SDS has the ARP 230-4302 Diesel Custom Age 625+ Head Stud Kit that will replace the stretched or broken head bolts in your 2017-2021 GM 6.6L Duramax L5P. These studs are designed for diesel performance enthusiasts needing an extra-strong head stud for the massive boost or high HP nitrous needed to build a powerful truck.

The ARP Diesel Custom Age 625+ Head Stud Kit features a minimum rating of 260,000 psi tensile strength with threads rolled after heat treatment to provide maximum fatigue strength. The 12-point chrome-moly nuts come with parallel-ground washers and are included in this kit that is manufactured in Santa Paula, CA. These studs are centerless ground to ensure concentricity and feature broached ends for easier installation.

• Made In The USA
• Black Oxide Finish
• Direct-Fit Replacement
• Nuts & Washers Included