UMI Race adjustable upper control arms for 1973–1987 GM C10 feature race-quality adjustable rod ends to change camber and caster, often without shims. Tall ball joints improve camber gain, and the arms install as a direct bolt-in with included hardware. Built for race and high-performance use, they are manufactured in the USA to support precise alignment tuning.
UMI Performance 73-87 GM C10 Race Upper Control Arms - Black