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The PermaTorque cylinder head gasket set for Mercury Cougar provides a reliable head seal for repair work, using Fel‑Pro proprietary sealing technologies to handle imperfect sealing surfaces. Intended for the real-world repair environment, it pairs reinforced facing materials and steel armor with embossed sealing beads and a nonstick coating to seal small surface scratches. Steel core construction reduces the need for retorquing head bolts.
Fel-Pro Mercury Cougar HS 8857 PT-5 PermaTorque Engine Cylinder Head Gasket Set
