Specifications:
Ring Gear Diameter: 8 3/8"
Pinion Shaft Diameter: 1.625"
Ring Gear Bolts: 10
Left Hand Threads: 3/8-24
Pinion Splines: 27
Cover Bolts: 10

Tech Note:
When replacing a 2.45 and numerically lower ratio gear set with a 2.71 or higher gear, the case must be changed to a 2.71 and higher case.