hey i have solid motor mounts(payed 50 for the pair), solid tranny mounts(paid 30 for the pair), and solid rear diff mount(paid 80), and i love it. i dont get much vibration at all and there maid of aircraft aluminum, theres a guy in ft worth tx that makes them and will ship them to whereever, he uses the screenname scalliwag, and is usually on the vintagerotary forum page, check him out he makes other rotary things too