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This ARP main stud kit is specified for the Ford 351W with 4-bolt main caps and supplies the studs needed to secure the engine's crankshaft main caps. Intended for engine rebuilds or performance short-block assemblies, the kit provides a direct-fit replacement in applications calling for 4-bolt main reinforcement on 351W Ford blocks and supports proper main-cap clamping during assembly.
ARP Ford 351W 4-bolt Main Stud Kit
