S&S Cycle - 330-0643
Type: 550C Rear; Timing Open: Intake 3.1º/Exhaust 59.4º; Timing Closed: Intake 31.1º/Exhaust 38.4º; Duration at 0.053: Intake 214.2º/Exhaust 277.8º; Valve Lift : Intake 0.550"/Exhaust 0.550"; Lift at TDC: Intake 0.099"/Exhaust 0.264"
550C is an ideal Horsepower Cam for 114 and larger engines.