Rear spring U Bolts

Not sure the size, but you have to be careful.

They are tighter tolerance threads. If you chase them with a normal die then you will make them looser. Actually, you need to be careful with most fasteners on the A chassis because many are tighter tolerance. I hand clean all the threads with wire wheels and picks.

Do not try to chase threads on the nut, it is extremely hard. It will break a tap.

I strongly suggest that you use only original hardware here.
 
I've chased threads by taking a bolt and cutting a slot thru the threads with a dremmel tool, tapering the first few threads on a sander. Works pretty well if you are careful not to cross-thread it.
 
Thanks for all replies. I filed it with a jewelers file slowly and worked out well. Started with only hand tight. Just put a T spring in but I might have took out one to many leaves. Ill see how it rides if the rain stops.
Thanks again
Stan
 
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