The FAM shows those brackets as an angle affair riveted just outboard of the frame at the hump. On my '51 frame, the bump stops just bolt to the bottom flange of the frame above the axle (without any brackets.)
Maybe someone could measure theirs for you so you could get them fabbed up. Or post in the Parts wanted forum and see if someone has a frame they're parting out.


Kevin
1951 Chevy 3100 work truck
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1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car)
Busting rust since the mid-60's
If you're smart enough to take it apart, you darn well better be smart enough to put it back together.