Cometic Oldsmobile Gen-2 Rocket V8 .030in MLS Cylinder Head Gasket - 4.125in Bore

This is a Cometic Multi-Layer Steel (MLS) cylinder head gasket, specifically sized for a 4.125 inch bore and .030 inch thickness. It's built for Oldsmobile Gen-2 Rocket V8 engines and fits a wide range of vehicles from the late 60s through the early 80s, including many Buick, Cadillac, Chevrolet, GMC, and Oldsmobile models. A proper head gasket is crucial for sealing the combustion chamber, preventing coolant and oil leaks, and maintaining compression.

Cometic's MLS design 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 without needing additional sealants. This construction is ideal for engines with aluminum heads paired with either aluminum or cast iron blocks, as it can manage the stresses between dissimilar metals. The center layer is stainless steel and can be varied in thickness to meet different requirements, with this particular gasket set to a compressed thickness of .036 inches.