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Fel‑Pro cylinder head gasket set for Nissan D21 applications that restores a reliable combustion seal during engine repair. Built for the real‑world repair environment, the PermaTorque design uses proprietary sealing technologies to handle imperfect sealing surfaces. Nonstick coating helps seal small surface scratches and the steel core reduces the need for retorquing head bolts for long‑term reliability.
Fel-Pro Nissan D21 HS 9646 PT PermaTorque Engine Cylinder Head Gasket Set
