Moog CC247 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 Use on select 1986 - 1994 Nissan vehicles Spring size: Inside Diameter 4.07", Bar Diameter .562", Installed Height 9" Load rating: 566 lbs. One square and one tangential end All coil springs meet or exceed OEM (original equipment manufacturers) standards