Building a serious engine? Don't skimp on the hardware. These ARP main studs are the gold standard for keeping your main caps locked down and your block protected. Made from 8740 chrome moly steel and heat-treated to a massive 200,000 PSI tensile strength, they're way stronger than standard Grade 8 bolts. The rolled J-form threads are smoother and more durable, reducing wear on your block threads—especially important for aluminum blocks. Using studs instead of bolts gives you more accurate torque readings, minimizes cap walk, and makes assembly easier since the studs stay put while you slide the caps on. This kit includes everything: studs, hardened washers, and aerospace-quality nuts. Whether you're rebuilding a street machine or a full-race engine, these studs deliver reliability you can trust. Build it right, build it once!
