ARP Custom Age 625+ Head Studs, 2001-2016 LB7/LLY/LBZ/LMM/LML

Part# 230-4202


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Fits: 2001 thru 2016 Chevy Silverado/GMC Sierra 2500HD/3500HD LB7/LLY/LBZ/LMM/LML Duramax Diesel

With performance enthusiasts adding increasing amounts of turbo boost to diesel applications, Automotive Racing Products Inc has provided an extra measure of security in the form of extra-strong head studs manufactured from the firm's proprietary Custom Age 625+® material that has a minimum rating of 260,000 psi tensile strength. They are engineered to provide the clamping force required to keep cylinder heads from lifting due to exceptionally high combustion pressures.


  • 12pt Stud style fasteners with included washers

  • ARP Custom Age 625+ hp material

  • Black Oxide Finish

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