Millennium Cylinder Kit - +5.00 Mm - Big Bore - M-Spec - Polaris 800 K293

• Complete bolt-on big bore kit for ultimate strength, durability and power • Includes high-performance forged piston kit with rings, tool steel wrist pins and locks • Comes with complete gasket kit • Made in the USA - Polaris RZR 800 4x4 (2009, 2011, 2012, 2013, 2014, 2010); Polaris Sportsman 800 EFI 4x4 (2014, 2013, 2008, 2012, 2010, 2011, 2007, 2009); Polaris RZR 4 800 4x4 (2013); Polaris RZR S 800 4x4 (2012, 2013, 2009, 2011, 2014, 2010); Polaris Ranger 800 4x4 (2013, 2014); Polaris Sportsman 800 Twin EFI (2006, 2005)