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 4 XP 1000 4x4 (2016, 2015, 2014); Polaris RZR XP 1000 4x4 (2016, 2014, 2015); Polaris RZR S 1000 EPS 4x4 (2016); Polaris General 1000 EPS 4x4 (2016)