It is a durable gasket that is .050" thick and is a steel core laminate with silicone coating giving the racer a gasket that can be used multiple times as it doesn't stick and doesn't absorb fuel or oil. It will help seal up the burst panel so the racer loses no precious boost. Gasket measures 6.125" x 3.125" with twenty four holes.
Gasket is sold in a two pack, racer gets two gaskets for one great price.