Front coil-over conversion kit for 63-87 C10 trucks. Includes lower control arm, double adjustable shocks, high travel springs, upper bracket, and all hardware. QA1's C10 Front Pro Coil Systems include your choice of QA1's proven single or double adjustable coil-over shocks so you can change the valving to meet your specific needs, along with a variety of high travel spring rate options. These shocks allow for ride height adjustability and are 100% dyno tested and serialized. Coil-over hardware and all required nuts, bolts, etc. are included. Compatible with popular drop spindles, which will provide even more drop when used with this system.