Megan Racing Lexus LS400/UCF10 (1989-1994) Rear Trailing ArmMegan Racing Rear Trailing Arm Lexus LS400 UCF10 (1989 1994) High Strength Steel Alloy designed to be light weight yet durable These trailing arms allow the adjustment of Caster in the rear wheels which can drastically affect the responsiveness of the car during hard cornering or drift. The Pillow ball ends to replace the OEM soft rubber bushings which absorb too much energy that is then wasted the result is a more direct feel with no energy lost in