The 8.5-inch GM 10-bolt rear on â 73-77 GM intermediate A-bodies is relatively strong and worth keeping. We show you how to upgrade the OEM two-piece bearings and seals with one-piece Timken ...

The pinion shaft on the 8.5-inch 10-bolt has a diameter of 1.625 inches, the same as the GM 12-bolt. The diameter of the 12-bolt ring gear—at 8.875 inches—is .375 inch larger than the one in ...

How to Upgrade the Bearings and Axle Seals on Your 8.5-inch GM 10-Bolt Rear. Johnny Hunkins Writer Mar 13, 2014. See All 2 Photos.

Follow along as we show you how to rebuild a Chevy 8.2-inch 10-bolt rearend from a 1971 Monte Carlo ... Chevy 10-Bolt Rearend Upgrades - Get Your Rear In ... $29.95 vs. $100.00 for the GM ...