Liftgate Lift Supports/Gas Charged Liftgate Shocks for 2002-2009 GMC Envoy/Buick Rainier/Chevrolet Trailblazer/Isuzu Ascender/Oldsmobile Bravada/Saab 9-7X, 4573 Exact fit original equipment design ensures easy installation and precise operation 2 pieces per package. Vehicle Location: Liftgate Perfect fits Buick | Chevrolet | GMC | Isuzu | Oldsmobile | Saab Extended Length A [in]:20.10,Compressed Length B [in]:13.60,Stroke C [in]:6.50 We provide 30 days money back guarantee for any reason and 18 months warranty(replace or refund) plus lifetime technical support. Extended Length A [in]: 20.10 Compressed Length B [in]: 13.60 Stroke C [in]: 6.50