Sway bar kit best options?

autoxcuda said

Here's a Hotchkis with 73-76 Kmember in my Barracuda that I have on the car currently

View attachment 1716225444

View attachment 1716225445

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is there a preference on spool k member vs earlier. I prefer the design of 73-76 but what about the spool design motor mounts vs earlier motor mounts. What holds up better?