SuperPro Front Control Arm Upper-Inner Bushing Kit | 1990 Lexus LS400 (SPF1352K)Superpro Front Control Arm Upper Inner Bushing Kit 1990 Lexus LS400 Part #: SPF1352K Overview The SuperPro Front Control Arm Upper Inner Bushing Kit is designed to restore and improve the handling and stability of your 1990 Lexus LS400. Over time, rubber bushings in the control arms can wear out, leading to compromised wheel alignment, increased tire wear, and diminished driving confidence. This kit provides a direct replacement solution that helps