Skyjacker 2011-2017 GMC Sierra 3500 HD 4 Wheel Drive Steering Damper Kit Suspension>Bump Stops A calibration plug is set

A calibration plug is set to the factory oil level to prevent overfilling

providing everything needed for a secure and professional installation right out of the box

We decided to reuse the factory-style flange and gasket for reliability and long-term performance

You'll find yourself wheeling with a whole new level of confidence

Skyjacker 2011-2017 GMC Sierra 3500 HD 4 Wheel Drive Steering Damper Kit Suspension>Bump Stops A calibration plug is setThese great stabilizers dampen out the harshness of the highway, the 'shimmy' from running the additional weight of larger tires and wheels and places control back into the driver's hands. Stabilizers also reduce the fatigue of the driver on a personal level by reducing the amount of physical strength it takes to guide those larger tires on and off the road. Changing the weak stock unit for a better performing replacement or adding dual steering