Cometic Chevrolet Mark-IV - GM Gen-V/VI Big Block V8 .098in MLS Cylinder Head Gasket - 4.310in Bore

Starting with a compressed thickness of just 0.036 inches, this Cometic Multi-Layer Steel (MLS) head gasket is built for serious performance. It's constructed from multiple layers of stainless steel, with the outer layers treated to a heat-resistant Viton rubber coating. This design is ideal for high-output engines, whether you're pairing aluminum heads with an aluminum block or aluminum heads with cast iron. The multiple steel layers provide increased strength and resistance to corrosion, while the Viton coating handles demanding sealing environments and surface finishes, staying effective up to 482°F (250°C).

This gasket is specifically designed for aftermarket heads, featuring undersized water ports that allow for customization to your specific build. The center shim layer is uncoated stainless steel, and the overall gasket thickness is 0.098 inches with a 4.310-inch bore diameter. Cometic MLS gaskets are known for providing maximum sealing performance without needing additional sealants, making them a solid choice for many Chevrolet Mark-IV, GM Gen-V/VI Big Block V8 applications, including vehicles like the Chevrolet Impala, Camaro, and C10 Pickup.