Cometic Chevy 396/402 Mark-IV Big Block V8 Top End Gskt Kit-4.200in Bore-.040in MLS Cyl Head Gskt

If you're rebuilding the top end of your Chevy 396 or 402 Mark-IV Big Block V8, this Cometic StreetPro gasket kit is a solid option. It includes all the gaskets and seals you'll need to get that engine back together and running strong. This kit is designed for a 4.200-inch bore with a .040-inch thick Multi-Layer Steel (MLS) cylinder head gasket, which offers good sealing for street performance applications.

Cometic uses quality gasket materials in their StreetPro line, including MLS, AFM, Aramid Fiber, and Armor Clad, depending on the specific application within the kit. This ensures a reliable seal for your engine rebuild. The kit is sold as a top-end kit, so you can purchase the bottom-end kit separately if you plan on a full engine overhaul.

This kit fits a range of GM Big Block V8 vehicles from 1970 to 1985, including popular models like the Chevrolet C10 Pickup, C20 Suburban, and Impala. Make sure to check the full fitment list to confirm compatibility with your specific vehicle.