MAHLE OE eight-piston cast set for Ford 5.4L PI90/PI91 applications arrives with mounted rings, wrist pins and clips for installation. MAHLE OE pistons use compensated ring grooves and expansion-controlled tolerances to support proper ring loading and oil control, helping to reduce engine noise, wear and emissions. These OE-quality pistons are intended as direct replacement components for engine rebuilds.
Mahle OE Ford 5.4L PI90L91+A4 .040 w/ PCR Eng Set Piston With Rings Set (Set of 8)