S&S Cycle 33-5080 631 Camshaft

For high RPM applications in all street and racing engines with 11:1 and higher compression ratios. Develops maximum performance from about 4500 RPM on up. Great performance cam, but expect more wear and tear on valve train components. Valve spring spacing and other normal clearance checks required. Intake Opening (degrees): 34. Intake Closing (degrees): 61. Exhaust Opening (degrees): 66. Exhaust Closing (degrees): 29. Intake Duration (degrees): 275. Exhaust Duration (degrees): 275. Intake Lift (in): .630. Exhaust Lift (in): .630. Intake Lift at TDC (in): .281. Exhaust Lift at TDC (in): .221. Spring spacing is required. For solid or hydraulic tappet.