4.160 MLS Head Gasket .030 - SBC Brodix

The Cometic Gaskets 4.160 MLS Head Gasket .030 for SBC Brodix is a precision multi-layer steel cylinder head gasket engineered for small block Chevy marine and automotive engines. This 4.160-inch bore gasket delivers the compression sealing reliability that modern high-performance powerboats and race engines demand, with the 0.030-inch thickness offering optimized clamping load distribution for consistent performance across extended operating cycles.

Cometic's multi-layer steel (MLS) construction provides superior sealing compared to conventional gasket materials, particularly under the thermal cycling and vibration stress that marine engines experience. The 0.030-inch compression thickness is specifically calibrated for Brodix cylinder head applications, ensuring proper gasket crush and preventing both leakage and over-compression that could reduce engine longevity. The gasket's design accommodates the precise port geometry of Brodix heads while maintaining a reliable seal across intake, exhaust, and coolant passages during wide operating temperature ranges—critical for engines operating in varying water conditions.

This gasket suits both weekend boaters running reliable small block Chevy power and serious offshore anglers who depend on high-output marine engines for tournament performance. It's equally applicable to performance automotive builds and restorations where a Brodix head upgrade pairs with original or modified small block architecture. Proper installation requires precision torquing to Brodix specifications and clean deck surface preparation to achieve the sealing integrity this gasket design provides.

Cometic Gaskets holds a strong reputation in the high-performance engine gasket market, with MLS technology becoming the industry standard for serious builds where repeated thermal shock and extreme operating pressures are normal. The specific bore and thickness specifications ensure this gasket integrates seamlessly with Brodix cylinder head engineering, avoiding the compatibility issues and performance losses that mismatched gasket selections introduce.