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QA1 lower control arm kit for 1971–1986 C20/C30 and 1987–1991 R20/R30 trucks replaces outdated factory arms with a stronger, lighter assembly built for street or pro-touring applications. These arms pair with stock springs and include QA1's maintenance-free Ultimate Ball Joints. Improved geometry, low-friction bushings, and optimized strength-to-weight help handling and longevity. Installation is designed to be straightforward and the parts are made in the USA.
QA1 71-86 Chevrolet C20/C30 87-91 R20/R30 Control Arm Kit Lower OE Spring
