Premium Quality Replacement PartCylinder Base Gasket for Polaris 5260934 5254903 Inner Diameter 116.0 mmFor Polaris Models:RZR 570 2012-2016Ranger 570 4×4 2014-2016Ranger Crew 570 4×4 2014-2015Ranger Crew 570-6 4×4 2016Ranger XP 570 2016Sportsman 570 2014-2016Sportsman X2 570 2015-2016Sportsman ACE 570 2015ACE 570 2016Sportsman 450 2×4 2016Order Includes:1 x Cylinder Base Gasket: 5260934 5254903Length: 7.8″ | 199.5 mmWidth: 5.52″ | 140.3 mmInner Diameter: 4.5″ | 116.0 mm**