ARP chromoly 5/16-24 x 4.875 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 offers compact clearance for confined assemblies. Use this bolt when a 5/16-24 thread and 4.875-inch length are specified for fabrication, maintenance, or custom fastening needs.
ARP 5/16-24 X 4.875 12pt black oxide bolts