The King Shocks 4.25-inch inner-diameter coil spring is a single coil designed for coilover and suspension use, specified with a 22-inch free length and a 550 lb load value for substantial support. It helps tune ride height and spring firmness where a 4.25 in ID spring is required; pick the correct length and load to pair with your shocks and tailor handling and load support to your vehicle.
King Shocks 4.25 ID Coil Springs 22 x 550lb