Brand: Automotive Racing Products (ARP)
These high-strength ARP bolts are great for installing most accessories. The 180,000 psi tensile strength bolts are made of 8740 chrome moly with a black oxide finish. Pack of 5 bolts includes matching washers.
These bolts have a 3/8-24 UNF thread pitch and 3 1/4" under-head length, including the 2 1/4" long grip (unthreaded portion). The hex head takes a 7/16" wrench*, but has an oversized 0.70" diameter bearing surface**. Head measures 0.36" high.
* The 7/16" hex size matches the hex on 3/8-24 Jetnuts.
** Standard AN960-616 flat washers have a 0.625" OD.
