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ARP 1/2-13 x 4.500 chromoly 12-point bolt with black oxide finish is a specific-length fastener for fabrication and assembly use. The 4.500-inch length combined with 1/2-13 threading ensures the required dimensional fit. Its 12-point head works with corresponding sockets, and the chromoly construction plus black oxide finish provide the described head style and appearance for repairs, custom builds, and assembly.
ARP 1/2-13 x 4.500 12pt black oxide bolts
