The Fel‑Pro PermaTorque cylinder head gasket set for Mercury Grand Marquis incorporates sealing innovations intended for demanding repair work. Proprietary materials, reinforced facings and steel armor deliver strength and durability, while a nonstick coating helps seal small surface imperfections. The steel core design reduces the need for retorquing head bolts after installation.
Fel-Pro Mercury Grand Marquis HS 9790 PT-7 PermaTorque Engine Cylinder Head Gasket Set