maxmum lift .550 i 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
