4.350 MLS Head Gasket .027 - BBM

The 4.350 MLS Head Gasket .027 - BBM by Cometic Gaskets is a precision-engineered sealing solution designed for Mopar B and RB-Series big block engines. This multi-layer steel (MLS) gasket is essential for high-performance engine assembly, capable of withstanding extreme cylinder pressures typical in modified street and competitive racing applications.

Constructed from advanced materials, this gasket ensures combustion chamber integrity under demanding thermal conditions. The 4.350-inch bore diameter and 0.027-inch compression thickness are critical specifications for optimizing quench distance and compression ratio, enhancing combustion efficiency when properly installed.

Ideal for engine builders performing top-end refreshes or complete performance overhauls, this gasket provides the professional-grade fitment required for the Big Block Mopar platform. When you choose this Cometic head gasket, you are investing in a reliable component that supports high-performance engine applications.