Ultimate-match front side coil shock springs for pan car front side suspension with 4mm king pin axle offer one more range of choices to fine-tune your car. Powder color-coded for quick & easy identification. Silver color. Pair of 2. Developed through extensive screening and racing experience. Stiffness is controlled by the thickness associated with cable and in addition by the amount of coils; softer springs have a lowered "C" value, while stiffer springs have actually a greater "C" value.
