Cometic Chrysler B/RB .030in MLS Cylinder Head Gasket - 4.600in Bore - Siamese Bore

When you're rebuilding the top end of your Chrysler B or RB engine, getting the head gasket seated right is crucial for sealing combustion. This Multi-Layer Steel (MLS) gasket from Cometic is designed for a 4.600-inch bore with Siamese bores, and it's sized .030 inches undersize, which is important to note for your build. MLS gaskets are a solid choice for modern performance builds because they offer excellent sealing and durability.

Cometic builds these gaskets with multiple layers of stainless steel, giving them strength and the ability to rebound and resist corrosion. The outer layers are coated with Viton, a heat-resistant rubber material that handles tough sealing environments and various surface finishes without needing extra sealants. The center layer is stainless steel and can be varied in thickness to meet specific build requirements; in this case, it's set to achieve a compressed operating thickness of 0.098 inches. This construction makes them suitable for use with both aluminum and cast iron blocks.

This gasket fits a wide range of classic Chrysler, Dodge, and DeSoto vehicles from the late 1950s through the late 1970s, including models like the Chrysler New Yorker, Dodge Charger, and DeSoto Adventurer. Always double-check your engine's bore size and specific requirements to ensure this .030 undersize gasket is the correct fit for your project.