XRAY 372191 Front Coil Spring for 4mm PIN C=0.9 Silver (2)
Ultra soft front coil springs for pan car front suspension with 4mm king pin axle offer an additional range of choices to fine-tune your car. The super soft springs are used for more forgiving handling and improve mid cornering. Powder color-coded for quick & easy identification. Gold color. Set of 2. Developed through extensive testing and racing experience. Stiffness is controlled by the thickness of the wire and by the number of coils; softer springs have a lower value"