From u guys experience, what brand of the spring give the perfect lowering height? the 1 that i m using is juz nice (2 finger for front; 2 n half for rear), but the things is i forget the brand, and now both front n rear spring on the right side sagged (bcum lower than i 1st bought). i m planning 2 replaced it, but dunno wat brand to swap... pls give some advice.. thanx..