All of this is on a 51 cranbrook, factory stock everything. I did a spring change because during the brake job I noticed the right one had the bottom coil broken off and wedged in there, I dont know when it happened but it was obvious I needed a set of springs and the search was on. I installed a set of the Moog cc850 coil springs. They were 2.5" shorter than the factory springs but they had the car nose up to stock height anyways. Definitely firmer than the stock soft floaters. My basic revie