SuperSprings are patented self-adjusting suspension stabilizers engineered forvehicles with leaf spring rear suspension systems. SuperSprings by designprovide users extra load capacity and additional handling and control, bothwithout hardening the ride. SuperSprings install easily and quickly directlyover a vehicle’s existing rear leaf springs. They work in parrallel with thevehicle’s existing suspension system and “kick-in” on demand. This isaccomplished via SuperSprings patented tapered spring blade and rollingshackles. The increases in load carrying capacity helps to eliminate vehiclerear-end sag and improves towing capabilities. SuperSprings unique anti-swayproperties reduce body roll providing enhanced driver safety and control. Thesefeatures are most noticeable when cornering, encountering strong cross winds ordealing with wind buffeting from other traffic. Enjoy a more stable, secure andcontrollable ride with your SuperSprings installed. The SSA24 is a double bladespring with a rating of 4600 lbs. SSA24.5: Half Set (1) SSA24: Full Set (2) 4600 (lb) Capacity at 50% Compression Boost Load & Towing Capacity Without Compromising The Unloaded Ride Self-Adjusts Automatically To Accommodate Varying Size Loads Or No Load Reduces Vehicle Sway For More Driver Control Maintenance Free Very Easy Installation Cost And Time Savings Versus Rebuilding Spring Pack Call For Application 51″L x 3″W x 1.16″ Application(s) Summary: Make Model Year Drivetrain Chevrolet Express 4500 2009-2018 4 X 2 Chevrolet Silverado 3500 2001-2006 4 X 2 or 4 X 4 Chevrolet Silverado 3500 Classic 2007-2007 4 X 2 or 4 X 4 Chevrolet Silverado 3500 HD 2011-2025 4 X 2 or 4 X 4 Chevrolet Silverado 3500 HD 2007-2010 4 X 2 or 4 X 4 Dodge RAM 2500 2003-2007 4 X 2 or 4 X 4 Dodge RAM 3500 2003-2010 4 X 2 or 4 X 4 Dodge RAM 4500 2008-2010 4 X 2 or 4 X 4 Dodge RAM 5500 2008-2010 4 X 2 or 4 X 4 Ford F-350 Super Duty 2008-2010 4 X 2 or 4 X 4 Ford F-450 Super Duty 2011-2016 4 X 2 or 4 X 4 GMC Savana 4500 2009-2018 4 X 2 GMC Sierra 3500 2001-2006 4 X 2 or 4 X 4 GMC Sierra 3500 Classic 2007-2007 4 X 2 or 4 X 4 GMC Sierra 3500 HD 2011-2025 4 X 2 or 4 X 4 GMC Sierra 3500 HD 2007-2010 4 X 2 or 4 X 4 RAM 3500 2011-2025 4 X 2 or 4 X 4 th, td { padding-right: 20px; } .product-table-top { display: block; max-width: -moz-fit-content; max-width: fit-content; overflow-x: auto; white-space: nowrap; }