Devil -- Global West (Calif) made the Delrin UCA bushings for me a long time ago (~30+ years ago)... still a-ok!... and greasable.... not sure if GW still offers them or would make them for you.

Mopar Mitch "Road racers and autocrossers go in deeper and come out harder!"... and rain never stops us from having fun with our cars... in fact, it makes us better drivers! Check out MOPAR ACTION MAGAZINE, August 2006 issue for feature article and specs on my autocross T/A!