BOXI Qty(2) Liftgate Lift Supports For Buick Rainier 04-07, Chevrolet Trailblazer 02-09, GMC Envoy 02-09, Isuzu Ascender 04-09, Oldsmobile Bravada 02-04, Saab 9-7 X 05-09 4573,SG330046 Fits: Buick Rainier 2004 - 2007, Chevrolet Trailblazer 2002 - 2009 Liftgate Excluding XL EXT LT (extended length body style) Fits: GMC Envoy 2002 - 2009, Isuzu Ascender 2004 - 2009, Oldsmobile Bravada 2002 - 2004, Saab 9 - 7X 2005 - 2009 Liftgate Excluding XL EXT LT (extended length body style) Extended Length [in] 20.10 Compressed Length [in] 13.60 *** IMPORTANT*** TO VERIFY FITMENT. Please See Product Description, BOXI Auto Parts is THE MANUFACTURER and THE ONLY RESELLER of BOXI Lift Support ON Amazon.