Powerflex polyurethane bushings come in racing( black ) and street ( purple ) I have the purple ones on the swap bars and tension struts arms.
Can't...
Check out RP-342, after doing a lot of probing, that is the one I choose. I've been using it for a bit, it dries to the touch, but you can always dig...
'just an aside, I find Fluid Film to be quick, easy and effective to stop rust from spreading. It doesn't last forever but is easy enough to re-apply...