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This replaces your OEM factory arm with a billet upper control arm. It corrects and improves castor, geometry, and increases usable wheel travel. Uses FK heim joints along with a 1in. FK uniball, and high strength 12-point hardware. Sold as a pair.


*Works with 16.5-18 GM 1500 models with aluminum spindles.




16.5-18 GM 1500 OEM Billet Replacement Upper Control Arm