ARP 12 Point Main Stud Kit

ARP main studs are manufactured from 8740 chromoly steel, heat-treated in-house to 200,000 psi tensile strength, and precision J-form threads rolled after heat-treat to create a fastener that is superior to stock and a must have in any high performance boosted application.

ARP 12 Point Main Stud Kit Specifications:
Fastener Style: Stud
Undercut Stud: Yes
Head Style: 12 Point
Fastener Material: 8740 Chromoly
Fastener Finish: Black Oxide
Washers Included: Yes
Fastener Yield Strength (psi): 200,000 psi

2015+ 3.5L Block w/ m10 x 1.5 threads. (Note: Blocks prior to 2015 use course thread inside block)

Tech Tip: ARP recommends using the ARP Ultra Torque Fastener Assembly Lubricant as opposed to motor oil or other low-quality lubricants. This is due to higher friction on the studs as well as inconsistencies in the clamping force of the fasteners when insufficient lubricants are used.

Please Note: While following the manufacturer’s recommended torque sequence, tighten the nuts to the ARP recommended torque specifications using ARP Ultra Torque Fastener Assembly Lubricant.


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