The Superlift Fox shock box for 2011–2019 Chevrolet Silverado/GMC Sierra 2500 HD includes front and rear shocks listed for 4–6in lift kits and is offered as the vehicle-matched four-shock package in the product description. The overview reflects the Fox shock hardware and the lift range specified without extrapolating beyond the supplied fitment.
Superlift 11-19 Chevy Silverado 2500HD Fox Shock Box - 4-6in Lift Kit Front and Rear Shocks