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ARP Pro Series Head Studs
Fits 2001-2016 Chevy / GMC 2500 / 3500 HD 6.6L Duramax Diesel
These Pro series studs from ARP are cold-forged to ensure molecular integrity. They are heat-treated prior to thread rolling and machining and are rated at a whopping 220,000 psi tensile strength. The Pro series kit comes complete with hardened parallel washers for an even load distribution and accurate torque readings. ARP Pro series head studs are strongly recommended if you are running over 40 PSI of boost.