ARP 250-4302 Ford 6.7L Powerstroke Custom Age 625+ Head Stud Kit

The ARP 250-4302 Custom Age 625+ Head Stud Kit is engineered for 2011-2023 Ford 6.7L Powerstroke diesel engines that demand maximum strength and reliability under extreme performance conditions. This premium head stud kit is ideal for diesel enthusiasts running high boost levels, nitrous oxide, or building competition-level engines.

Custom Age 625+ Material Advantages:

• Minimum tensile strength rating of 260,000 psi
• 40% increase in strength over OEM torque-to-yield head bolts
• Centerless ground to ensure perfect concentricity
• Threads rolled after heat treatment for maximum fatigue resistance
• Broached ends for easier installation and removal

Complete Kit Includes:

• 36 Custom Age 625+ head studs
• 9 M8 ARP2000 studs
• 45 heat-treated chrome-moly 12-point nuts
• 45 parallel ground washers
• ARP Ultra-Torque fastener assembly lubricant

Required Socket Sizes: 14mm 12-point, 10mm 12-point, 5mm Allen, 3mm Allen

Manufactured in ARP's Santa Paula, California facility using aerospace-quality processes and materials. These head studs provide the superior clamping force necessary to prevent cylinder head lifting under the extreme combustion pressures generated by modified diesel engines. Designed to be reusable, unlike one-time-use OEM torque-to-yield bolts.