Manufactured by MaxTrac Suspension | 401500 | 2007-18 Silverado/Sierra 1500 Rear Lowering Shock Extenders, For Use In Conjunction W/ 4"-7.5" Rear Drop - These Can Be Used In Lieu Of Changing Out Your Shocks And Will Work With The Factory Autoride/Magneride Shocks, Maxtrac provides shocks and struts for all of their suspension systems, no matter whether lifted, leveled or lowered. Product information updated on 2023-01-30
