BOXI 2 Pcs Trunk Lift Supports Struts For Cadillac CTS 2004 - 2007 Trunk SG430087,6404,15911948 Vehicle Location - Trunk Extended Length [in] 11.50, Compressed Length [in] 7.87 BOXI Auto Parts is THE MANUFACTURER and THE ONLY RESELLER of BOXI Lift Support ON Amazon. *** IMPORTANT*** TO VERIFY FITMENT. Please See Product Description Below or contact us and provide THE YEAR / MAKE / MODEL OF YOUR CAR.