
    Qty in Cart: 0
    Quantity:
    Price:
    $459.57
    Subtotal:
  • Wiseco Piston Kit Yamaha GP1200 1997-1999 WK1313

    Wiseco Piston Kit Yamaha GP1200 1997-1999 WK1313

    WISECO

    $594.95
    If you're running a Yamaha GP1200, piston wear directly impacts throttle response, fuel efficiency, and engine longevity. The Wiseco WK1313 restores—or exceeds—OEM performance with a complete overhaul kit that includes rings and gaskets, eliminating...
    WK1313
    SKU:
    WK1313
    Availability:
    Ships Same Business Day
    Weight:
    4.70 LBS
    BORE SIZE METRIC:
    84.50 MM
    MODEL:
    FORGED SERIES
    RIDING STYLE:
    WATERCRAFT
    BORE - OVERSIZE:
    +0,50 MM
    PISTON DIAMETER METRIC:
    84.37 MM
    SKIRT COATING:
    NON-COATED
    UNITS:
    KIT
    BORE - OVERSIZE METRIC:
    +0.50 MM
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    TOP END
    DISPLACEMENT:
    1142 CC
    ENGINE TYPE:
    2-STROKE
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    $594.95
    Qty in Cart: 0
    Quantity:
    Price:
    $594.95
    Subtotal:
  • Wiseco Piston Kit Yamaha GP 1200 WaveRunner 1997-1999 1 mm WK1314

    Wiseco Piston Kit Yamaha GP 1200 WaveRunner 1997-1999 1 mm WK1314

    WISECO

    $581.67
    Factory pistons won't survive sustained high-RPM operation in a 2-stroke watercraft—thermal stress and detonation will cause catastrophic failure. The Wiseco WK1314 kit is engineered specifically for the Yamaha GP 1200 with forged aluminum construction...
    WK1314
    SKU:
    WK1314
    Availability:
    Ships Same Business Day
    Weight:
    4.70 LBS
    BORE SIZE METRIC:
    85.00 MM
    DISPLACEMENT:
    1156 CC
    MODEL:
    FORGED SERIES
    PRODUCT NAME:
    REBUILD KIT
    BORE - OVERSIZE:
    +1,00 MM
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    WATERCRAFT
    BORE - OVERSIZE METRIC:
    +1.00 MM
    ENGINE TYPE:
    2-STROKE
    UNITS:
    KIT
    PISTON DIAMETER METRIC:
    84.87 MM
    SKIRT COATING:
    NON-COATED
    TYPE:
    TOP END
    $581.67
    Qty in Cart: 0
    Quantity:
    Price:
    $581.67
    Subtotal:
  • Wiseco Piston Kit Honda CRF150F 2006-2017 57.5mm 10:1 Compression 40132M05750

    Wiseco Piston Kit Honda CRF150F 2006-2017 57.5mm 10:1 Compression 40132M05750

    WISECO

    $154.95
    If you're running a Honda CRF150F and want measurable gains in power and throttle response, a high-compression piston upgrade is one of the most direct paths to performance. The Wiseco 40132M05750 delivers the kind of engineering precision that separates...
    09103946
    SKU:
    09103946
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    COMPRESSION RATIO IMPERIAL:
    10.0:1
    BORE SIZE METRIC:
    57.50 MM
    BORE - OVERSIZE METRIC:
    STANDARD
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    PRODUCT NAME:
    PISTON
    STROKE LENGTH METRIC:
    57.50 MM
    UNITS:
    EACH
    BORE - OVERSIZE:
    STANDARD
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $154.95
    Subtotal:
  • Wiseco Piston Kit Kawasaki KX100 1995-2021 RE907M05450

    Wiseco Piston Kit Kawasaki KX100 1995-2021 RE907M05450

    WISECO

    $154.95
    The Wiseco RE907M05450 Racer Elite Piston Kit delivers the precision engineering your KX100 demands when you're pushing hard on the track. With a 54.50 mm bore and advanced alloy construction, this kit handles the thermal stress and detonation that come...
    09105094
    SKU:
    09105094
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    BORE SIZE METRIC:
    54.50 MM
    UNITS:
    KIT
    BORE - OVERSIZE:
    +2,00 MM
    BORE - OVERSIZE METRIC:
    +2.00 MM
    ENGINE TYPE:
    2-STROKE
    PRODUCT NAME:
    PISTON KIT
    SKIRT COATING:
    ARMORFITâ„¢
    PISTON MATERIAL:
    2000 SERIES ALLOY
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    RACER ELITE
    PISTON MATERIAL:
    FORGED
    Qty in Cart: 0
    Quantity:
    Price:
    $154.95
    Subtotal:
  • Wiseco Piston Kit Kawasaki KX125 2001-2005 58.00mm RE927M05800

    Wiseco Piston Kit Kawasaki KX125 2001-2005 58.00mm RE927M05800

    WISECO

    $204.95
    If you're running a KX125 in competitive environments, piston durability and ring sealing directly impact your lap times and engine reliability. This Wiseco Racer Elite kit delivers the precision bore diameter and advanced coatings necessary to maintain...
    09105096
    SKU:
    09105096
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    BORE - OVERSIZE:
    +4,00 MM
    ENGINE TYPE:
    2-STROKE
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    RACER ELITE
    UNITS:
    KIT
    PISTON MATERIAL:
    FORGED
    PISTON MATERIAL:
    2000 SERIES ALLOY
    BORE - OVERSIZE METRIC:
    +4.00 MM
    BORE SIZE METRIC:
    58.00 MM
    PRODUCT NAME:
    PISTON KIT
    SKIRT COATING:
    ARMORFITâ„¢
    $204.95
    Qty in Cart: 0
    Quantity:
    Price:
    $204.95
    Subtotal:
  • Wiseco Piston Kit for 1997-1999 Suzuki RM125 PK1137

    Wiseco Piston Kit for 1997-1999 Suzuki RM125 PK1137

    WISECO

    $212.95
    If you're running a 1997-1999 Suzuki RM125 and want measurable gains in acceleration and throttle response, a quality piston kit is one of the highest-ROI upgrades you can make. The Wiseco PK1137 Pro-Lite delivers the precision engineering and durability...
    09030290
    SKU:
    09030290
    Availability:
    Ships Same Business Day
    Weight:
    0.80 LBS
    MODEL:
    PRO-LITE
    RIDING STYLE:
    OFF-ROAD
    SKIRT COATING:
    NON-COATED
    STROKE LENGTH METRIC:
    54.00 MM
    UNITS:
    KIT
    BORE SIZE METRIC:
    54.00 MM
    ENGINE TYPE:
    2-STROKE
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    TOP END
    DISPLACEMENT:
    123 CC
    PISTON DIAMETER METRIC:
    53.96 MM
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    $212.95
    Qty in Cart: 0
    Quantity:
    Price:
    $212.95
    Subtotal:
  • Wiseco 54mm Racer Elite Piston Kit for 1995-2003 Honda CR125R RE908M05400

    Wiseco 54mm Racer Elite Piston Kit for 1995-2003 Honda CR125R RE908M05400

    WISECO

    $221.95
    If you're running a CR125R that's seeing serious track time, piston wear is inevitable—and a worn piston kills compression, throttle response, and overall power delivery. The Wiseco RE908M05400 Racer Elite kit gives you OEM-spec fitment with race-proven...
    09105078
    SKU:
    09105078
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    PRODUCT NAME:
    PISTON KIT
    SKIRT COATING:
    ARMORFITâ„¢
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    PISTON MATERIAL:
    FORGED
    BORE SIZE METRIC:
    54.00 MM
    PISTON MATERIAL:
    2000 SERIES ALLOY
    ENGINE TYPE:
    2-STROKE
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    RACER ELITE
    UNITS:
    KIT
    $221.95
    Qty in Cart: 0
    Quantity:
    Price:
    $221.95
    Subtotal:
  • Wiseco Piston Standard Kawasaki KX 250 1992-2001 617M06640

    Wiseco Piston Standard Kawasaki KX 250 1992-2001 617M06640

    WISECO

    $221.95
    If you're running a KX250 hard enough to wear out the original piston, you need a replacement that matches your commitment to performance. The Wiseco 617M06640 delivers the precision bore diameter and lightweight construction required to maintain...
    617M06640
    SKU:
    617M06640
    Availability:
    Ships Same Business Day
    Weight:
    0.80 LBS
    DISPLACEMENT:
    249 CC
    STROKE LENGTH:
    70,00 MM
    BORE SIZE METRIC:
    66.40 MM
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    PRODUCT NAME:
    PISTON
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    RIDING STYLE:
    OFF-ROAD
    STROKE LENGTH METRIC:
    70.00 MM
    UNITS:
    EACH
    $221.95
    Qty in Cart: 0
    Quantity:
    Price:
    $221.95
    Subtotal:
  • Wossner Piston Kit Honda CRF250R 2020-2024 8967DB

    Wossner Piston Kit Honda CRF250R 2020-2024 8967DB

    WOSSNER

    $214.00
    When your CRF250R demands maximum durability and efficiency, factory pistons fall short of what serious riders need. The Wossner 8967DB delivers the precision engineering and advanced materials required to maintain peak performance through demanding...
    09106117
    SKU:
    09106117
    Availability:
    Ships Same Business Day
    Weight:
    0.52 LBS
    BORE - OVERSIZE:
    +0,01 MM
    PISTON MATERIAL:
    FORGED
    BORE - OVERSIZE METRIC:
    +0.01 MM
    COMPRESSION RATIO IMPERIAL:
    13.9:1
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON SIZE METRIC:
    78.97 MM
    PRODUCT NAME:
    PISTON KIT
    MODEL:
    PREMIUM SERIES
    RIDING STYLE:
    OFF-ROAD
    BORE SIZE METRIC:
    79.01 MM
    UNITS:
    KIT
    $214.00
    Qty in Cart: 0
    Quantity:
    Price:
    $214.00
    Subtotal:
  • Wossner Piston Kit Husqvarna TC 510 2006-2009 Standard 8652DA

    Wossner Piston Kit Husqvarna TC 510 2006-2009 Standard 8652DA

    WOSSNER

    $234.00
    The Wossner Piston Kit for your Husqvarna TC 510 delivers the reliability and performance your machine demands, whether you're pushing limits on the track or tackling technical terrain. A complete piston assembly from a trusted German manufacturer means...
    09106118
    SKU:
    09106118
    Availability:
    Ships Same Business Day
    Weight:
    0.86 LBS
    BORE SIZE METRIC:
    97.00 MM
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    COMPRESSION RATIO IMPERIAL:
    13.0:1
    PISTON SIZE METRIC:
    96.95 MM
    BORE - OVERSIZE METRIC:
    STANDARD
    ENGINE TYPE:
    4-STROKE
    MODEL:
    PRO SERIES
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    BORE - OVERSIZE:
    STANDARD
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $234.00
    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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