S&amp,S Cycle 508 Camshaft 330-0093 Manufacturer Part No: 330-0093 S&amp;S camshafts and other related valve train parts go through extensive dyno testing and usage on the track and street Bolt-in cam intended for stock engines with less than 10:1 compression ratio Quiet valvetrain with excellent low/mid range torque for touring and 2 up riding Intake Opening (degrees): 11