Cometic Chevy BB Gen IV 396/402/427/454 H/G 4.320 inch Bore .051 inch MLS Head Gasket

Cometic Gasket is known for making well-built sealing solutions, and this Multi-Layer Steel (MLS) head gasket is a prime example. It's designed for Chevy Big Block Gen IV engines with a 4.320-inch bore, offering a compressed thickness of 0.051 inches. This gasket is built to handle the demands of high-output engines, making it a solid choice for rebuilds or performance applications.

What sets this gasket apart is its construction. It's made from multiple layers of stainless steel, which gives it increased strength and resistance to corrosion. The outer layers are embossed and coated with Viton, a heat-resistant rubber material that can handle temperatures up to 482 degrees Fahrenheit. This advanced coating ensures a reliable seal even in harsh conditions, and it works well with both aluminum and cast iron blocks. Because it's an MLS gasket, it doesn't require any additional sealants, simplifying installation.

This gasket fits a wide range of Chevrolet vehicles from the mid-60s through the early 90s, including models like the Chevrolet Impala, Corvette, and C10 Pickup. It's a direct replacement part designed to maintain proper sealing between your cylinder head and engine block.