- 2-stoke pistons include piston, rings, pin and clips
- Piston made with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance
- 4032 T6 Forged Aluminum Alloy
- German Engineered from Wossner?s own designs and forgings
- Use FEA (computer simulation) to fine tune every design
- T6 Heat Treated for heat resistance & durability for high-load use
Ski-Doo -- Expedition Sport 550F w/154" Track -- (2006, 2007, 2005, 2008, 2014, 2019, 2009, 2015, 2016, 2013, 2010, 2018, 2011, 2012, 2017); Ski-Doo -- Expedition Sport 550F w/136" Track -- (2007, 2008, 2005, 2006); Ski-Doo -- MX-Z 550F w/121" Track -- (2003, 2004, 2005, 2006, 2007, 2008, 2009); Ski-Doo -- MX-ZX 550F w/121" Track -- (2006, 2007, 2003, 2004, 2008, 2005, 2009); Ski-Doo -- Legend 550F GT -- (2003, 2004, 2006, 2005); Ski-Doo -- Skandic 550F SWT -- (2007, 2012, 2004, 2011, 2009, 2010, 2005, 2014, 2006, 2013, 2008); Ski-Doo -- Skandic 550F SUV -- (2007, 2013, 2008, 2005, 2006, 2009, 2012, 2004, 2010, 2011); Ski-Doo -- GTX 550F w/136" Track -- (2008, 2009, 2005, 2007, 2006, 2010); Ski-Doo -- Tundra 550F LT w/154" Track -- (2012, 2013, 2014, 2017, 2019, 2015, 2016, 2018); Ski-Doo -- Tundra 550F -- (2013, 2011, 2014, 2012, 2018, 2010); Ski-Doo -- Grand Touring 550F -- (2010, 2012, 2011, 2013); Ski-Doo -- MX-Z 550F Sport w/120" Track -- (2012, 2014, 2011, 2013); Ski-Doo -- GSX 550F w/121" Track -- (2006, 2008, 2010, 2005, 2007, 2009); Ski-Doo -- Freestyle 550F Park w/121" Track -- (2008, 2007); Ski-Doo -- Freestyle 550F Backcountry -- (2008, 2007); Ski-Doo -- Tundra 550F Sport w/137" Track -- (2014, 2017, 2013, 2019, 2015, 2012, 2018, 2016); Ski-Doo -- Grand Touring 550F Sport w/137" Track -- (2010, 2013, 2014, 2015, 2011, 2012); Ski-Doo -- Legend 550F -- (2004, 2005, 2006, 2003); Ski-Doo -- Freestyle 550F Session -- (2007); Lynx -- Rave 550 -- (2008, 2010, 2012, 2007, 2009, 2011); Lynx -- ST 550 -- (2004, 2006, 2007, 2005); Lynx -- 6900 -- (2005, 2006, 2004); Lynx -- Yeti 550 -- (2009, 2008, 2011, 2010); Lynx -- Xtrim 550 -- (2008, 2011, 2012, 2009, 2010)