Bought them on Ebay for $90. Here's the front pic. I know weld into floor pan connectors are better but these really did tighten the feel of a 40 yr old car and reduced road/body noise also.

6212606-IMAG0001.jpg (99 downloads)
1970 FE5 Duster 360/904/3.91's SOLD 1973 TB3 SpaceDuster 340/4spd/4.10's SOLD Moparless for now but when the opportunity is right I'll have another one.