DodgeCoronet.com

Laysons sells rubber front sway bar bushings. Triangle ones at frame . 
https://www.laysons.com/SearchPartNumber.cfm

Link doesn't work without the part number to enter.  These are for a 67,  double check your year to make sure get right one.

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gotta love Laysons... they sell them to fit a 64-99 B-body

Thanks, I ordered some for a customer project. I let you know how it fits.