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ARP chromoly bolts, 1/2-13 x 3.75 in, are supplied as a 5-piece pack with a black oxide finish and 12-point heads for high-torque fastening. These bolts are specified in the catalog as chromoly hardware sized for common automotive applications where a 12-point drive and a longer 3.75" shank are needed. Sold as a set, they provide a standardized fastener solution for fabrication and repair.
ARP 1/2in - 13 x 3.75in 12pt Black Oxide Bolts (5/pkg)
