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404F - PBM Performance - SBF - AFR, Dart, World Aluminum Heads - 1pc design - 7/16" Stud

Part #PBM404F
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 -