S&S Cycle 561 Camshaft
Works in all displacement Big Twin V2 with a variety of compression ratios.
Ideally suited for stock to 88in. engines with up to 11:1 compression, 96in. engines with 10:1 and 98in. engines and larger with no greater than 9.5 to 1 compression.
Moderate duration makes for great mid range performance.
Requires high lift springs and normal clearance checks.
Intake Opening (degrees): 32.
Intake Closing (degrees): 40.
Exhaust Opening (degrees): 50.
Exhaust Closing (degrees): 26.
Intake Duration (degrees): 252.
Exhaust Duration (degrees): 256.
Intake Lift (in): .560.
Exhaust Lift (in): .560.
Intake Lift at TDC (in): .252.
Exhaust Lift at TDC (in): .210.
Spring spacing is required.
For hydraulic tappet.