S&S Cycle 2006 BT Dyna 640C Chain Drive Camshaft Kit

Type: 640C; Timing Open: Intake 25º/Exhaust 65º; Timing Closed: Intake 60º/Exhaust 25º; Duration at 0.053: Intake 265º/Exhaust 270º; Valve Lift : Intake 0.640"/Exhaust 0.640"; Lift at TDC: Intake 0.228"/Exhaust 0.214"

S&S 640C Chain Drive camshaft kit is a great way to increase performance at an affordable price. This cam is designed for engines of 95 inch or more with compression ratios between 10.5:1 and 11.5:1 used in S&S 124 inch engines