Cometic MLX cylinder head gasket for GM Duramax LB7/LLY/LBZ/LMM/LGH/LML, 4.130" bore and .053" compressed thickness, Left Hand Side. The MLX design features an integrated stopper layer to improve combustion chamber sealing and clamp load around the cylinder without inducing added bore distortion. Made from multi-layer stainless materials, these gaskets require no sealants or re‑torque for reliable sealing in Duramax head assemblies.
Cometic GM LB7/LLY/LBZ/LMM/LGH/LML Duramax .053in MLX Cylinder 4.130in Bore LHS Head Gasket