Cometic Chevrolet 4.3L Gen-1 90 Degree V6 .045in MLS Cylinder Head Gasket - 4.060in Bore

When you're rebuilding the top end of your Chevrolet 4.3L Gen-1 90 Degree V6, a solid head gasket is crucial for sealing the combustion chamber. This Multi-Layer Steel (MLS) gasket from Cometic is built to handle the demands of higher output engines, ensuring a reliable seal between your cylinder head and engine block. It's designed to work with both aluminum and cast iron blocks, and it doesn't require any additional sealants, making installation more straightforward.

Cometic constructs this gasket using multiple layers of stainless steel for increased strength and corrosion resistance. The outer layers are coated with Viton, a heat-resistant rubber material that can handle temperatures up to 482°F (250°C), making it suitable for harsh sealing environments. The compressed operating thickness is precisely 0.045 inches, and the bore size is 4.060 inches, ensuring a proper fit for the specified 4.3L V6 engines. This well-built gasket is a popular choice for those looking for a dependable seal.