Cometic GM LS Gen-3/4 Small Block V8 .089in MLS Cylinder Head Gasket - 4.130in Bore

Cometic Gasket is a well-known name for making robust sealing solutions, especially their multi-layer steel (MLS) head gaskets. This particular gasket is built for GM LS Gen-3 and Gen-4 small block V8 engines, featuring a 4.130-inch bore and a compressed thickness of 0.089 inches. It's designed to handle the demands of higher output engines and is suitable for use with aluminum heads on either aluminum or cast iron blocks, as it can manage the shearing forces that arise between different metals.

What makes these MLS gaskets strong is their construction from multiple layers of stainless steel. This design not only increases strength but also allows the gasket to rebound and resist corrosion. The outer layers are embossed and coated with Viton, a heat-resistant rubber material that can handle temperatures up to 482 degrees Fahrenheit. Viton is chosen for its ability to perform in tough sealing environments, under various load conditions, and on different surface finishes. The center layer is uncoated stainless steel and can be varied to achieve different gasket thicknesses, like the 0.089-inch compressed thickness on this specific part. These gaskets seal effectively without needing any additional sealants.

This gasket fits a wide range of vehicles, including popular models like the Chevrolet Silverado 1500, Chevrolet Corvette, and Cadillac CTS. It's a solid option for anyone rebuilding or upgrading their LS engine.