Originally Posted by jimgmc
I think this is what you are looking for.

According to the leaf spring data manual #10
Front leaf bushing S.E -TB7, L.E - HEC
Rear leaf bushing S.E. and L.E. - LHE

Front Bolt 3657393, PIN 3653273?
Chevs of the 40s

Chevs of the 40s

Rear Pins 3656669
Mixer and Plant Parts

TruckSpring

Check all part numbers at GM PARTS WIKI
GM PARTS WIKI


That's great info!
I was able to source everything BUT the front shackles(they had the pins) from Eaton Detroit Spring. It wasn't cheap, but the service was top notch.

Marty