Product details

Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.040". Suitable for Brodix 12-23 Degree Head. Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for todays high output engines and require no sealants. MLS gaskets are ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks. They can withstand the shearing force created by the two materials. MLS gaskets have increased strength because they are comprised of multiple layers of stainless steel; which also creates the ability to rebound and resist corrosion. The outer layers are embossed and coated on both sides with Viton (a flour elastomer rubber based material that is heat resistant to 250 C/ 482 F). Viton is designed to meet the demands of a variety of harsh sealing environments, load conditions, and surface finishes. The center or shim layer is uncoated stainless steel, which can be varied to accommodate multiple thickness requirements. Chevrolet Gen-1 Small Block V8 .040in. MLS Cylinder Head Gasket; 4.030in. Bore; For Aftermarket Heads-Undersized Water Ports to Allow for Customization Chevrolet Gen-1 Small Block V8 .040" MLS Cylinder Head Gasket, 4.030" Bore, For Aftermarket Heads - Undersized Water Ports to Allow for Customization MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel Chevrolet Gen-1 Small Block V8 Cylinder Head Gasket

Manufacturer fitment & guides

Check C5399-040 against the manufacturer’s application information below.

• Cometic manufacturer vehicle and engine application catalog ↗

Part-specific notes

• California Proposition 65: Y