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This ARP main stud is specified as an M10 x 4.125 in with 1.25/1.50 broach, sold as a single stud for main cap installation. It provides a direct‑spec replacement stud for engines requiring that length and thread broach configuration, useful when rebuilding or replacing individual main studs to restore proper crankshaft retention in compatible engine applications.
ARP M10 x 4.125in - 1.25/1.50 Broach Main Stud (one stud)
