Chevy GM 14 Bolt 10.5 Ring & Pinion Gear Set 3:73 AAM OEM 40058731
This is a genuine AMM 3:73 ring gear and pinion set for a GM 14 bolt 10.5
full float rear end. These are used in 3/4 and 1 ton trucks from 1972-current
production. The tooth counts are 41 on the ring gear and 11 on the pinion.