Look at the seal 5.555 in this illustration.
http://chevy.oldcarmanualproject.com/parts/1929_54/220.htm
part number 591448 http://chevy.oldcarmanualproject.com/parts/1929_54/275.htm
Thanks in advance
, Steve

Last edited by sstock; 01/20/2018 12:11 AM.

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