Coil-Over Conversion Kit, 63-87 C10, Front, Single Adjustable, Small Block. Includes 2 Phantom Series - single adjustable coilover shocks, 650 lb. Aldan springs, POL upper and lower tubular control arms, ball joints, brackets, hardware and more. This complete kit is designed to work with factory truck crossmembers and will convert front suspensions to fully adjustable coilover shocks with tubular control arms. Made in USA.