These ARP chromoly 7/16-20 x 1.500 12-point bolts in a black oxide finish are supplied as high-strength fasteners for assemblies that accept 7/16-20 hardware. The 12-point head form accepts suitable sockets and the chromoly construction named in the product identity indicates a focus on stronger-than-standard fastener performance where original equipment replacement or upgraded hardware is required.
ARP 7/16-20 X 1.500 1/2 12pt black oxide bolts