[Vehicle Fitment]: Compatible with Hyundai Sonata 1998-2005, XG300 2001, XG350 2002-2005; Compatible with Kia Amanti 2004-2006, Optima 2001-2006, Magentis 2001-2006 --- Non-Adjustable Type
[Installation Position]: Front Upper Left and Right, Driver and Passenger Side
[Professional Replacement]: This ball joint is replacement for above model's suspension system, and may help you resolve those problems: ① loose or shaky steering ② strange squeaky and clunky noises from suspension ③ uneven tire wear ④ steering wheel drifting to one side !!!!