Cometic PRO1005T-4560-040 Top End Gasket Kit for Chevrolet Big Block Mark IV - V8

The Cometic PRO1005T-4560-040 is a complete top end gasket kit engineered specifically for Chevrolet Mark IV Big Block V8 engines with 4.560-inch bore diameter and 0.040-inch head gasket thickness. This comprehensive kit includes all essential gaskets needed for a professional cylinder head rebuild or replacement.

Key Features:

• MLS (Multi-Layer Steel) head gaskets with 0.040-inch compressed thickness for precise compression control
• Designed for 4.560-inch bore applications, ideal for stroker and high-performance builds
• Complete kit includes head gaskets, valve cover gaskets, intake manifold gaskets, and all necessary top end seals
• Cometic's PRO1005 series construction delivers superior sealing and durability under high cylinder pressures
• Compatible with Chevrolet Mark IV Big Block engines (396, 402, 427, 454 variants)
• Direct replacement for performance rebuilds and racing applications

Cometic gaskets feature advanced materials and precision manufacturing to provide reliable sealing in demanding performance environments. The MLS head gasket design accommodates thermal expansion and provides excellent combustion sealing for both street and competition engines.