Inside diameter is 3''Graphite material resists heat and pressureReusableFeatures a steel core for strengthHardware is not included
These ultra-seal collector gaskets feature a steel core for strength and a graphite material that resists heat and pressure and conforms to the flange for a superior seal. The graphite makes gaskets easier to remove and are reusable. The inside diameter is 3'', hardware is not included, and they are sold as a pair.
Brand: Mr. Gasket, Model: 5971