Ultimate-match front part coil surprise springs for pan car front suspension system with 4mm master pin axle offer still another number of alternatives to fine-tune your car. Powder color-coded for fast & effortless recognition. Silver color. Range 2. Developed through considerable evaluating and racing experience. Stiffness is handled by the particular level about the cable and by simply exactly how many coils; softer springs have actually actually in reality less C" value