Fitment - Compatible with Chevy Silverado 2500HD/Fit Chevy Silverado 3500 3500HD Pickup/Cab & Chassis/Fit GMC Sierra 2500HD/Fit GMC Sierra 3500HD Pickup/Cab & Chassis – 2/4WD 2011-2019.
UNIQUE DESIGN: This SES suspension upgrade replaces the bump stops on the frame. Its unique design ensures superior ride quality – both loading and unloading. (There should be a ½” to 1 ½” gap between rubber spring and axle to ensure unloaded ride quality.)
FEATURES: We designed hollow rubber springs to provide progressive spring rates. Our hollow rubber springs are self-adjusting to maintain vehicle level at all times.
PACKAGE INCLUDES: 2X Rear Suspension Helper Spring Kit.
Easy To Install:Direct Replacement, easy installation. Professional installation is highly recommended.