The ATI 8.074-inch shell assembly in aluminum is listed for Ford 4.6 modular engines from 2005–2010 and is supplied in an 8-groove configuration. Catalog notes indicate a serpentine 20% outside-diameter sizing and a three-ring arrangement; the entry identifies dimensional and pulley details for matching drive components during replacement or rebuild.
ATI Shell Assy - 8.074 - 8Grv - Ford 4.6 Mod - 05-10 - Serp 20 Percent OD - 3 Ring