The Atro Polyurethane High Temperature Engine Mount is the perfect choice for those looking for a superior engine mount. This mount is made of polyurethane, which is more durable and performs better than rubber. It has an OD of 2 1/2" and can be used in a wide range of applications. Its high temperature tolerance and reliable performance, make it the perfect choice for any engine mount. FleetPride is your First Click in Heavy Duty®.