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Cometic MLS head gasket for GM/Mercury Marine 525/625 502 Gen‑VI big block V8 with 4.470in bore and .027in compressed thickness. Multi‑layer stainless steel construction with Viton‑coated embossed outer layers resists corrosion and maintains torque set under heavy loads. MLS design tolerates mixed head/block materials, rebounds after loading, and provides reliable sealing without additional sealants for marine and high‑output applications.
Cometic GM/Mercury Marine 525/625 502 Gen-VI Big Block V8 .027in MLS Cyl Head Gasket-4.470in Bore
