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This ARP main stud kit is specified for Pontiac 400–455 engines with two-bolt mains and supplies engine builders with dedicated studs for securing the crankshaft main caps. Intended as an OEM-replacement or upgrade when assembling these Pontiac big-block engines, the kit provides properly sized fasteners to support reliable main cap clamping during rebuilds and performance builds.
ARP Pontiac 400-455 2-Bolt Main Stud Kit
