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The Zone Offroad Adventure Series cast upper control arm replaces factory arms on 2019–2021 GM 1500 trucks, providing increased travel and strength. Constructed from cast ductile iron with CNC-machined ball joint and bushing mounts, these arms use OE-style rubber bushings for a quiet ride and include greaseable ball joints with protective caps. They arrive fully assembled for a straightforward replacement that improves suspension robustness.
Zone Offroad 19-21 GM 1500 Zone Cast Upper Control Arm
