These parts are from a 72 Stage-1. The valves are stock GM along with the springs and cam. Asking $300.00 OBO .
What is the measured diameter of the valves? Is there a machined groove on the land just behind the #1 cam bearing position? A closer picture of the cam would help.
Picture as requested. Valves are stock 1972 Stage-1 valves. These parts are from an original numbers matching car. .