FOX Performance Series shocks contain the latest in shock technology to transform the performance of your Truck or SUV. They use our race-proven damping control to provide a comfortable on-road ride and predictable off-road handling in even the toughest conditions. 99-ON Chevy HD Rear; PS; 2.0; IFP; 11.1/quot;; 4-6/quot; Lift Chevrolet Silverado & GMC Sierra 1500 HD 2001 - 2007 (Except 2004); Chevrolet Silverado & GMC Sierra 2500 HD: 1999 - 2019; Chevrolet Silverado & GMC Sierra 3500 HD: 2001 - 2019; Chevy Suburban & GMC Yukon XL 2500: 2000 - 2013; Chevrolet Avalanche 2500: 2002 - 2006; Hummer H2: 2003 - 2009
