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The Cometic MLX cylinder head gasket for GM LS9/LSA Gen-4 small-block V8 is a multi-layer stainless steel gasket with Viton-coated outer layers and an integrated stopper layer for improved combustion sealing. Compressed operating thickness is 0.051" with a 4.100" bore. MLX technology improves clamp load around the cylinder without increasing bore distortion and requires no sealants or re-torque for proper installation.
Cometic 09+ GM LS9 4.100in Bore .051 thick MLX LHS Head Gasket
