Control arms often don’t fail on their own, although their associated bushings can break or wear causing a clunk noise when your Lexus LS 400 goes over bumps or changes speed rapidly—whether braking or under hard acceleration.

A Double Offset kit is used for enhanced handling performance and will deliver positive caster to both sides of the vehicle.
The vehicle will have improved directional stability, crisper, more responsive steering and improved 'return to centre' feel.
This is a non tire wearing geometry change that has a substantial effect on a vehicles handling characteristics.