Two Rear Hatch Liftgate Gas Charged Lift Supports For 2002-2004 Oldsmobile Bravada, 2004-2007 Buick Rainer, 2002-2009 Chevrolet Trailblazer, 2002-2009 GMC Envoy, 2005-2009 Saab 9-7x, 2003-2008 Isuzu Ascender. Short Wheel Base Models Only Will not Work On XL/EXT. Left or Right Side. WGS-150-2 Unlimited 3 Year Warranty Lifetime Warranty on all Components OEM Quality Replacement Individually Tested For Performance and Reliability Will Not Work On Long Wheel Base XL or EXT Models