XRAY SPRING-SET D=1.7 (25 LB) C=3.6 BLACK (4)

For even more fine tuning of suspension dampening, XRAY offers an additional ultra-fine tuning springs in addition to the basic XRAY springs. The ultra-fine tuning springs have different damping and compression characteristics that fall between the range of the basic springs. All 4 springs within the set have the same length and damping characteristics.