The Fel-Pro PermaTorque cylinder head gasket set for Cadillac STS delivers a dependable seal for head repairs and overhaul work, built to perform on imperfect sealing surfaces. It uses Fel-Pro’s proprietary sealing technologies with a steel core and reinforced facing material, plus a nonstick coating to seal small surface imperfections and help reduce the need for retorquing during reassembly.
Fel-Pro Cadillac STS HS 26380 PT-1 PermaTorque Engine Cylinder Head Gasket Set