I just replaced both shackle assembly’s on my 52’ 1/2 ton. They are available at Classic Parts, LMC or other online retailers. The hardest part is removal and replacing the bushings in the springs. I made a home made tool I copied from chev235guy. Worked like a charm!

http://chev235guy.blogspot.com/search/label/Spring%20Shackle%20Bushing%20Replacement


Phil
Moderator, The Engine Shop, Interiors and Project Journals

1952 Chevrolet 3100, Three on the Tree, 4:11 torque tube
Updated to: ‘59 235 w/hydraulic lifters, 12v w/alternator, HEI, PCV and Power front Disc Brakes
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