This ARP stud is a 1/2 inch diameter, 6.600 inch overall length stud supplied with a guide for accurate installation. Intended for engine and related hardware applications, the single stud offers replacement or service use where that exact overall length and guide combination is required. It’s presented as a precision fastener option for rebuilds and component reassembly.
ARP 1/2in X 6.600in OAL Stud w/Guide