Moog 8582 Coil Spring Set Powder-coated to protect against corrosion Designed to lower stresses for longer service life All coil springs are 100% load tested Worn or sagging coil springs can cause premature tire wear due to vehicle misalignment Use on select Ford 1977 - 1978 vehicles Spring size: Inside Diameter 3.51", Bar Diameter .578", Installed Height 9.5" Load rating: 1400 lbs. One square and one tangential end All coil springs meet or exceed OEM (original equipment manufacturers) standards