The Neapco 1310 Series 2" 4-Bolt Driveshaft Companion Flange is designed to provide a perfect fit and easy installation. It is manufactured with high-quality materials for durability and longevity. This companion flange has been rigorously tested to withstand challenging operating conditions. The flange features a seal surface designed to accommodate a seal to prevent fluid leaks. This flange is ideal for various automotive, agricultural and industrial applications. FleetPride is your First Click in Heavy Duty®.