Yes, cant say enough good about the quality of the ring and pinion. If you want OEM smooth and quiet these gears are the answer. I too purchased all new pinion and diff bearings nos off ebay. Gear setup was straight forward, also a great time to install an okie bushing while it is all apart.
Steve


1953 Chevrolet 3100
261 cu inch, sm420, 3.55 rear, torque tube still,omaha orange, still 6 volt, RPO green glass, side carrier spare, all done
In the DITY Gallery
Video of the 261 running

1964 GMC 1000
305 Big Block V6, sm420, the next cab off restoration