Moog 5237 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 General Motors products from 1964 - 1966 Spring size: Inside Diameter 5.580", Bar Diameter 0.531", Installed Height 8.50" Load rating: 703 lbs. One tangential and one pigtail end All coil springs meet or exceed OEM (original equipment manufacturers) standards