PQ Series SFI Billet Steel Flywheel - Ford 4.6L Modular V8,(Mustang SOHC 96-04 & Mustang 96-98 DOHC) 1996-10, 27 lbs, Internal Balance, 164 Teeth, 6 bolt crankshaft pattern.SFI certified; Manufactured from 1045 Billet Steel; CAD Engineering and CNC Machined; Award winning designs year-after-year;