The Fel‑Pro PermaTorque cylinder head gasket set for Ford F‑150 (PT‑4) features NextGen coating technology precisely applied to withstand higher engine temperatures and surface finishes up to 80 Ra. It also includes LaserWeld stopper layer technology to reduce gasket damage from blowout, multi‑layered stainless steel construction to manage sealing stress and head lift, and embossed sealing beads at vital areas to eliminate leak paths on imperfect sealing surfaces.
Fel-Pro Ford F-150 HS 26306 PT-4 PermaTorque Engine Cylinder Head Gasket Set