4.200 MLS Head Gasket .040 - SBM R3 Block

The 4.200 MLS Head Gasket .040 - SBM R3 Block by Cometic Gaskets is a precision-engineered cylinder head gasket specifically designed for Small Block Mopar engines utilizing R3 blocks. This gasket is essential for sealing the critical interface between the cylinder head and engine block, effectively preventing leaks of combustion gases and coolant.

Constructed from multi-layer steel (MLS), this head gasket features a bore diameter of 4.200 inches and a compression thickness of 0.040 inches, aligning with OEM specifications for R3 Small Block Mopar applications. The MLS design incorporates multiple interlocking steel layers with elastomer coatings, providing superior sealing capabilities across a wider clamping range compared to traditional gaskets.

Ideal for those performing head gasket replacements, engine rebuilds, or head porting work on Small Block Mopar R3 block engines, this gasket ensures proper combustion chamber volume and compression ratio. Cometic's manufacturing tolerances guarantee consistent performance, making it a reliable choice for automotive enthusiasts and professionals alike.