Millennium Piston Kit - +5.00 Mm - Big Bore - M-Spec - Polaris 800 K8877D500-2

• Replacement piston kits for M-Spec big bore cylinder • 4-stroke pistons are made using a double-bridged forging design • Lightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engine • Made in the USA - Polaris Ranger 800 4x4 (2014, 2013); Polaris Sportsman 800 EFI 4x4 (2010, 2009, 2013, 2014, 2008, 2012, 2011, 2007); Polaris Ranger 800 (Mid-Size) EFI 4x4 (2013, 2014); Polaris RZR 800 EPS LE 4x4 (2013, 2012, 2014, 2010, 2011); Polaris RZR 4 800 EPS LE 4x4 (2014, 2013); Polaris RZR 4 800 EPS LE Robby Gordon Edition (2012, 2011); Polaris Sportsman 800 MV (2006, 2010, 2012, 2007, 2005, 2011, 2008, 2009, 2013, 2014); Polaris RZR 800 4x4 (2010, 2014, 2013, 2009, 2012, 2011); Polaris Ranger 800 MVRS (2010, 2011); Polaris RZR S 800 LE (2011, 2012, 2013, 2010, 2014); Polaris RZR S 800 4x4 (2011, 2014, 2012, 2013, 2010, 2009); Polaris RZR 4 800 Robby Gordon Edition (2012, 2011); Polaris RZR 800 LE (2009, 2011, 2012, 2013, 2010); Polaris Sportsman 800 LE EFI (2007, 2008); Polaris Ranger 800 HD EPS 4x4 (2011, 2012); Polaris Sportsman 800 Deluxe EFI (2007); Polaris RZR 4 800 4x4 (2013); Polaris Ranger 800 LE (Mid-Size) 4x4 (2013); Polaris Ranger 800 LE 4x4 (2013); Polaris RZR 4 800 EPS 4x4 (2014); Polaris Sportsman 800 Camo EFI (2005)