419 - PBM Performance - BBC - Pro Series - World Merlin Iron Heads, All w/ Std BBC Stud Spacing - 2pc design - 7/16" Stud - 1/4" Extra High-longer valves
Part #PBM419
each
Available
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
