Good read from 2018....
https://forums.maxperformanceinc.com...bushing&page=2
Energy Suspension sells a BLACK Poly bushing in a "kit" for the Bar ( bottom of lower link) This bushing has lips on the edges which keep it in place. works better than an original once lubed. When WS-6 was introduced in second gen Birds the anti sway bar bushings in POLY was part of the package..