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  • ARP 02-14 WRX/ 04-21 STI/ 05-12 Legacy GT/ 04-13 Forester XT Head Studs 11mm Subaru Turbo Models | 260-4701

ARP

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Head Studs 11mm Subaru Turbo Models

Fits: 02-14 WRX, 04-21 STI, 05-12 LGT, 04-13 FXT

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Auto Parts Store of the Year 2026

ARP Head Studs 11mm Subaru Turbo Models
Fits: 02-14 WRX, 04-21 STI, 05-12 LGT, 04-13 FXT
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Fitment

  • 2004–2013 Subaru | Forester XT
  • 2004–2021 Subaru | WRX STI
  • 2002–2021 Subaru | WRX
  • 2005–2012 Subaru | Legacy GT

Description

ARP uses a premium grade 8740 alloy that is rated far superior to "aircraft" quality. Then, each stud is placed vertically in special racks and precisely heat-treated to 200,000 psi. 

ARP studs are thread rolled after heat-treat, which gives them about 1000% (that's ten times) better fatigue strength than those studs that are threaded prior to heat-treat (a very common industry practice). It costs a lot more to do it this way, because it's tough on tooling, but the results are well worth the extra effort.

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Limited Manufacturer Warranty

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