Rear Drive Axle/Differential - Ford 10.50-Inch Ring Gear

Backlash Between Ring Gear and Pinion Teeth 0.203 - 0.381 (0.008 - 0.015) maximum 0.305 - 0.381 (0.012 - 0.015) preferred
Ring Gear Maximum Backlash Variation Between Teeth 0.102 (0.004)
Ring gear bolts 136 - 163 Nm (101 - 120 ft. lbs.)