ARP Head Stud Kit Subaru WRX 2015-2021 / Subaru BRZ 2013-2018 / Scion FR-S 2013-2016

Experience unmatched performance with this ARP Pro Series head stud kit designed for high boost and power levels. These cold-forged, heat-treated studs offer molecular integrity and superior fatigue cycle life. Complete with parallel washers and available in various models and nut styles, these fasteners provide even load distribution and precise torque readings. Plus, they are specially heat-treated to withstand 200,000 psi and thread-rolled for 1000% better fatigue strength. Don't compromise on quality and order yours today!

• Includes (12) head studs
• Includes (12) 12-point nuts
• Includes (12) washers
• Socket Size(s) 5/8 12pt, 3/16 Allen
• Length: OEM Spec
• Location: Head
• Resonated: Yes
  
• Head Alteration Required: No
  
• Quantity Set of 12