The ACDelco Advantage Suspension Control Arm and Ball Joint Assembly is a dependable quality aftermarket assembly offered at a competitive price. Product Features:Dependable and economical replacementHighly competitive priceProvides the performance you expect from ACDelco, at an economical priceBearings are metal-on-metal or full synthetic polymer for better handling through reduced end play and lower rotating torqueFull-ball type studs use cold-formed manufacturing to reduce imperfections and hold the tightest of tolerancesLight-weight construction to meet application requirements