I think it really dependson the miles and use. I've seen many that didn't need shims but some do. Just wanted to be sure you were prepared in case you do need them. As I'm sure the wait would be a couple days.
JB4, DP, VMR V710, Sonic Tuning S1 coilovers, Hybrid Ovations, Soundsplinter 10" and Zapco DC Ref amps