Wossner
Wossner is a premium manufacturer of forged pistons, piston rings, crankshafts, connecting rods and engine rebuild components designed for motorcycles, ATVs, UTVs and snowmobiles. Known for precision German engineering, the brand delivers high-compression performance, durability and racing-grade reliability. Wossner components are widely used in engine rebuilds, performance upgrades and OEM replacement applications. Ideal for riders and builders seeking maximum engine efficiency and long-term strength.
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Wossner - 740XAS-3 - Piston Ring Set - 74.00 mm
Wossner
$38.50Wossner - 09120911 - Piston Ring Set - 74.00 mmFeaturesSpecsUnitsSetBore Size Metric74.00 mmProduct NamePiston Ring SetRiding StyleSnowEngine Type4-StrokeFitment2003-2005YamahaRX10...$38.50 -
Wossner - RST7000 - Piston Ring - 70.00 mm
Wossner
$18.50Wossner - 09120903 - Piston Ring - 70.00 mmFeaturesSpecsEngine Type2-StrokeUnitsEachRiding StyleSnowBore Size Metric70.00 mmProduct NamePiston RingFitment1998-2000Ski-DooMX-Z 500 Trail2001Ski-DooMX Z...$18.50 -
Wossner - RST6950 - Piston Ring - 69.50 mm
Wossner
$18.50Wossner - 09120902 - Piston Ring - 69.50 mmFeaturesSpecsBore Size Metric69.50 mmRiding StyleSnowUnitsEachEngine Type2-StrokeProduct NamePiston RingFitment1998-2001Ski-DooMX Z 5002001Ski-DooMX Z 500...$18.50 -
Wossner - RST8400 - Piston Ring - 84.00 mm
Wossner
$18.50Wossner - 09120899 - Piston Ring - 84.00 mmFeaturesSpecsEngine Type2-StrokeUnitsEachRiding StyleSnowProduct NamePiston RingBore Size Metric84.00 mmFitment2005-2006Polaris900...$18.50 -
Wossner - RST8550 - Piston Ring - 85.50 mm
Wossner
$18.50Wossner - 09120896 - Piston Ring - 85.50 mmFeaturesSpecsRiding StyleSnowEngine Type2-StrokeProduct NamePiston RingBore Size Metric85.50 mmUnitsEachFitment2004-2005Polaris800...$18.50 -
Wossner - 750XAS-3 - Piston Ring Set - 75.00 mm
Wossner
$38.50Wossner - 09120912 - Piston Ring Set - 75.00 mmFeaturesSpecsBore Size Metric75.00 mmProduct NamePiston Ring SetEngine Type4-StrokeRiding StyleSnowUnitsSetFitment2003-2005YamahaRX10...$38.50 -
Wossner - RST8300 - Piston Ring - 83.00 mm
Wossner
$18.50Wossner - 09120898 - Piston Ring - 83.00 mmFeaturesSpecsRiding StyleSnowBore Size Metric83.00 mmEngine Type2-StrokeUnitsEachProduct NamePiston RingFitment2001-2007Ski-DooSummit 8002005-2006Polaris900...$18.50 -
Wossner - 770XAS-3 - Piston Ring Set - 77.00 mm
Wossner
$37.95Wossner - 09120907 - Piston Ring Set - 77.00 mmFeaturesSpecsRiding StyleSnowProduct NamePiston Ring SetUnitsSetBore Size Metric77.00 mmEngine Type4-StrokeFitment2008-2017YamahaPZ50RTX Phazer...$37.95 -
Wossner - K7047D050-2 - Piston Kit - 76.37 mm - Ski Doo | Lynx
Wossner
$304.00Wossner - 09106334 - Piston Kit - 76.37 mm - Ski Doo | LynxFeaturesKit includes piston, rings, wrist pin and pin locksSpecsPiston MaterialForgedPiston Size Metric76.37 mmProduct NamePiston KitBore...$304.00 -
Wossner - RST7975 - Piston Ring - 79.75 mm
Wossner
$18.50Wossner - 09120876 - Piston Ring - 79.75 mmFeaturesSpecsUnitsEachRiding StyleSnowEngine Type2-StrokeBore Size Metric79.75 mmProduct NamePiston RingFitment2003-2006Arctic CatSabercat 700$18.50 -
Wossner - K7058D050-2 - Piston Kit - 73.38 mm - Yamaha
Wossner
$264.00Wossner - 09106356 - Piston Kit - 73.38 mm - YamahaFeaturesKit includes piston, rings, wrist pin and pin locksSpecsStroke Length Metric64.00 mmBore Size Metric73.50 mmEngine Type2-StrokePiston Size...$264.00 -
Wossner - K7509DA-3 - Piston Kit - 73.94 mm - Ski Doo
Wossner
$451.95Wossner - 09106349 - Piston Kit - 73.94 mm - Ski DooFeaturesLightweight piston with a tight piston wall clearance for a quieter running engineSkirt coated for reduced friction and improved break in...$451.95 -
Wossner - K7046D050-2 - Piston Kit - 76.37 mm - Ski Doo | Lynx
Wossner
$280.95Wossner - 09106332 - Piston Kit - 76.37 mm - Ski Doo | LynxFeaturesKit includes piston, rings, wrist pin and pin locksSpecsBore - Oversize+0,50 mmStroke Length Metric61.00 mmUnitsKitPiston Size...$280.95 -
Wossner - K7046DA-2 - Piston Kit - 75.87 mm - Ski Doo | Lynx
Wossner
$280.15Wossner - 09106331 - Piston Kit - 75.87 mm - Ski Doo | LynxFeaturesKit includes piston, rings, wrist pin and pin locksSpecsPiston MaterialForgedTypeDual RingStroke Length Metric61.00 mmUnitsKitBore -...$280.15 -
Wossner - RST7350 - Piston Ring - 7350 mm
Wossner
$18.50Wossner - 09120890 - Piston Ring - 7350 mmFeaturesSpecsBore Size Metric73.50 mmRiding StyleSnowEngine Type2-StrokeProduct NamePiston RingUnitsEachFitment2001-2006Polaris500...$18.50 -
Wossner - RST9030 - Piston Ring - 90.30 mm
Wossner
$18.50Wossner - 09120885 - Piston Ring - 90.30 mmFeaturesSpecsBore Size Metric90.30 mmUnitsEachRiding StyleSnowEngine Type2-StrokeProduct NamePiston RingFitment2007-2008Arctic CatM 1000 Sno Pro$18.50 -
Wossner - RST7650 - Piston Ring - 76.50 mm
Wossner
$18.50Wossner - 09120883 - Piston Ring - 76.50 mmFeaturesSpecsBore Size Metric76.50 mmRiding StyleSnowUnitsEachEngine Type2-StrokeProduct NamePiston RingFitment1993-1997Arctic CatThundercat 900$18.50 -
Wossner - RST7480 - Piston Ring - 74.80 mm
Wossner
$18.50Wossner - 09120908 - Piston Ring - 74.80 mmFeaturesSpecsEngine Type2-StrokeUnitsEachBore Size Metric74.80 mmRiding StyleSnowProduct NamePiston RingFitment1994-1996YamahaV-Max 600$18.50 -
Wossner - RST7250 - Piston Ring - 72.50 mm
Wossner
$18.50Wossner - 09120906 - Piston Ring - 72.50 mmFeaturesSpecsBore Size Metric72.50 mmProduct NamePiston RingRiding StyleSnowUnitsEachEngine Type2-StrokeFitment1984-1999YamahaPhazer1984-1989,...$18.50 -
Out of stock
Wossner - RSB6950 - Piston Ring - 69.50 mm
Wossner
$18.50Wossner - 09120904 - Piston Ring - 69.50 mmFeaturesSpecsBore Size Metric69.50 mmUnitsEachRiding StyleSnowEngine Type2-StrokeProduct NamePiston RingFitment2002-2003YamahaSXV700 SX...$18.50 -
Out of stock
Wossner - RST6900 - Piston Ring - 69.00 mm
Wossner
$18.50Wossner - 09120910 - Piston Ring - 69.00 mmFeaturesSpecsDisplacement60 ccBore Size Metric69.00 mmEngine Type2-StrokeProduct NamePiston RingUnitsEachDisplacement65 ccRiding...$18.50 -
Out of stock
Wossner - RST8750 - Piston Ring - 87.50 mm
Wossner
$18.50Wossner - 09120897 - Piston Ring - 87.50 mmFeaturesSpecsBore Size Metric87.50 mmProduct NamePiston RingEngine Type2-StrokeRiding StyleSnowUnitsEachFitment2008-2018PolarisRMK 8002019PolarisSwitchBack...$18.50 -
Wossner - RST7540 - Piston Ring - 75.40 mm
Wossner
$18.50Wossner - 09120871 - Piston Ring - 75.40 mmFeaturesSpecsRiding StyleSnowEngine Type2-StrokeProduct NamePiston RingUnitsEachBore Size Metric75.40 mmFitment1995-1998, 2000Arctic CatPowder Special...$18.50 -
Wossner - K7056D050-2 - Piston Kit - 78.38 mm - Ski Doo
Wossner
$304.00Wossner - 09106339 - Piston Kit - 78.38 mm - Ski DooFeaturesKit includes piston, rings, wrist pin and pin locksSpecsBore Size Metric78.50 mmEngine Type2-StrokeStroke Length Metric70.00 mmBore -...$304.00 -
Out of stock
Wossner - K7022D050-2 - Piston Kit - 82.36 mm - Ski Doo | Lynx
Wossner
$344.00Wossner - 09106343 - Piston Kit - 82.36 mm - Ski Doo | LynxFeaturesKit includes piston, rings, wrist pin and pin locksSpecsBore - Oversize Metric+0.50 mmBore Size Metric82.50 mmEngine...$344.00 -
Out of stock
Wossner - K7009DA-2 - Piston Kit - 79.56 mm - Arctic Cat
Wossner
$304.00Wossner - 09106292 - Piston Kit - 79.56 mm - Arctic CatFeaturesKit includes piston, rings, wrist pin and pin locksSpecsBore - OversizeStandardBore Size Metric79.70 mmProduct NamePiston KitPiston...$304.00 -
Wossner - K7006D050-3 - Piston Kit - 66.87 mm - Arctic Cat
Wossner
$396.00Wossner - 09106288 - Piston Kit - 66.87 mm - Arctic CatFeaturesKit includes piston, rings, wrist pin and pin locksSpecsPiston MaterialAluminum AlloyBore Size Metric67.00 mmEngine...$396.00 -
Wossner - RST7340 - Piston Ring - 73.40 mm
Wossner
$18.50Wossner - 09120870 - Piston Ring - 73.40 mmFeaturesSpecsProduct NamePiston RingUnitsEachRiding StyleSnowBore Size Metric73.40 mmEngine Type2-StrokeFitment1993-2005Arctic CatPantera 5501995-1996Arctic...$18.50 -
Out of stock
Wossner - K7004DA-2 - Piston Kit - 70.91 mm - Arctic Cat
Wossner
$284.00Wossner - 09106284 - Piston Kit - 70.91 mm - Arctic CatFeaturesKit includes piston, rings, wrist pin and pin locksSpecsPiston MaterialAluminum AlloyPiston Size Metric70.91 mmStroke Length Metric62.70...$284.00 -
Wossner - K7035DA-2 - Piston Kit - 70.87 mm - Arctic Cat
Wossner
$264.00Wossner - 09106282 - Piston Kit - 70.87 mm - Arctic CatFeaturesKit includes piston, rings, wrist pin and pin locksSpecsStroke Length Metric63.00 mmTypeDual RingBore Size Metric71.00 mmPiston Size...$264.00 -
Out of stock
Wossner - K7005DA-2 - Piston Kit - 73.28 mm - Arctic Cat
Wossner
$284.00Wossner - 09106285 - Piston Kit - 73.28 mm - Arctic CatFeaturesKit includes piston, rings, wrist pin and pin locksSpecsBore - Oversize MetricStandardEngine Type2-StrokePiston MaterialForgedRiding...$284.00 -
Out of stock
Wossner - K7002DA-2 - Piston Kit - 67.89 mm - Arctic Cat
Wossner
$284.00Wossner - 09106281 - Piston Kit - 67.89 mm - Arctic CatFeaturesKit includes piston, rings, wrist pin and pin locksSpecsPiston MaterialAluminum AlloyProduct NamePiston KitTypeDual RingBore - Oversize...$284.00 -
Wossner - RSB7000 - Piston Ring - 70.00 mm
Wossner
$18.50Wossner - 09120733 - Piston Ring - 70.00 mmFeaturesSpecsEngine Type2-StrokeBore Size Metric70.00 mmProduct NamePiston RingRiding StyleSnowUnitsEachFitment2002-2003YamahaSXV700 SX...$18.50 -
Wossner - K7511DA-3 - Piston Kit - 79.93 mm - Arctic Cat | Yamaha
Wossner
$522.00Wossner - 09106305 - Piston Kit - 79.93 mm - Arctic Cat | YamahaFeaturesLightweight piston with a tight piston wall clearance for a quieter running engineSkirt coated for reduced friction and...$522.00 -
Wossner - 8169DB - Piston Kit - 66.35 mm - Gas Gas | Husqvarna | KTM
Wossner
$152.00Wossner - 09104862 - Piston Kit - 66.35 mm - Gas Gas | Husqvarna | KTMFeaturesOptimized machining for lightness, as well as maintained strength in key areas such as crown and skirt wall cross...$152.00 -
Wossner - 8104DC - Piston Kit - 47.47 mm - Yamaha
Wossner
$112.00Wossner - 09104834 - Piston Kit - 47.47 mm - YamahaFeaturesOptimized machining for lightness, as well as maintained strength in key areas such as crown and skirt wall cross sectionForged from...$112.00 -
Out of stock
Wossner - 8635DC - Piston Kit - 76.98 mm - Kawasaki
Wossner
$184.00Wossner - 09104955 - Piston Kit - 76.98 mm - KawasakiFeaturesLightweight piston with a tight piston wall clearance for a quieter running engineSkirt coated for reduced friction and improved break in...$184.00 -
Wossner - 8707DB - Piston Kit - 94.96 mm - Husaberg | KTM
Wossner
$204.00Wossner - 09104970 - Piston Kit - 94.96 mm - Husaberg | KTMFeaturesLightweight piston with a tight piston wall clearance for a quieter running engineSkirt coated for reduced friction and improved...$204.00 -
Wossner - 8645DB - Piston Kit - 75.97 mm - Husaberg | KTM
Wossner
$204.00Wossner - 09104957 - Piston Kit - 75.97 mm - Husaberg | KTMFeaturesLightweight piston with a tight piston wall clearance for a quieter running engineSkirt coated for reduced friction and improved...$204.00 -
Out of stock
Wossner - 8645DC - Piston Kit - 75.98 mm - Husaberg | KTM
Wossner
$204.00Wossner - 09104958 - Piston Kit - 75.98 mm - Husaberg | KTMFeaturesLightweight piston with a tight piston wall clearance for a quieter running engineSkirt coated for reduced friction and improved...$204.00
Wossner High-Performance Engine Systems – Forged Pistons, Crankshafts & Motorcycle, ATV & Powersports Rebuild Components
Wossner is a globally recognized name in high-performance engine internals, specializing in precision-engineered components for two-stroke and four-stroke engines. The brand is widely associated with high-volume search terms such as forged motorcycle pistons, engine rebuild kits, performance piston rings and crankshaft assemblies, making it a trusted choice among professional engine builders and performance enthusiasts.
The product range includes forged piston kits, piston rings, crankshafts, connecting rods, top-end bearings and engine rebuild components designed for a wide range of applications including Honda, Yamaha, Kawasaki, Suzuki, KTM, Husqvarna, GasGas, Ski-Doo and Arctic Cat platforms. Each component is manufactured with tight tolerances to ensure optimal compression, reduced friction, improved throttle response and enhanced engine durability under extreme conditions. Wossner products are commonly used in engine rebuild kits, performance tuning builds and off-road racing applications.
Wossner continues to serve the global motorsports industry with solutions built for high RPM stability, thermal resistance and long-term reliability. Popular search intent includes motorcycle piston upgrade kit, forged ATV piston replacement, snowmobile engine rebuild parts, high compression piston kit and racing crankshaft assembly. Whether for competitive racing or performance restoration, Wossner delivers dependable engine components engineered for precision and power.