3972178


3972178 - Mechanical Flat Tappet


This mechanical flat tappet is used on the 70-71 Corvette and Camaro LT-1. It is a good all around street mechanical cam (ID#3972182). The duration at lash point in degrees (intake/exhaust) is 300/312; duration at .050" tappet lift (intake/exhaust) is 242/254; and maximum lift with 1.5:1 rocker ratio (intake/exhaust) is 435/455. Valve lash is 024/030 and lobe centerline is 116 degrees.