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These ARP stainless steel bolts are specified as 5/16-18 x 4.375 in a 12-point head configuration. Supplied as individual fasteners for fabrication or assembly tasks, the description lists the thread pitch and length plus the 12-point head form and stainless steel material, providing the exact hardware dimensions for projects that require these specific ARP fasteners.
ARP 5/16-18 X 4.375 12pt SS Bolts
