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  • 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

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