Yup...go get your axles pulled, and get rid of those spacers on track!!! They just put undue stress on your diff with all that extra track width, and no extra tire width.
There will always be some movement- it's a C-Clip live axle after all...
2002 C5 Z51. MCS 2WNR TT2 coilovers, 18x11 Forgestars, 315's, yada yada. Built Z06 T56. Bolt ons. Coming soon to a CAM event near you.
2013 F150 6.2L. 9mpg.