Cometic Street Pro GM Gen-6 L21/29 454 Big Block 4.375in Bore .040in Top End Gasket Kit

This Cometic Street Pro gasket kit gives you all the essential gaskets and seals needed for a GM Gen-6 L21/29 454 Big Block V8 engine rebuild. It's designed for the budget-conscious street-rodder who wants a complete top-end kit without compromising on material quality. This kit fits a range of Chevrolet and GMC trucks and vans from the mid-to-late 90s, including models like the C2500 Suburban and Express 3500.

Inside this kit, you'll find gaskets made from a combination of quality materials such as Multi-Layer Steel (MLS), AFM, Aramid Fiber, and Armor Clad. These materials are chosen to ensure a solid seal for your engine's top end. The kit is specifically for a 4.375-inch bore with a .040-inch thickness, making it a precise fit for the specified Gen-6 Big Block engines.