Ford 9.75" Pinion Flange Yoke Dual Drilled Bolt Circle 3.50 / 4.25
F75Z4851BA, YC3Z4851AB Spline Count: 31 Spline Diameter: 1.343 Hub Diameter: 1.812 Thru Hole: 1.640 Face To End: 1.955 Pilot Diameter: 2.000 Bolt Circle Diameter: 3.50 / 4.25 Notes: Dual threaded bolt patterns Bolt Holes: 8 Expedition: 1997 - 2003 (Rear) F150: 1997 - 2006 (Rear) Mark LT: 2006 - 2006 (Rear) Navigator: 1998 - 2006 (Rear)