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The PermaTorque cylinder head gasket set for Mercury Cougar offers a dependable head seal for repair work, using Fel‑Pro sealing technologies to address imperfect surfaces found in service. It pairs reinforced facing materials and steel armor with embossed sealing beads and a proprietary nonstick coating to close small scratches and imperfections, and its steel core design helps reduce the need for retorquing head bolts.
Fel-Pro Mercury Cougar HS 8857 PT-6 PermaTorque Engine Cylinder Head Gasket Set
