Moog 5660 Coil Spring Set Powder-coated to protect against corrosion Designed to lower stresses for longer service life All coil springs are 1% load tested Worn or sagging coil springs can cause premature tire wear due to vehicle misalignment Use on General Motors products from 1982 - 1995 Spring size: Inside Diameter 4.085", Bar Diameter .75", Installed Height 10.75" Load rating: 1690 lbs. One square and one tangential end All coil springs meet or exceed OEM (original equipment manufacturers) standards