Cometic GM Gen-3/4 Header Gasket Set

Cometic HTS exhaust gaskets consist of multiple layers of sturdy stainless steel, providing superior flexibility and corrosion resistance. The outer surfaces are coated with a heat-resistant, graphite-based material to deliver a premium seal capable of enduring various sealing pressures and surface conditions. These Headers gaskets are designed for 1999-2013 Silverado and Sierra models equipped with 4.8L, 5.3L, 6.0L, and 6.2L engines.