Powerflex USA - Nissan 240SX / 300ZX / Skyline Rear Upper Arm Bushing - Camber AdjustablePFR46 204G are on car adjustable bushings to replace all the rear upper arm bushings allowing camber adjustment of + 1. 5 deg. PFR46 204 are non adjustable. Fits all Skyline R32 R33 R34 Models excluding HICAS. Fits all S13 S14 S15 Models excluding HICAS. Stock rubber control arm bushings give a disconnected and mushy feel to the front suspension, especially when worn, as the bushing deflects more than it should. You get sloppy steering, vibrations,