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Cometic MLS head gasket for GM/Mercury Marine 525/625 502 Gen‑VI big block V8, 4.470in bore and .051in compressed thickness. Built from multiple embossed stainless steel layers with Viton‑coated outer faces, this gasket offers rebound and corrosion resistance while maintaining torque set under high cylinder pressures. The center shim layer can be varied for thickness needs and helps reduce clamp load and bore distortion.
Cometic GM/Mercury Marine 525/625 502 Gen-VI Big Block V8 .051in MLS Cyl Head Gasket-4.470in Bore
