1999-2018 GM 1500 Uniball Pin Hardware Kit for Upper Control Arms W/ OE Cast Steel Control Arms (HP9227)Description Note: (for Upper Control Arms W OE Cast Steel Control Arms) Cognito Uniball pin and hardware kit specifically engineered for Cognito Uniball upper control arms on GM 1500 vehicles with factory cast steel control arms. This kit provides the necessary hardware, including a uniball pin, for mounting and attaching the control arm to a vehicle's suspension system. Cognito dominates the industry with top tier design and manufacturing of