ECCPP 2pcs Front Hood Lift Support Struts Prop Rods Shocks for 1997-2006 Ford Expedition,1995-2004 Ford F-150 Ford F-250 Compatible with 4478 lift support struts FITMENT - Lift supports struts rods shocks for 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 Ford Expedition, 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 Ford F-150 F-250 compatible with 4478 SG404016 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 OE quality design 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 headensures easy installation and precise operation SPECIFICATIONS - Vehicle Location:Hood.Placement on Vehicle:Front Left and Right.Actual Extended Length:13.30".Actual Compressed Length: 9.40" 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