Cometic Pontiac 400/428/455 V8 .030in MLS Cylinder Head Gasket - 4.380in Bore

Cometic Gasket is known for making well-built sealing components for performance applications. This Multi-Layer Steel (MLS) head gasket is designed for Pontiac 400, 428, and 455 V8 engines, featuring a 4.380-inch bore and a compressed thickness of .030 inches. It's built to handle the demands of higher output engines, offering a strong seal without needing additional sealants.

This gasket is constructed from multiple layers of stainless steel, which gives it increased strength and resistance to corrosion. The outer layers are coated with Viton, a heat-resistant rubber material that can handle temperatures up to 482 degrees Fahrenheit and works well in various sealing environments. The center layer is also stainless steel, and its thickness can be adjusted to meet different requirements. These MLS gaskets are suitable for use with both aluminum and cast iron blocks, and they can manage the stresses that arise when different metals are joined.

This gasket fits a range of vehicles, including models like the Pontiac Firebird, Grand Prix, and LeMans from the late 1960s through the late 1970s. It's a solid option for rebuilding or repairing the top end of these classic Pontiac V8s.