Select Your Ride

1
2
3

WOSSNER

WOSSNER

WOSSNER

Wossner Pistons and Engine Components at JJ Motorsports

Wossner is a respected name in the high-performance automotive and powersports industry, renowned for its dedication to precision engineering and quality. Established several decades ago, Wossner has continuously pushed the boundaries of engine performance, becoming a trusted partner for enthusiasts and professionals. Specializing in high-performance pistons, connecting rods, and other engine components, Wossner offers products engineered for maximum efficiency and durability, particularly for snowmobiles, motorcycles, and ATVs.

At JJ Motorsports, we offer a wide selection of Wossner products to enhance your vehicle's performance. Popular items include the Wossner Piston Kit 54.45mm Yamaha YZ125 1998-2001 8091D050, designed for reduced friction and noise, the Wossner 66.37mm Piston Kit for Arctic Cat ZRT600 1996-2000 K7032DA-2 with lightweight construction for optimal efficiency, and the Wossner Piston Kit 70.87mm Arctic Cat 2004-2006 F7 Firecat K7035DA-2 for superior durability. Other favorites are the Wossner Piston Kit 69.89 mm Arctic Cat El Tigre 6000 1984-1985 K7003DA-2 for precision fit and the Wossner Piston Kit 73.28mm Arctic Cat Cougar 1993-1998 K7005DA-2 with tight piston wall clearance.

Wossner products provide significant benefits such as enhanced engine performance, improved efficiency, reduced friction and noise, and increased durability for racing and everyday use. Key features include lightweight construction, precision engineering for specific models, advanced materials, and optimal fit to maximize power output and reliability.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Wossner Dual Ring Piston Kit KTM 250 2005-2025 8169DB

    Wossner Dual Ring Piston Kit KTM 250 2005-2025 8169DB

    WOSSNER

    $152.00
    The Wossner 8169DB piston kit delivers the reliability and precision required for sustained high-rpm performance in your KTM 250 2-stroke. Factory-engineered with 4032 T6 forged aluminum and a...
    09104862
    SKU:
    09104862
    Availability:
    Ships Same Business Day
    Weight:
    0.80 LBS
    ENGINE TYPE:
    2-STROKE
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BORE - OVERSIZE:
    +0,01 MM
    BORE - OVERSIZE METRIC:
    +0.01 MM
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    PISTON SIZE METRIC:
    66.35 MM
    BORE SIZE METRIC:
    66.41 MM
    DISPLACEMENT:
    249 CC
    MODEL:
    STANDARD SERIES
    PRODUCT NAME:
    PISTON KIT
    TYPE:
    DUAL RING
    $152.00
    Qty in Cart: 0
    Quantity:
    Price:
    $152.00
    Subtotal:
  • Wossner Piston Kit KTM 250 SX 2005-2020 8169DA

    Wossner Piston Kit KTM 250 SX 2005-2020 8169DA

    WOSSNER

    $152.00
    The KTM 250 SX demands a piston that can withstand extreme combustion pressures and sustained high RPMs without compromising reliability. Wossner's 8169DA kit delivers exactly that—a...
    09104861
    SKU:
    09104861
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    MODEL:
    STANDARD SERIES
    PISTON SIZE METRIC:
    66.34 MM
    PRODUCT NAME:
    PISTON KIT
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    BORE SIZE METRIC:
    66.40 MM
    PISTON MATERIAL:
    FORGED
    UNITS:
    KIT
    DISPLACEMENT:
    249 CC
    TYPE:
    DUAL RING
    ENGINE TYPE:
    2-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    RIDING STYLE:
    OFF-ROAD
    $152.00
    Qty in Cart: 0
    Quantity:
    Price:
    $152.00
    Subtotal:
  • Wossner Yamaha YZ125 2005-2019 53.97mm Piston Kit 8160DC

    Wossner Yamaha YZ125 2005-2019 53.97mm Piston Kit 8160DC

    WOSSNER

    $122.00
    When you're pushing a YZ125 to its limits, piston durability and ring seal integrity directly impact throttle response, engine longevity, and race-day reliability. Wossner's 8160DC kit is engineered...
    09104855
    SKU:
    09104855
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    DISPLACEMENT:
    124 CC
    ENGINE TYPE:
    2-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON SIZE METRIC:
    53.97 MM
    RIDING STYLE:
    OFF-ROAD
    PISTON MATERIAL:
    FORGED
    UNITS:
    KIT
    TYPE:
    SINGLE RING
    BORE - OVERSIZE:
    +0,02 MM
    BORE - OVERSIZE METRIC:
    +0.02 MM
    BORE SIZE METRIC:
    54.02 MM
    MODEL:
    STANDARD SERIES
    PRODUCT NAME:
    PISTON KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $122.00
    Subtotal:
  • Wossner Piston Kit Kawasaki KX250 2002-2004 66.34mm 8088DA

    Wossner Piston Kit Kawasaki KX250 2002-2004 66.34mm 8088DA

    WOSSNER

    $152.00
    The Wossner 8088DA piston kit is engineered for KX250 riders who demand reliable power delivery and engine longevity. A complete OEM-quality replacement, this kit eliminates guesswork with matched...
    09104809
    SKU:
    09104809
    Availability:
    Ships Same Business Day
    Weight:
    0.70 LBS
    BORE SIZE METRIC:
    66.40 MM
    PISTON SIZE METRIC:
    66.34 MM
    DISPLACEMENT:
    249 CC
    ENGINE TYPE:
    2-STROKE
    PRODUCT NAME:
    PISTON KIT
    TYPE:
    DUAL RING
    BORE - OVERSIZE METRIC:
    STANDARD
    MODEL:
    STANDARD SERIES
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BORE - OVERSIZE:
    STANDARD
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    $152.00
    Qty in Cart: 0
    Quantity:
    Price:
    $152.00
    Subtotal:
  • Wossner Piston Kit Suzuki RM250 2003-2010 8086DC

    Wossner Piston Kit Suzuki RM250 2003-2010 8086DC

    WOSSNER

    $122.00
    The Wössner Piston Kit 8086DC is engineered to restore or enhance your RM250's performance with precision-manufactured internals that reduce friction and extend engine life. Built from 4032 T6 forged...
    09104808
    SKU:
    09104808
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    ENGINE TYPE:
    2-STROKE
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BORE - OVERSIZE METRIC:
    +0.02 MM
    PISTON SIZE METRIC:
    66.36 MM
    BORE SIZE METRIC:
    66.42 MM
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    BORE - OVERSIZE:
    +0,02 MM
    DISPLACEMENT:
    249 CC
    MODEL:
    STANDARD SERIES
    PRODUCT NAME:
    PISTON KIT
    TYPE:
    DUAL RING
    Qty in Cart: 0
    Quantity:
    Price:
    $122.00
    Subtotal:
  • Wossner Suzuki RM250 2003-2010 Piston Kit 8086DB

    Wossner Suzuki RM250 2003-2010 Piston Kit 8086DB

    WOSSNER

    $122.00
    The Wossner RM250 piston kit delivers the reliability and durability that 2-stroke racers demand, whether you're pushing hard on the track or maintaining peak performance in the dirt. Factory OEM...
    09104807
    SKU:
    09104807
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    ENGINE TYPE:
    2-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    RIDING STYLE:
    OFF-ROAD
    BORE - OVERSIZE:
    +0,01 MM
    BORE - OVERSIZE METRIC:
    +0.01 MM
    PISTON MATERIAL:
    FORGED
    UNITS:
    KIT
    BORE SIZE METRIC:
    66.41 MM
    DISPLACEMENT:
    249 CC
    PISTON SIZE METRIC:
    66.35 MM
    TYPE:
    DUAL RING
    MODEL:
    STANDARD SERIES
    PRODUCT NAME:
    PISTON KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $122.00
    Subtotal:
  • Wossner Top End Bearing for 1986-2006 Kawasaki KDX200 N1016

    Wossner Top End Bearing for 1986-2006 Kawasaki KDX200 N1016

    WOSSNER

    $18.50
    The top-end bearing in your KDX200 endures constant high-speed stress, and a worn bearing compromises power delivery and can lead to catastrophic engine failure. This Wossner replacement restores...
    09240453
    SKU:
    09240453
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    APPLICATION:
    CONNECTING ROD
    OUTSIDE DIAMETER METRIC:
    21 MM
    LENGTH METRIC:
    19.5 MM
    TYPE:
    TOP END
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    INSIDE DIAMETER METRIC:
    16 MM
    PRODUCT NAME:
    BEARING
    RIDING STYLE:
    STREET
    $18.50
    Qty in Cart: 0
    Quantity:
    Price:
    $18.50
    Subtotal:
  • Wossner Connecting Rod Suzuki RM250 1986-1995 P2027

    Wossner Connecting Rod Suzuki RM250 1986-1995 P2027

    WOSSNER

    $122.00
    A connecting rod rebuild is critical to engine longevity and reliability—especially in high-rev 2-stroke applications where tolerances are tight and demands are extreme. The Wössner P2027 is...
    09230412
    SKU:
    09230412
    Availability:
    Ships Same Business Day
    Weight:
    1.05 LBS
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    ENGINE TYPE:
    2-STROKE
    STYLE:
    STANDARD
    $122.00
    Qty in Cart: 0
    Quantity:
    Price:
    $122.00
    Subtotal:
  • Wossner Connecting Rod Yamaha YZ250 1999-2025 P2028

    Wossner Connecting Rod Yamaha YZ250 1999-2025 P2028

    WOSSNER

    $122.00
    The Wössner Connecting Rod for your YZ250 is engineered to handle the extreme demands of 2-stroke racing without compromise. Whether you're rebuilding after a season of hard use or upgrading to...
    09230413
    SKU:
    09230413
    Availability:
    Ships Same Business Day
    Weight:
    1.05 LBS
    UNITS:
    KIT
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    STYLE:
    STANDARD
    ENGINE TYPE:
    2-STROKE
    $122.00
    Qty in Cart: 0
    Quantity:
    Price:
    $122.00
    Subtotal:
  • Wossner Connecting Rod Yamaha YZ250 1990-1998 P2029

    Wossner Connecting Rod Yamaha YZ250 1990-1998 P2029

    WOSSNER

    $122.00
    If you're rebuilding a YZ250 engine, the crankshaft is your foundation—and a quality connecting rod is non-negotiable. Wössner's P2029 rod is forged from 8620 alloy and shot-peened for strength,...
    09230414
    SKU:
    09230414
    Availability:
    Ships Same Business Day
    Weight:
    1.15 LBS
    STYLE:
    STANDARD
    ENGINE TYPE:
    2-STROKE
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $122.00
    Subtotal:
  • Wossner Connecting Rod Kit for Suzuki LT-R450 2006-2009 P4011

    Wossner Connecting Rod Kit for Suzuki LT-R450 2006-2009 P4011

    WOSSNER

    $174.00
    If you're rebuilding the bottom end of your LT-R450, the Wössner Connecting Rod Kit P4011 is the precision component that determines whether your engine will deliver consistent power or fail...
    09230437
    SKU:
    09230437
    Availability:
    Ships Same Business Day
    Weight:
    1.70 LBS
    STYLE:
    STANDARD
    UNITS:
    KIT
    ENGINE TYPE:
    4-STROKE
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    ATV
    $174.00
    Qty in Cart: 0
    Quantity:
    Price:
    $174.00
    Subtotal:
  • Wossner Connecting Rod Yamaha YFM700 Raptor 2006-2025 P4031

    Wossner Connecting Rod Yamaha YFM700 Raptor 2006-2025 P4031

    WOSSNER

    $204.00
    Whether you're rebuilding a high-mileage engine or pushing your Raptor to its limits, a worn or damaged connecting rod compromises both power delivery and engine longevity. The Wossner P4031 is...
    09230445
    SKU:
    09230445
    Availability:
    Ships Same Business Day
    Weight:
    2.50 LBS
    ENGINE TYPE:
    4-STROKE
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    ATV
    UNITS:
    KIT
    RIDING STYLE:
    UTV
    STYLE:
    STANDARD
    $204.00
    Qty in Cart: 0
    Quantity:
    Price:
    $204.00
    Subtotal:
  • Wossner Connecting Rod Suzuki RM125 1997-1998 P2014

    Wossner Connecting Rod Suzuki RM125 1997-1998 P2014

    WOSSNER

    $122.00
    If you're rebuilding the bottom end on your RM125, a quality connecting rod is non-negotiable—it's the link between your piston and crankshaft that bears the brunt of combustion forces and inertial...
    09230456
    SKU:
    09230456
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    STYLE:
    STANDARD
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    ENGINE TYPE:
    2-STROKE
    PRODUCT NAME:
    CONNECTING ROD KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $122.00
    Subtotal:
  • Wossner Connecting Rod Kit for Honda TRX450R 2006-2009 P4023

    Wossner Connecting Rod Kit for Honda TRX450R 2006-2009 P4023

    WOSSNER

    $174.00
    If you're rebuilding a TRX450R engine or pushing it to its limits, factory connecting rods become a liability. The Wossner P4023 kit delivers the strength and precision needed for high-rpm...
    09230457
    SKU:
    09230457
    Availability:
    Ships Same Business Day
    Weight:
    1.80 LBS
    STYLE:
    STANDARD
    UNITS:
    KIT
    ENGINE TYPE:
    4-STROKE
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    ATV
    $174.00
    Qty in Cart: 0
    Quantity:
    Price:
    $174.00
    Subtotal:
  • On Sale
    Wossner Piston Kit for Polaris RZR 570 2014-2021 8951D500

    Wossner Piston Kit for Polaris RZR 570 2014-2021 8951D500

    WOSSNER

    MSRP: $214.00
    Now: $137.00
    Was: $214.00
    The stock piston in your Polaris RZR 570 limits both reliability and sustained performance in demanding riding conditions. This Wossner piston kit replaces worn or damaged internals with...
    09106115
    SKU:
    09106115
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    MODEL:
    STANDARD SERIES
    PISTON SIZE METRIC:
    103.92 MM
    PRODUCT NAME:
    PISTON KIT
    BORE SIZE METRIC:
    104.00 MM
    COMPRESSION RATIO IMPERIAL:
    11.2:1
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    BORE - OVERSIZE:
    +5,00 MM
    BORE - OVERSIZE METRIC:
    +5.00 MM
    RIDING STYLE:
    UTV
    RIDING STYLE:
    ATV
    UNITS:
    KIT
    MSRP: $214.00
    Now: $137.00
    Was: $214.00
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $214.00
    Now: $137.00
    Was: $214.00
    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...
    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...
    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:
  • Wossner Piston Kit Husqvarna TC 510 2006-2009 96.96mm 8652DB

    Wossner Piston Kit Husqvarna TC 510 2006-2009 96.96mm 8652DB

    WOSSNER

    $234.00
    A worn or damaged piston directly kills engine performance and reliability—and replacing it with a substandard part only delays the problem. The Wossner Piston Kit for your Husqvarna TC 510 is...
    09106119
    SKU:
    09106119
    Availability:
    Ships Same Business Day
    Weight:
    1.01 LBS
    BORE - OVERSIZE:
    +0,01 MM
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    PISTON SIZE METRIC:
    96.96 MM
    BORE SIZE METRIC:
    97.01 MM
    MODEL:
    PRO SERIES
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    COMPRESSION RATIO IMPERIAL:
    13.0:1
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BORE - OVERSIZE METRIC:
    +0.01 MM
    Qty in Cart: 0
    Quantity:
    Price:
    $234.00
    Subtotal:
  • Wossner Piston Kit for Polaris Outlaw 500 2006-2007 8692DA

    Wossner Piston Kit for Polaris Outlaw 500 2006-2007 8692DA

    WOSSNER

    $194.00
    The Wossner Piston Kit for your Polaris Outlaw 500 delivers the durability and precision engineering you need to keep your 2-stroke running at peak performance. Built from premium 4032 T6 forged...
    09106120
    SKU:
    09106120
    Availability:
    Ships Same Business Day
    Weight:
    1.11 LBS
    PISTON SIZE METRIC:
    99.14 MM
    PRODUCT NAME:
    PISTON KIT
    BORE - OVERSIZE METRIC:
    STANDARD
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    BORE - OVERSIZE:
    STANDARD
    BORE SIZE METRIC:
    99.20 MM
    COMPRESSION RATIO IMPERIAL:
    12.5:1
    MODEL:
    PRO SERIES
    RIDING STYLE:
    ATV
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $194.00
    Subtotal:
  • Wossner Piston Kit Yamaha YZ450F 2010-2013 12.5:1 CR 8776DA

    Wossner Piston Kit Yamaha YZ450F 2010-2013 12.5:1 CR 8776DA

    WOSSNER

    $204.00
    The Wossner Piston Kit delivers the durability and precision your YZ450F demands, whether you're pushing hard at the track or logging hours in the dirt. Factory pistons wear, lose compression, and...
    09106121
    SKU:
    09106121
    Availability:
    Ships Same Business Day
    Weight:
    0.91 LBS
    UNITS:
    KIT
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    COMPRESSION RATIO IMPERIAL:
    12.5:1
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PRODUCT NAME:
    PISTON KIT
    MODEL:
    STANDARD SERIES
    RIDING STYLE:
    OFF-ROAD
    BORE SIZE METRIC:
    97.00 MM
    PISTON MATERIAL:
    FORGED
    PISTON SIZE METRIC:
    96.96 MM
    Qty in Cart: 0
    Quantity:
    Price:
    $204.00
    Subtotal:
  • Wossner Piston Kit Yamaha YZ450F 2010-2013 12.5:1 8776DB

    Wossner Piston Kit Yamaha YZ450F 2010-2013 12.5:1 8776DB

    WOSSNER

    $204.00
    Engine wear and heat stress are the primary culprits behind power loss and reliability issues in high-performance 4-strokes. The Wossner Piston Kit for your YZ450F addresses both with...
    09106122
    SKU:
    09106122
    Availability:
    Ships Same Business Day
    Weight:
    0.94 LBS
    BORE - OVERSIZE METRIC:
    +0.01 MM
    MODEL:
    STANDARD SERIES
    PISTON SIZE METRIC:
    96.97 MM
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BORE SIZE METRIC:
    97.01 MM
    COMPRESSION RATIO IMPERIAL:
    12.5:1
    ENGINE TYPE:
    4-STROKE
    PRODUCT NAME:
    PISTON KIT
    BORE - OVERSIZE:
    +0,01 MM
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    $204.00
    Qty in Cart: 0
    Quantity:
    Price:
    $204.00
    Subtotal:
  • Wossner Piston Kit Yamaha YFZ450R 2009-2025 12.5:1 CR 8784DA

    Wossner Piston Kit Yamaha YFZ450R 2009-2025 12.5:1 CR 8784DA

    WOSSNER

    $204.00
    When you're pushing the YFZ450R to its limits, factory pistons become your weak link. The Wossner 8784DA is purpose-built to handle the demands of high-RPM riding while delivering measurable gains in...
    09106123
    SKU:
    09106123
    Availability:
    Ships Same Business Day
    Weight:
    0.96 LBS
    BORE SIZE METRIC:
    95.00 MM
    PISTON SIZE METRIC:
    94.95 MM
    BORE - OVERSIZE:
    STANDARD
    COMPRESSION RATIO IMPERIAL:
    12.3:1
    COMPRESSION RATIO IMPERIAL:
    12.5:1
    PRODUCT NAME:
    PISTON KIT
    UNITS:
    KIT
    BORE - OVERSIZE METRIC:
    STANDARD
    COMPRESSION RATIO IMPERIAL:
    12.0:1
    COMPRESSION RATIO IMPERIAL:
    12.6:1
    ENGINE TYPE:
    4-STROKE
    MODEL:
    PRO SERIES
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    RIDING STYLE:
    ATV
    Qty in Cart: 0
    Quantity:
    Price:
    $204.00
    Subtotal:
  • Wossner Piston Kit KTM 450 SX-F 2013-2022 8868DA

    Wossner Piston Kit KTM 450 SX-F 2013-2022 8868DA

    WOSSNER

    $214.00
    Stock pistons are the weak link in high-performance 450 applications—especially when you're pushing near redline on a regular basis. The Wössner 8868DA is engineered to withstand the extreme...
    09106124
    SKU:
    09106124
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    BORE SIZE METRIC:
    95.00 MM
    PISTON SIZE METRIC:
    94.95 MM
    PISTON MATERIAL:
    FORGED
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    PISTON KIT
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    COMPRESSION RATIO IMPERIAL:
    12.6:1
    ENGINE TYPE:
    4-STROKE
    MODEL:
    PREMIUM SERIES
    PISTON MATERIAL:
    ALUMINUM ALLOY
    Qty in Cart: 0
    Quantity:
    Price:
    $214.00
    Subtotal:
  • Wossner Piston Kit KTM 450 SX-F 2013-2023 94.95mm 8873DA

    Wossner Piston Kit KTM 450 SX-F 2013-2023 94.95mm 8873DA

    WOSSNER

    $244.00
    A high-performance piston kit is the foundation of reliable top-end durability and consistent power delivery in your KTM 450 SX-F. The Wossner 8873DA combines German engineering with proven materials...
    09106125
    SKU:
    09106125
    Availability:
    Ships Same Business Day
    Weight:
    0.85 LBS
    BORE SIZE METRIC:
    95.00 MM
    PISTON SIZE METRIC:
    94.95 MM
    PRODUCT NAME:
    PISTON KIT
    COMPRESSION RATIO IMPERIAL:
    13.6:1
    PISTON MATERIAL:
    FORGED
    UNITS:
    KIT
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    ENGINE TYPE:
    4-STROKE
    MODEL:
    PRO SERIES
    PISTON MATERIAL:
    ALUMINUM ALLOY
    RIDING STYLE:
    OFF-ROAD
    $244.00
    Qty in Cart: 0
    Quantity:
    Price:
    $244.00
    Subtotal:
  • Wossner Piston Kit Husqvarna FC250 2016-2022 8923DA

    Wossner Piston Kit Husqvarna FC250 2016-2022 8923DA

    WOSSNER

    $224.00
    When you're pushing your FC250 to the limit, a stock piston won't cut it. The Wössner Piston Kit delivers the durability and precision your engine demands, combining German engineering with...
    09106134
    SKU:
    09106134
    Availability:
    Ships Same Business Day
    Weight:
    0.23 LBS
    BORE SIZE METRIC:
    78.00 MM
    COMPRESSION RATIO IMPERIAL:
    14.4:1
    PISTON SIZE METRIC:
    77.96 MM
    PRODUCT NAME:
    PISTON KIT
    BORE - OVERSIZE METRIC:
    STANDARD
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    BORE - OVERSIZE:
    STANDARD
    MODEL:
    PREMIUM SERIES
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    $224.00
    Qty in Cart: 0
    Quantity:
    Price:
    $224.00
    Subtotal:
  • Wossner Piston Kit KTM 350 EXC-F 2017-2019 Husqvarna FE350 2017-2019 12.5:1 CR 8941DB

    Wossner Piston Kit KTM 350 EXC-F 2017-2019 Husqvarna FE350 2017-2019 12.5:1 CR 8941DB

    WOSSNER

    $214.00
    When your KTM 350 EXC-F or Husqvarna FE350 is pushing hard on the track or trail, piston reliability becomes non-negotiable. This Wossner piston kit delivers the durability and precision engineering...
    09106136
    SKU:
    09106136
    Availability:
    Ships Same Business Day
    Weight:
    0.65 LBS
    BORE - OVERSIZE METRIC:
    +0.01 MM
    BORE SIZE METRIC:
    88.01 MM
    PISTON SIZE METRIC:
    87.96 MM
    PRODUCT NAME:
    PISTON KIT
    BORE - OVERSIZE:
    +0,01 MM
    PISTON MATERIAL:
    FORGED
    UNITS:
    KIT
    RIDING STYLE:
    STREET
    COMPRESSION RATIO IMPERIAL:
    12.5:1
    ENGINE TYPE:
    4-STROKE
    MODEL:
    PRO SERIES
    PISTON MATERIAL:
    ALUMINUM ALLOY
    $214.00
    Qty in Cart: 0
    Quantity:
    Price:
    $214.00
    Subtotal:
  • Wossner Piston Kit Yamaha YZ250F 2019-2025 8957DA

    Wossner Piston Kit Yamaha YZ250F 2019-2025 8957DA

    WOSSNER

    $184.00
    The stock piston in your YZ250F won't cut it if you're pushing hard on the track or trail. Wossner pistons are engineered for high-load durability and reduced friction, giving you reliable power...
    09106138
    SKU:
    09106138
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    BORE SIZE METRIC:
    77.00 MM
    COMPRESSION RATIO IMPERIAL:
    14.0:1
    MODEL:
    PREMIUM SERIES
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BORE - OVERSIZE:
    STANDARD
    PRODUCT NAME:
    PISTON KIT
    BORE - OVERSIZE METRIC:
    STANDARD
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    PISTON SIZE METRIC:
    76.96 MM
    $184.00
    Qty in Cart: 0
    Quantity:
    Price:
    $184.00
    Subtotal:
  • Wossner Piston Kit Yamaha YZ250F 2019-2025 8957DB

    Wossner Piston Kit Yamaha YZ250F 2019-2025 8957DB

    WOSSNER

    $184.00
    The Wossner Piston Kit delivers the durability and precision needed to keep your YZ250F running strong through aggressive riding and repeated heat cycles. Built with German engineering and advanced...
    09106139
    SKU:
    09106139
    Availability:
    Ships Same Business Day
    Weight:
    0.51 LBS
    BORE - OVERSIZE METRIC:
    +0.01 MM
    BORE SIZE METRIC:
    77.01 MM
    ENGINE TYPE:
    4-STROKE
    PRODUCT NAME:
    PISTON KIT
    COMPRESSION RATIO IMPERIAL:
    14.0:1
    MODEL:
    PREMIUM SERIES
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BORE - OVERSIZE:
    +0,01 MM
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    PISTON SIZE METRIC:
    76.97 MM
    $184.00
    Qty in Cart: 0
    Quantity:
    Price:
    $184.00
    Subtotal:
  • Wossner Piston Kit Yamaha YZ450F 2020-2022 8965DA

    Wossner Piston Kit Yamaha YZ450F 2020-2022 8965DA

    WOSSNER

    $224.00
    If you're running hard on the track or pushing your YZ450F to its limits in competition, piston durability and throttle response are non-negotiable. The Wossner Piston Kit delivers the precision...
    09106142
    SKU:
    09106142
    Availability:
    Ships Same Business Day
    Weight:
    0.71 LBS
    BORE - OVERSIZE:
    STANDARD
    MODEL:
    PREMIUM SERIES
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BORE - OVERSIZE METRIC:
    STANDARD
    BORE SIZE METRIC:
    97.00 MM
    COMPRESSION RATIO IMPERIAL:
    13.2:1
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    PISTON SIZE METRIC:
    96.96 MM
    PRODUCT NAME:
    PISTON KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $224.00
    Subtotal:
  • Wossner Piston Kit for Polaris Ranger 700 2007 K8825DA-2

    Wossner Piston Kit for Polaris Ranger 700 2007 K8825DA-2

    WOSSNER

    $428.00
    Your Polaris Ranger 700 demands a piston that can handle sustained high-load operation without compromising reliability. The Wossner K8825DA-2 delivers the precision engineering and material quality...
    09106146
    SKU:
    09106146
    Availability:
    Ships Same Business Day
    Weight:
    1.03 LBS
    BORE - OVERSIZE METRIC:
    STANDARD
    BORE SIZE METRIC:
    80.00 MM
    COMPRESSION RATIO IMPERIAL:
    9.8:1
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    RIDING STYLE:
    ATV
    MODEL:
    STANDARD SERIES
    UNITS:
    KIT
    BORE - OVERSIZE:
    STANDARD
    PISTON SIZE METRIC:
    79.93 MM
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    UTV
    $428.00
    Qty in Cart: 0
    Quantity:
    Price:
    $428.00
    Subtotal:
  • Wossner Piston Kit for Polaris RZR 800 2008-2014 K8877DA-2

    Wossner Piston Kit for Polaris RZR 800 2008-2014 K8877DA-2

    WOSSNER

    $428.00
    Your Polaris RZR 800 demands a piston kit engineered for the demands of high-RPM performance and extended service intervals. The Wossner K8877DA-2 delivers the durability and thermal stability...
    09106147
    SKU:
    09106147
    Availability:
    Ships Same Business Day
    Weight:
    0.85 LBS
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    RIDING STYLE:
    ATV
    BORE SIZE METRIC:
    80.00 MM
    PISTON SIZE METRIC:
    79.93 MM
    PRODUCT NAME:
    PISTON KIT
    COMPRESSION RATIO IMPERIAL:
    10.0:1
    UNITS:
    KIT
    MODEL:
    STANDARD SERIES
    RIDING STYLE:
    UTV
    $428.00
    Qty in Cart: 0
    Quantity:
    Price:
    $428.00
    Subtotal:
  • Wossner Piston Kit Yamaha YZ450F 2003-2004 8562DA

    Wossner Piston Kit Yamaha YZ450F 2003-2004 8562DA

    WOSSNER

    $194.00
    If you're running a YZ450F hard—whether on the track or in practice—piston failure isn't an option. The Wossner 8562DA gives you the durability and reliability needed to push your bike to its limits...
    09106148
    SKU:
    09106148
    Availability:
    Ships Same Business Day
    Weight:
    0.71 LBS
    PISTON MATERIAL:
    FORGED
    PISTON SIZE METRIC:
    94.96 MM
    BORE SIZE METRIC:
    95.00 MM
    MODEL:
    STANDARD SERIES
    RIDING STYLE:
    OFF-ROAD
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    COMPRESSION RATIO IMPERIAL:
    12.5:1
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PRODUCT NAME:
    PISTON KIT
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $194.00
    Subtotal:
  • Wossner Piston Kit Suzuki RM-Z450 2013-2025 12.5:1 CR 8886DB

    Wossner Piston Kit Suzuki RM-Z450 2013-2025 12.5:1 CR 8886DB

    WOSSNER

    $204.00
    When you're pushing your RM-Z450 to the limit, factory pistons become your weakest link. The Wossner 12.5:1 Compression Ratio Piston Kit delivers the durability and precision engineering needed to...
    09106152
    SKU:
    09106152
    Availability:
    Ships Same Business Day
    Weight:
    0.91 LBS
    BORE - OVERSIZE:
    +0,01 MM
    BORE SIZE METRIC:
    95.51 MM
    COMPRESSION RATIO IMPERIAL:
    12.0:1
    PRODUCT NAME:
    PISTON KIT
    BORE - OVERSIZE METRIC:
    +0.01 MM
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    PISTON SIZE METRIC:
    95.47 MM
    MODEL:
    STANDARD SERIES
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    $204.00
    Qty in Cart: 0
    Quantity:
    Price:
    $204.00
    Subtotal:
  • Wossner Piston Kit Honda CRF450R 2009-2012 13.4:1 8768DA

    Wossner Piston Kit Honda CRF450R 2009-2012 13.4:1 8768DA

    WOSSNER

    $214.00
    A worn or stock piston limits your CRF450R's ability to maintain consistent power under load, leading to increased blow-by and reduced efficiency. The Wössner 8768DA replaces those limitations with a...
    09106153
    SKU:
    09106153
    Availability:
    Ships Same Business Day
    Weight:
    0.86 LBS
    BORE SIZE METRIC:
    96.00 MM
    PRODUCT NAME:
    PISTON KIT
    BORE - OVERSIZE METRIC:
    STANDARD
    COMPRESSION RATIO IMPERIAL:
    13.4:1
    ENGINE TYPE:
    4-STROKE
    MODEL:
    PRO SERIES
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    PISTON SIZE METRIC:
    95.96 MM
    BORE - OVERSIZE:
    STANDARD
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $214.00
    Subtotal:
  • Wossner Piston Kit Honda CRF 450 R 2013-2014 8880DA

    Wossner Piston Kit Honda CRF 450 R 2013-2014 8880DA

    WOSSNER

    $204.00
    The stock piston in your Honda CRF 450 R can become a limitation when you're pushing harder on the track or trail. Wossner's purpose-built piston kit delivers the strength and reliability needed for...
    09106154
    SKU:
    09106154
    Availability:
    Ships Same Business Day
    Weight:
    0.71 LBS
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    PISTON SIZE METRIC:
    95.96 MM
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    BORE SIZE METRIC:
    96.00 MM
    COMPRESSION RATIO IMPERIAL:
    12.5:1
    ENGINE TYPE:
    4-STROKE
    PRODUCT NAME:
    PISTON KIT
    MODEL:
    STANDARD SERIES
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $204.00
    Subtotal:
  • Wossner Piston Kit Honda CRF450R 2017-2025 95.95mm 13.5:1 8936DA

    Wossner Piston Kit Honda CRF450R 2017-2025 95.95mm 13.5:1 8936DA

    WOSSNER

    $204.00
    The Wossner Piston Kit is engineered to restore or exceed your CRF450R's power output while delivering the durability required for sustained high-RPM operation. A complete piston replacement...
    09106157
    SKU:
    09106157
    Availability:
    Ships Same Business Day
    Weight:
    0.85 LBS
    BORE - OVERSIZE:
    STANDARD
    BORE SIZE METRIC:
    96.00 MM
    PRODUCT NAME:
    PISTON KIT
    COMPRESSION RATIO IMPERIAL:
    13.5:1
    MODEL:
    PREMIUM SERIES
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BORE - OVERSIZE METRIC:
    STANDARD
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    PISTON SIZE METRIC:
    95.95 MM
    $204.00
    Qty in Cart: 0
    Quantity:
    Price:
    $204.00
    Subtotal:
  • On Sale
    Wossner Piston Ring Set for 2012-2013 Polaris Ranger 500 Crew 925XSY-3

    Wossner Piston Ring Set for 2012-2013 Polaris Ranger 500 Crew 925XSY-3

    WOSSNER

    MSRP: $38.95
    Now: $27.00
    Was: $38.95
    If you're rebuilding a Polaris Ranger 500 Crew engine or replacing worn rings, the Wossner Piston Ring Set is engineered to restore compression, reduce blow-by, and stabilize fuel consumption. These...
    09120854
    SKU:
    09120854
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    RIDING STYLE:
    ATV
    BORE SIZE METRIC:
    92.46 MM
    PRODUCT NAME:
    PISTON RING SET
    UNITS:
    EACH
    MSRP: $38.95
    Now: $27.00
    Was: $38.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $38.95
    Now: $27.00
    Was: $38.95
    Subtotal:
  • Wossner Piston Ring Set for 2011-2013 Polaris Ranger RZR XP 900 GNH93.00

    Wossner Piston Ring Set for 2011-2013 Polaris Ranger RZR XP 900 GNH93.00

    WOSSNER

    $51.50
    If you're running a 2011-2013 Polaris Ranger RZR XP 900 and want to restore or upgrade your engine's compression and sealing integrity, a quality piston ring set is non-negotiable. Wossner's GNH93.00...
    09120856
    SKU:
    09120856
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    UTV
    PRODUCT NAME:
    PISTON RING SET
    UNITS:
    EACH
    BORE SIZE METRIC:
    93.00 MM
    $51.50
    Qty in Cart: 0
    Quantity:
    Price:
    $51.50
    Subtotal:
  • Wossner Piston Ring Set KTM 450 EXC-F 2012-2025 RIK95.00

    Wossner Piston Ring Set KTM 450 EXC-F 2012-2025 RIK95.00

    WOSSNER

    $48.50
    Piston ring degradation directly impacts combustion efficiency, compression loss, and overall engine reliability—especially in high-stress racing environments. The Wossner Piston Ring Set RIK95.00 is...
    09120860
    SKU:
    09120860
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PRODUCT NAME:
    PISTON RING SET
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    BORE SIZE METRIC:
    95.00 MM
    RIDING STYLE:
    STREET
    $48.50
    Qty in Cart: 0
    Quantity:
    Price:
    $48.50
    Subtotal:
  • Wossner Piston Ring Set Honda CRF450R 2005-2020 Kawasaki KX450F 2006-2018 RIK96.00E

    Wossner Piston Ring Set Honda CRF450R 2005-2020 Kawasaki KX450F 2006-2018 RIK96.00E

    WOSSNER

    $48.50
    When you're rebuilding a high-revving four-stroke dirt bike engine, piston ring quality directly impacts compression, power delivery, and engine longevity. The Wössner Piston Ring Set RIK96.00E is...
    09120861
    SKU:
    09120861
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    PRODUCT NAME:
    PISTON RING SET
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    PISTON SIZE METRIC:
    95.96 MM
    RIDING STYLE:
    OFF-ROAD
    BORE SIZE METRIC:
    96.00 MM
    PISTON SIZE METRIC:
    95.97 MM
    $48.50
    Qty in Cart: 0
    Quantity:
    Price:
    $48.50
    Subtotal:
  • Total: items /

Adding your products to cart

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

SECURE & SAFE PAYMENT

EASY RETURNS

FAST DELIVERY

AUTHORIZED DEALER