'65 Coronet rear leaf spring rebuild

I've begun to put things back together.....at least making an attempt. I have torn down one of the rear leaf springs, with the intent of "rebuilding" the springs. This is not a race car, and I think I'll be happy with the stock 5 leaf springs with a good rear shock.

I see several rebuild kits on the market, ebay etc. for the '66 and newer, but nothing for the '65 Coronet. AND, the pricing is or appears to be pretty darn high for a couple bolts, four spring wraps, and some insulators. Has anyone found a vendor that sells "kits" to rebuild the rear leaf springs for the earlier Coronets?

Thanks