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ARP main stud kit H502 for BBC 4-bolt main applications. This stud kit supplies hardened main studs and associated fasteners intended to secure the engine's main caps in high-stress or high-load rebuilds. Use these ARP studs when rebuilding a BBC-block engine that requires 4-bolt main reinforcement to maintain main-cap clamp and assembly integrity.
ARP H502 BBC 4 Bolt Main Stud Kit
