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C-Dub Tech

ARP Subaru WRX/STI EJ20/EJ25 Head Stud Kit (260-4701)

ARP Subaru WRX/STI EJ20/EJ25 Head Stud Kit (260-4701)

Regular price $283.19 USD
Regular price Sale price $283.19 USD
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ARP Pro Series cylinder head studs are cold-forged to ensure molecular integrity. They’re heat-treated prior to thread rolling and machining. ARP Pro Series kits are also available with 12-point nuts, and all kits come complete with hardened parallel washers for an even load distribution and accurate torque readings 


  • Premium 8740 chromemoly steel
  • 190,000 psi tensile strength
  • Heat treated and thread rolled
  • More consistent clamping force
  • Helps prevent blown head gaskets
  • Includes 12-point nuts and parallel ground washers
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