Fel-Pro PT PermaTorque cylinder head gasket for Ford Thunderbird incorporates sealing technologies and materials to support reliable head sealing during repairs. Engineered for imperfect sealing surfaces, it uses reinforced facings, steel armor and a proprietary nonstick coating to resist small surface imperfections. The design aims to provide durability and a superior seal without requiring retorque in many applications.
Fel-Pro Ford Thunderbird 8554 PT PermaTorque Engine Cylinder Head Gasket