Brand: Automotive Racing Products (ARP)
These high-strength ARP bolts are great for installing most accessories. The 170,000 psi tensile strength bolts are made of stainless steel with a polished, corrosion-resistant finish. Pack of 5 bolts includes matching washers.
These bolts have 7/16-20 UNF threads and a 2 3/4" under-head length, including the 1 1/2" long grip (unthreaded portion). The 12-point head takes a small 7/16" wrench, but has a 0.67" diameter bearing surface*. Head measures 0.40" high.
* Standard AN960-716 flat washers have a 0.75" OD.