Cometic MLX cylinder head gasket for GM Duramax LB7/LLY/LBZ/LMM/LGH/LML, 4.130" bore and .053" compressed thickness, Right Hand Side. MLX gaskets use an integrated stopper layer to seal the combustion chamber while improving clamp load distribution without increasing bore distortion. The MLX construction requires no sealants or re‑torque, offering controlled sealing performance for Duramax cylinder head applications.
Cometic GM LB7/LLY/LBZ/LMM/LGH/LML Duramax .053in MLX Cylinder 4.130in Bore RHS Head Gasket