maxmum lift .550 in, installed at 1.750 in, guide od .530 in, 16 x valve springs, inc 16 x dampers, 16 x retainers, 32 x locks, 16 x viton .530 stem seals, outer spring diameter 1.260 inch, spring rate 358 lbs.in, inner diameter of outer spring .875. in steel 7 degrees locks single groove steel retainers viton stem seals .530.in 3 installed hight 1.750 seat pressure at installed hight 125 lbs open hight 1.200 in open pressure 325 lbs
