ARP DIESEL HEAD STUD KIT

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2011-2021 FORD 6.7L POWERSTROKE DESCRIPTION The ARP 250-4301 Diesel Head Stud Kit is a must have upgrade for your 2011-2021 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 provide optimum fatigue strength. They are center-less ground to assure perfect concentricity. Also included in each kit are heat-treated, chrome-moly steel 12-point nuts and parallel-ground washers, with a black oxide finish for extra durability. Show more