PPE 118020100 Head Stud Kit | 01-10 GM 6.6L Duramax 2500HD / 3500HD

An ARP cylinder head stud kit is a precision centerless-ground for accuracy. Thread-rolled to Mil-S-8879 specifications for increased strength while reducing stress at the threads. Hardened parallel washers for uniform load distribution and accurate torque readings. It is highly recommended for boost levels of 45 psi and higher. Each kit comes with hardened parallel washers, and nuts for uniform load distribution, accurate torque readings.