Cometic Chevrolet Gen-1 Small Block V8 .066in MLS Cylinder Head Gasket - 4.125in Bore

If you're working on a Chevrolet Gen-1 Small Block V8 engine and need a reliable cylinder head gasket, this Cometic MLS gasket is a solid option. It's designed for a 4.125-inch bore and has a compressed thickness of .066 inches, making it suitable for a wide range of applications, including those using aftermarket heads. This gasket is built to handle the demands of higher-output engines, ensuring a strong seal between your cylinder heads and engine block.

Cometic uses a multi-layer steel (MLS) construction for these gaskets, which offers increased strength and the ability to rebound, helping to resist 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 pairing aluminum heads with either aluminum or cast iron blocks, as it can manage the shearing forces that can occur between different metals.

This gasket is specifically noted for its undersized water ports on aftermarket heads, allowing for customization during installation. It's a well-built component that aims to provide maximum sealing performance for your engine build.