http://www.034motorsport.com/advanced_search_result.php?keywords=density&x=37&y=10&categories_id=&inc_subcat=1&manufacturers_id=&pfrom=&pto=&dfrom=&dto= Had these mounts on my S2 bloody brillant, will lock your engine in place no probs.. might have some vibration depend on what hardeness you pick but its not nasty even on th track densitys..