Cometic Chevy LB1/LB4 Gen1 90 Degree V6 Top End Gasket Kit-4.060in Bore-.040in MLS Cyl Head Gasket

If you're rebuilding the top end of your GM V6 4.3L engine, this Cometic StreetPro Top End Gasket Kit is a solid option. It's designed to fit a wide range of vehicles from 1985 through 1993, including popular models like the Chevrolet Astro, GMC Safari, and Chevrolet C1500. This kit focuses on the essential gaskets and seals needed for the upper portion of your engine, making your rebuild process more straightforward.

Cometic uses quality gasket materials in their StreetPro kits, and this one features a Multi-Layer Steel (MLS) cylinder head gasket. The head gasket is precisely sized for a 4.060-inch bore and has a thickness of .040 inches, ensuring a proper seal for your engine's combustion chambers. This attention to material and sizing helps ensure a well-sealed engine that can perform reliably.

This kit is sold as a top-end kit, meaning you'll get the gaskets for the cylinder heads and related components. For a complete engine overhaul, consider purchasing both the top-end and bottom-end kits from Cometic's StreetPro line.