Cometic Chevrolet 4.3L Gen-1 90 Degree V6 .027in MLS Cylinder Head Gasket - 4.120in Bore

If you're rebuilding the top end of your Chevrolet 4.3L Gen-1 90 Degree V6, a reliable head gasket is crucial for sealing the combustion chamber and coolant passages. This Multi-Layer Steel (MLS) gasket from Cometic is built to handle the demands of engines that see a lot of work, whether it's a daily driver or something with a bit more power.

Cometic uses multiple layers of stainless steel for increased strength and resistance to corrosion. The outer layers are coated with Viton, a heat-resistant rubber material that can handle high temperatures and harsh sealing environments, ensuring a solid seal against both aluminum and cast iron blocks. This gasket has a compressed thickness of 0.036 inches and is designed for a 4.120-inch bore, fitting a range of Chevrolet and GMC vehicles from the mid-80s to the mid-90s.