Cometic Chevrolet Mark-IV Big Block V8 .042in MLS Cylinder Head Gasket - 4.540in Bore

Cometic Gasket has a solid reputation for making well-built engine components, and this Multi-Layer Steel (MLS) cylinder head gasket is a prime example. It's designed for Chevrolet Mark IV Big Block V8 engines and features a 4.540-inch bore with a .042-inch thickness, making it a solid option for rebuilding or repairing your engine.

This gasket is constructed from three to five layers of stainless steel. Cometic chooses stainless steel for its strength, its ability to rebound under pressure, and its resistance to corrosion. The outer layers are embossed and coated on both sides with a Viton rubber material. This coating is heat resistant up to 482°F (250°C) and is built to handle tough sealing environments, varying loads, and different surface finishes you might encounter during an engine build.

This gasket fits a wide range of Chevrolet vehicles, including models like the Impala, Chevelle, and C10 Pickup from various years. It's a direct fit for many Mark IV Big Block V8 applications, ensuring a reliable seal for your engine's top end.