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The Cometic MLX five-layer head gasket for GM LSX Gen-4 small block V8s (left-hand bank) is .040-inch thickness with a 4.200-inch bore. Its multi-layer stainless steel construction features embossed outer layers coated in Viton for improved sealing and corrosion resistance, a center shim layer for thickness control, and an integrated stopper layer to support combustion chamber sealing in high-output engine applications.
Cometic GM LSX LHS 4.200in Bore .040in MLX 5-Layer Head Gasket
