Dynocam Billet Camshaft offers many different Cams in different cores (lengths) and in different profiles to fit your needs. The Camshafts are available in two different core lengths. A standard (or short) care cam measures 4.480″ from end to end. A long (or extended) core Cam measures 4.680″ from end to end, and is usually found in bigger motors such as Rhinos or Terminators. These Cams have 7 bolts for the Cam gear. Please choose your core and profile camshaft.