Ring And Pinion Set. Ford 7.5 in. 3.45 Ratio. Incl. 10 Bolt Ring Gear/7.5 in. OD Ring Gear/10 Bolt Inspection Cover/1.625 in. Pinion Shaft w/28 Splines. Manufactured To Proper Specifications. Ensure Quiet And Durable Operation. Easy Set Up. Precision...