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 a 5/16-18 UNC thread pitch and 3 1/4" under-head length, including the 2 1/4" long grip (unthreaded portion). The 12-point head takes a small 3/8" wrench, but has a full-size 5/8" diameter bearing surface. Head measures 0.30" high.
