Wossner Piston Kit - 94.98 Mm - Gas Gas | Yamaha 8630Dc

• Enhanced piston pin oiling slots, radial boss machining, and annular grooves for improved wrist pin lubrication • Lightweight piston with a tight piston wall clearance for a quieter running engine • Skirt coated for reduced friction and improved break in performance • Ring land treatment for improved ring seal and oil control • Double bridged forging design where noted • Kit includes piston, rings, wrist pin and pin locks - Gas Gas EC 450F (2014, 2015, 2013); Yamaha YZ 450 F (2009, 2007, 2008, 2006)