Moog CC866 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 Use on select 1989 - 1997 Ford vehicles Spring size: Inside Diameter 3.5", Bar Diameter .687", Installed Height 10.5" Load rating: 1650 lbs. One square and one pigtail end All coil springs meet or exceed OEM (original equipment manufacturers) standards