4130 chromoly tubular upper control arms with 1" I.D. uniballs (heat-treated stainless ball & race, PTFE-lined). CNC tapered spindle adapters convert the factory ball joint to a uniball. Urethane bushings, zerk-fittable pivots, 3-stage powder coat, complete Grade 8 hardware. Hand crafted in the USA.
Note: Does not fit ZR2 models.
Fits: 2015-2021 Chevrolet Colorado / GMC Canyon. Part #77504.