Does a HD rear spring/shackle hanger exist for a 68 Dart?

Hello,

I am in the process of upgrdaing my 68 GTS to offset spring hangers, cal tracs and a j60-15 rear tire. Does anyone make a rear spring hanger that is more stout than the flimsy OEM part? I looked at the Mopar Performance replacements online and they dont look much better than stock.

Normally I use AFCO sliders however this job is a bolt in only deal.

If nothing exists I will do some welding on a stock set off of my parts car.

Thank you for any insight. Also adding a picture of the tire I want to use (28x11.50 MT ET Street bias) vs. the venerable M&H muscle car bias ply in j60-15.

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