S&S Cycle 33-5181 640G Gear Drive Camshaft Kit

Designed for engines of 95in. or more with compression ratios between 10.5:1 and 11.5:1 used in S&S 124in. engines. Strongest from 3,000-6,000 rpm. High-lift springs required. Intake Opening (degrees): 25. Intake Closing (degrees): 60. Exhaust Opening (degrees): 65. Exhaust Closing (degrees): 25. Intake Duration (degrees): 265. Exhaust Duration (degrees): 270. Valve Lift (in): .640. Intake Centerline (degrees): 107.5. Exhaust Centerline (degrees): 110. Intake Lift at TDC (in): .228. Exhaust Lift at TDC (in): .214.