Cometic Ford SB 4.100 inch Bore .051 inch MLS Head Gasket (w/AFR Heads)

This Cometic Multi-Layer Steel (MLS) head gasket is built with a compressed thickness of 0.051 inches and a 4.100-inch bore, specifically designed to work with AFR cylinder heads that have a coolant eyebrow. MLS gaskets are a smart choice for high-output engines because they offer maximum sealing performance without needing any additional sealants. They are well-suited for combinations of aluminum heads with either aluminum or cast iron blocks, effectively handling the shearing forces that can occur between different metals.

The strength of these gaskets comes from their multiple layers of stainless steel, which also allows them to rebound and resist corrosion. The outer layers are embossed and coated on both sides with Viton, a heat-resistant rubber material capable of withstanding temperatures up to 482 degrees Fahrenheit. This makes Viton ideal for sealing in demanding environments, under various load conditions, and on different surface finishes. The center layer is uncoated stainless steel, and its thickness can be adjusted to meet different sealing requirements.

This gasket is designed to fit a wide range of Ford Windsor V8 engines, including popular models like the Ford Bronco, F-100, and E-Series vans, among many others. It's a solid option when you need reliable sealing for your engine build.