Looseness or Steering Play in some vehicle steering systems can often be attributed to a component known as a bell crank or idler, which supports the steering linkage.Original equipment designs utilize common sleeve bushings, which often wear out prematurely and cannot be adjusted for side play. In contrast, the SuperSteer bell cranks/idlers utilize tapered roller bearings, which are far better at carrying load. They can also be adjusted to achieve precise movement.. High-quality tapered roller bearings that remain tight with no side-to-side or vertical movement. Cognito 11-24 Chevy/GMC Silverado/Sierra 2500/3500 HD 2WD/4WD Supersteer Idler Arm Support. Rugged high-strength casting, steel spindle and tapered roller bearings. SuperSteer Idler Arm Support 2011-2020 GM 2500HD/3500HD 2WD/4WD Trucks. Replaces and, as a result, outlasts the OEM bell crank many times over. Provides tighter control of steering, especially on narrow roads. Greased-packed and sealed roller bearings and spindle. Reduces road wander, rut tracking and driver fatigue. Helps to eliminate Steering Play- extends tire life. Also reduces steering road wander and rut tracking. Bolt-in replacement for the original component. Design provides for end and side adjustment. Hi-Tensile strength casting. Limited Lifetime Warranty. Increases overall safety. Improved Returnability. Steering Idler Arm

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