Description
Compatible models for Polaris 450 2016, ACE 570 16~17, Ranger 570 14~17, Ranger Crew 570 14~17/ RZR 570 12~16, Sportsman 570 14~17, Sportsman Forest 570, Sportsman Touring 570 14~16.Improve oil canal design for bettering the lubrication, crankshaft is trued to oem spec. dyno proven.The diameter at the end of the Magneto Side is 22 mm.Item includes a crankshaft