These high-strength metric 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. All bolts are packaged in sets of 5 bolts with matching washers. These bolts have a 8x1.25mm thread pitch and 30mm under-head length (8mm grip length).
The ARP 300-Series 12-Point M8x1.25 Nuts (Part No. ARP300-8310, sold separately) are a perfect match for these bolts!