Cometic GM Gen-V/VI Big Block V8 .066in MLS Cylinder Head Gasket - 4.540in Bore

When you're rebuilding the top end of your GM Gen-V or VI Big Block V8, getting the cylinder head gaskets seated 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 a reliable seal between your cylinder heads and block.

Cometic 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, meaning you don't need extra sealants. The compressed thickness on this gasket is .066 inches, with a 4.540-inch bore diameter, making it suitable for a range of GM Big Block applications.

This gasket is designed to work well with both aluminum and cast iron blocks, and it can handle the shearing forces that can occur between different metal types. It's a well-built option for anyone looking for a dependable seal during their engine build.