Cometic Chrysler Small Block W/318A Heads 4.04in .040in MLS Head Gasket

If you're working on a Chrysler small block engine with 318 A heads and a 4.040 inch bore, this Multi-Layer Steel (MLS) head gasket from Cometic is a solid choice. It's built with multiple layers of stainless steel for strength and resilience, and the outer layers are coated with Viton, a heat-resistant rubber that can handle tough sealing jobs. This gasket is designed to provide a reliable seal for high-output engines, whether you're pairing aluminum heads with an aluminum block or aluminum heads with cast iron.

The multi-layer design not only adds strength but also allows the gasket to rebound and resist corrosion, which is important for long-term performance. The Viton coating on the outer layers is specifically chosen for its ability to withstand high temperatures (up to 482 F) and harsh sealing environments. The center layer is uncoated stainless steel, and Cometic uses different thicknesses for this layer to achieve the desired compressed operating thickness, which in this case is 0.040 inches. These gaskets are made to seal well without needing any additional sealants.

This gasket fits a wide range of Chrysler, Dodge, and Plymouth vehicles from the 1960s through the early 1990s, including models like the Dodge D150, Chrysler Cordoba, and Plymouth Duster. It's a well-built component designed for dependable sealing in your engine build.