The Cometic MLX head gasket for Hemi Gen3 Iron Eagle blocks with a 4.275 in bore (LHS) features an integrated "stopper" layer for combustion chamber sealing. Its MLX construction helps improve clamp load around the cylinder without increasing bore distortion, offering a precise sealing option where these MLX bore and side specifications are required.
Cometic Hemi Gen3 Iron Eagle Block .054in MLX Cylinder 4.275in Bore LHS Head Gasket