ProForged Drop Style Pitman Arms are Designed to Replace Factory Arms when Lifting Vehicle 2.5" or More (see specific vehicle application data for details). Helps to Reduce Bump Steer and Improve Handling. The Idler Arm and Pitman Arm are two of the most commonly worn steering components. Poorly designed joints from the factory quickly loosen and cause excessive play in the steering. Proforged Idler and Pitman Arms are built to strict tolerances using the latest innovations in steering technology, ensuring crisp, predictable handling. Laboratory tested and proven in the real world, Proforged Idler and Pitman Arms feature improved design over the competition for increased longevity and durability, even in the most demanding conditions.