The Cometic MLX cylinder head gasket for GM Gen‑V/VI big block V8 engines (4.560" bore, .052" thickness) provides reliable combustion chamber sealing using an integrated stopper layer. MLX construction improves clamp load around the cylinder without increasing bore distortion, giving a focused sealing solution suited to high‑output big block rebuilds and repairs.
Cometic GM Gen-V/VI Big Block V8 0.052in MLX Cylinder Head Gasket 4.560in Bore