4.630 MLS Head Gasket .060 - BBC Brodix

The Cometic Gaskets 4.630 MLS Head Gasket .060 – BBC Brodix (C5434-060) is a precision multi-layer steel cylinder head gasket engineered specifically for Big Block Chevy engines equipped with Brodix cylinder heads. This gasket is ideal for high-compression marine and performance applications, ensuring reliable sealing under sustained load conditions.

Featuring a 4.630-inch bore diameter and a 0.060-inch compression thickness, this gasket is optimized for Brodix-specific head geometry. Its multi-layer steel construction provides the durability and heat resistance essential for marine engines, particularly in constant-load inboard and outboard applications where cylinder pressure and thermal cycling can stress inferior gasket materials.

This gasket is particularly beneficial for builders and technicians restoring or upgrading Big Block Chevy marine engines, especially those utilizing modern Brodix cylinder head castings. Whether you're rebuilding an offshore racing engine or restoring a classic, this gasket ensures proper clamping force distribution and combustion chamber sealing across the entire bore.