BOXI 2pcs Liftgate Gas Charged Lift Support Strut Shocks Spring Dampers For Lincoln Navigator 2003-2006 AL1Z78404E48A Lincoln Navigator 2003 - 2006 Liftgate Extended Length [in] 22.26 Compressed Length [in] 17.35 Limited LifeTime Warranty On All Our Lift Supports BOXI Auto Parts is THE MANUFACTURER and THE ONLY RESELLER of BOXI Lift Support ON Amazon. *** IMPORTANT*** TO VERIFY FITMENT. Please See Product Description.