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 - Polaris Ranger 500 LE 4x4 (2005, 2006); Polaris Ranger 500 4x2 (2008, 2007, 2006); Polaris Ranger 500 LE 4x2 (2005, 2006); Polaris Scrambler 500 4x2 (2002, 2001); Polaris Scrambler 500 4x4 (2001, 2002, 1999, 2008, 2010, 1998, 2003, 1997, 2006, 2009, 2000, 2005, 2011, 2007, 2004, 2012); Polaris Sportsman 500 H.O. Deluxe EFI 4x4 (2007); Polaris Sportsman 500 H.O. DUSE 4x4 (2002, 2001); Polaris Sportsman 500 H.O. EFI 4x4 (2008, 2006, 2007, 2009); Polaris Sportsman 500 H.O. LE 4x4 (2010, 2008, 2012, 2007, 2005); Polaris Xplorer 500 (1997); Polaris Ranger 500 EFI 4x4 (2008, 2007, 2009, 2006); Polaris Sportsman 500 H.O. 4x4 (2003, 2005, 2006, 2008, 2010, 2011, 2004, 2013, 2002, 2001, 2009, 2012); Polaris Sportsman 500 H.O. Mossy Oak Camo 4x4 (2005, 2004, 2003); Polaris Ranger 500 4x4 (2007, 2004, 2006, 2005); Polaris Ranger 500 50th Anniversary Edition 4x4 (2004); Polaris Ranger 500 6x6 (2005, 2004); Polaris Ranger 500 LE 6x6 (2005); Polaris Sportsman 500 (2000, 1996, 1998, 1997, 1999); Polaris Sportsman 500 H.O. 50th Anniversary Edition 4x4 (2004); Polaris Sportsman 500 H.O. RSE 4x4 (2002, 2001); Polaris ATP 500 H.O. 4x4 (2005); Polaris Sportsman 500 H.O. Browning Hunter Edition EFI 4x4 (2006); Polaris Sportsman 500 H.O. Richard Petty Special Ed. 4x4 (2003); Polaris Ranger 500 (Mid-Size) EFI 4x4 (2011, 2013, 2012); Polaris Sportsman 500 Forest Tractor (2010, 2012, 2011); Polaris Xplorer 500 4x4 (1997); Polaris Ranger 500 H.O. 4x4 (2010); Polaris Sportsman 500 H.O. X 4x4 (2002); Polaris Scrambler 500 Freedom 4x4 (2002); Polaris Scrambler 500 X (2001); Polaris Sportsman 500 Forest (2011, 2012); Polaris Sportsman 500 H.O. Hunter Ed. 4x4 (2005); Polaris Sportsman 500 H.O. X (2002); Polaris Sportsman 500 RSE Remington Special Ed. 4x4 (2000)