Originally Posted by PowerFocer
So the bushings will break in?
Mine broke in after three months of driving. The worst vibes after it was broken in were from the steering column with a/c at idle.
Massive's bushings have the about same durometer (hardness) as CFM's race mount
ES bushings are the same as a CFM street mount, if I would've known about durometers I would've went with ES bushings the first time.