Cometic Chevrolet Mark-IV Big Block V8 .057in MLS Cylinder Head Gasket - 4.630in Bore

When you're rebuilding the top end of your Chevrolet Mark-IV Big Block V8, getting the head gasket right is crucial for a solid seal. This Multi-Layer Steel (MLS) gasket from Cometic is built to handle the demands of high-output engines, ensuring your combustion chambers stay sealed tight.

This gasket uses multiple layers of stainless steel for increased strength and resistance to corrosion. The outer layers are coated with Viton, a heat-resistant rubber material that can handle tough sealing environments and various surface finishes, making it suitable for both aluminum and cast iron blocks. With a compressed thickness of 0.057 inches and a bore size of 4.630 inches, it’s designed to fit a wide range of Chevrolet applications from the mid-60s through the early 80s, including popular models like the Impala, Chevelle, and C10 pickups.

Because it's an MLS gasket, it doesn't require any additional sealants, simplifying the installation process. This well-built gasket is a solid option for anyone looking for reliable sealing performance on their Mark-IV Big Block build.