Ticon Industries High Temperature 3" 2 Bolt Gasket with Multi Layer Stainless Steel and Graphite Construction provides high temperature durability under extreme conditions when mating two 3" 2 bolt flanges on your exhaust system. The integrated Stainless Steel fire ring to extends gasket life and prevent failure between layers while providing a positive "crush" seal between the two flanges.Compatible with most 3" / 76mm exhaust two bolt flanges.