Moog CC648 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 Fits 1988 - 1995 GM vehicles Spring size: Inside Diameter 4.056", Bar Diameter .875", Installed Height 12.75" Load rating: 2300 lbs. One square and one tangential end All coil springs meet or exceed OEM (original equipment manufacturers) standards