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ARP chromoly 5/16-24 x 3.875 12-point black oxide bolt is a single chromoly fastener with a black oxide finish. Its 12-point head mates with standard 12-point sockets and helps with compact access in assemblies. Use this part when a 5/16-24 thread and a 3.875-inch length are required for fabrication, maintenance, or custom builds.
ARP 5/16-24 X 3.875 12pt black oxide bolts
