ARP 11-16 Ford 6.7L Power Stroke Diesel Head Stud Kit Duramax LLY Each turbo goes through a

Each turbo goes through a comprehensive 100 percent functional end-of-line testing with full RPM range and the Noise

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ARP 11-16 Ford 6.7L Power Stroke Diesel Head Stud Kit Duramax LLY Each turbo goes through aThe ARP 250 4301 Diesel Head Stud Kit is a must have upgrade for your 2011 2016 Ford 6. 7L Powerstroke. These extra heavy duty studs are rated at 220,000 psi tensile strength and provide the clamping force required to keep your 6. 7L Powerstrokes cylinder heads from lifting due to higher combustion pressures. The ARP Head Studs are manufactured in ARPs Santa Paula, CA plant from proprietary ARP 2000 material, with threads rolled after heat treating to