Pro Main Studs ARP main studs are manufactured from 8740 Chromoly steel, heat-treated in-house to 200,000 psi Tensile strength, and precision J-form threads rolled after heat-treat to create a fastener that has threads 1000% stronger than others. All...

OEM Connecting Rod Bolt To eliminate the chance of rod failure when building a budget or stock motor we highly recommend replacing the rod bolts. At continuous high rpm, the stock bolts will stretch, and rod bearing or rod failure occurs. These rod...