406 - PBM Performance - BBC - Merlin Aluminum, Dart Pro 1 Heads - 1pc design - 7/16" Stud
Out of Stock
Stud Girdles help eliminate stud movement that changes valve actuation, due to flex and angle changes. PBM stud girdles are made from 6061-T6 aluminum for maximum durability.
WARNING: May Cause Cancer and Reproductive Harm - www.P65Warnings.ca.gov