Wossner Piston Kit - 66.35 Mm - Yamaha 8217Da

• Pistons made are with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance • Optimized machining for lightness, as well as maintained strength in key areas such as crown and skirt wall cross section • Forged from aerospace grade aluminum alloy • Piston kits includes piston, rings, pin and clips - Yamaha YZ 250 (2008, 2021, 2001, 2009, 2012, 1999, 2000, 2010, 2013, 2017, 2019, 2020, 2003, 2006, 2016, 2024, 2007, 2023, 2014, 2004, 2015, 2018, 2002, 2005, 2011, 2022); Yamaha YZ 250 X (2023, 2018, 2016, 2021, 2020, 2024, 2017, 2019, 2022)