Gevog Rear Tailgate Trunk Liftgate Gas Lift Support Struts Spring Shocks for 04-07 Cadillac Cts Item-Offered: 1pc Rear Left Lift Support and 1pc Rear Right Lift Support Position: Rear Left & Rear Right Parameters: Extended length: 11.61"; Compressed Length: 6.5"; Weigh: 0.57 lbs (double lift supports) Material: Made from High Quality Steel Always Replace Both Lift Supports to Ensure Top Performance and to Prevent Twisting Caused by Uneven Loading