Cometic Ford SB 4.080 inch Bore .045 inch MLS Head Gasket (w/AFR Heads)

Cometic Gasket has a reputation for making well-built sealing components, and this Multi-Layer Steel (MLS) head gasket is a prime example. It’s designed for Ford SB engines with a 4.080 inch bore, specifically when using AFR heads that have a coolant eyebrow. This gasket is built to handle the demands of high-output engines, ensuring a strong seal without needing additional sealants.

The construction uses multiple layers of stainless steel, which gives it increased strength and the ability to rebound and resist corrosion. The outer layers are coated with Viton, a heat-resistant rubber material that can handle tough sealing environments and various surface finishes. The center layer is uncoated stainless steel, and its thickness can be varied to meet different sealing requirements. This type of construction is ideal for sealing aluminum heads to both aluminum and cast iron blocks, as it can manage the shearing forces that can occur between different metal types.

This gasket fits a wide range of vehicles, including classic Ford Broncos, Ford Econoline vans, and AC Shelby Cobras from various years. It's a solid option when you need reliable sealing for your engine build.