S&S Cycle 2017+ Water Cooled M8 Models Chain Drive 550C Cam Chest Kit w/ Chrome Pushrod Tubes - 310-1080B

550C Rear, Duration at 0.053: 214.2º/277.8º, Lift at TDC: .099"/.264", Timing Open: 3.1º/59.4º, Timing Closed: 31.1º/38.4º, Valve Lift: .550"/.550"