These ARP main studs are made from 8740 chromemoly steel and have a 190,000 psi tensile-strength rating. They are precision centerless-ground and thread-rolled to Mil-S-8879 specs, with a black oxide finish for corrosion resistance. The kits come complete with hardened washers and high-strength hex nuts.
These main studs will help to ensure that main cap walk is a thing of the past. These studs are higher strength than factory bolts, making these a great addition to any high horsepower engine running superchargers, turbochargers or nitrous!
ARP - The World Leader in Fastener Technology
ARP – The Fasteners of Champions
ARP’s product line contains thousands of part numbers, and has expanded to include virtually every fastener found in an engine and driveline. These range from quality high performance OEM replacement parts to exotic specialty hardware for Formula 1, IndyCar, NASCAR and NHRA drag racing and marine applications. Shop ARP's Mustang water pump studs, water pump bolts, wheel studs, head stud kits, oil pan bolts, motor mount bolts, and many other hardware kits.