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The ARP chromoly bolt is a 3/8-24 x 2.500-inch 12-point fastener with a 7/16 wrenching interface and black oxide finish for fabrication and assembly use. Its chromoly construction and 12-point head accept standard 12-point sockets while the 7/16 wrenching option supports hand-tool installation. The black oxide surface provides a consistent dark look and basic protection.
ARP 3/8-24 x 2.500 12pt 7/16 wrenching black oxide bolts
