ARP 5/16-24 x 2.625 12‑point black oxide chromoly bolts are listed for applications needing a 2.625" length with 5/16-24 threading and a 12‑point head. The item is described as chromoly with a black oxide finish at the specified length. Select this bolt when assemblies require that exact thread size, length, and 12‑point head geometry for proper fit.
ARP 5/16-24 X 2.625 12pt black oxide bolts