Lift Supports,ECCPP Rear Trunk Lid Lift Support Struts Gas Springs Shocks for 2004-2007 Cadillac CTS Compatible with 6404 Strut Set of 2 FITMENT - Struts shock lift supports prop rods for 2004 2005 2006 2007 Cadillac CTS Compatible with 6404 lift support strut QUALITY - Rust-resistant Nitride corrosion resistant piston rod extends product life, Multi-Lobe Seal make gas springs more tolerant to vibration and extreme temperature, 100% brand new and tested to meet or exceed OEM specifications FUNCTION - Use compressed gas, contained in a cylinder and compressed by a piston, to exert a force to support the weight of front hood or rear liftgate tailgate trunk hatchback doors while they are open, no need to hold the door up with your head EASY INSTALLATION - Easy to install with simple hand tools in just minutes - no special tools required for installation NOTICE - Please check the description and compatibility chart before your purchasing. We provide ONE YEAR WARRANTY for all our lift supports. Please contact us if you have any question