Camshaft Types There are two noteworthy kinds of camshafts: Flat Type and Roller Cams. Level Tappet (lifters) are in most V8’s and actually have what resembles a level base where the cam projection contacts the tappet (lifter). Lifters are not in reality level on the contact surface. They do have a slight bend, however, it’s difficult to see. Roller Cams…