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This ARP hardware set contains five 5/16‑18 x 2.500in 12‑point bolts finished in black oxide. Offered as a matched five‑bolt set, these 12‑point fasteners suit fabrication and assembly tasks that require the specified thread size, length, and head profile. The black oxide finish provides a uniform appearance while the 12‑point head form is compatible with 12‑point sockets and drive tools used in assembly work.
ARP 5/16in-18 x 2.500in 12pt Black Oxide Bolts (Set of 5)
