Moog 5246 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 1965 - 1970 Spring size: Inside Diameter 3.630", Bar Diameter 0.625", Installed Height 11" Load rating: 1872 lbs. Tangential ends All coil springs meet or exceed OEM (original equipment manufacturers) standards