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The Cometic MLX cylinder head gasket for Ford RY45 (4.290in bore, .040in) — right-hand — uses an integrated stopper layer to improve combustion chamber sealing and increase clamp load around the cylinder without increasing bore distortion. MLX construction uses MLS-grade materials and requires no sealants or re‑torque for dependable sealing.
Cometic Ford RY45 4.290in Bore .040in MLX Head Gasket - Right
