Moog CC784 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 1986 - 1991 Jeep vehicles Spring size: Inside Diameter 4", Bar Diameter .578", Installed Height 15" Load rating: 561 lbs. One tangential and one pigtail end All coil springs meet or exceed OEM (original equipment manufacturers) standards