Moog CC817 Coil Spring Set Variable rate coil springs maintain proper chassis ride height and smooth ride Ideal for family transportation, work trucks and sales fleet vehicles Powder-coated to protect against corrosion Worn or sagging coil springs can cause premature tire wear due to vehicle misalignment Fits 1979 - 1991 Ford vehicles Spring size: Inside Diameter 5.05", Bar Diameter .625", Installed Height 11.63" Load rating: 711 lbs. Pigtail ends All coil springs meet or exceed OEM (original equipment manufacturers) standards