Pinionshaft bearing lock screws. They are rear end bearing retaining screws and hold the propeller shaft /pinon bearing in place within the torque tube. The torque tube is pressed into the front half of the differential housing and is not meant to be separated.
Last edited by sstock; 01/22/2019 6:13 AM.
1953 Chevrolet 3100261 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 GalleryVideo of the 261 running1964 GMC 1000305 Big Block V6, sm420, the next cab off restoration
