QA1 Coilover Overhaul Kit 52611-S650With adjustable ride height and up to 5? drop with the use of popular drop spindles, these front control arm suspension kits for 63 87 C10 trucks help you find the right stance without the expense of buying a chassis or full front end. The coil over shocks are offered in single or double adjustable valving options and come with high travel springs available in three spring rate options. The upper and lower control arms together provide up to 7 degrees