Description
All Howards camshafts use the highest grade cores available. They are Rockwell checked and Parkerized to ensure quality control standards.
This 1955-1981 Pontiac V8 265-455 cam is designed for Mild rough idle, Street/strip, Strong mid-range performance, Stock (O.E.) valve springs cannot be used, Firing Order: 1-8-4-3-6-5-7-2
