ARP Case Bolt Kit Subaru WRX EJ20 & EJ25

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$429.99
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$429.99
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260-5401

Product details

ARP High Performance Series main bolts are rated at 180,000 psi and a popular premium replacement for OEM fasteners. Designed to meet the exacting standards and demands of professional engine builders, ARP bolts are forged from 8740 chromoly steel and feature a reduced wrenching head, large underhead radius, and rolled threads for the utmost in reliability. The threads are rolled after heat-treating which gives them about 2,000 percent better fatigue strength than most main bolts that are threaded prior to heat-treating. Hardened parallel-ground washers are included with each kit.

Specifications:

  • Socket Size(s) 12mm 12pt, 10mm 12pt
  • Forged from premium INCONEL 718
  • All bolts undergo a generous under-head radius and heat treating for reliability
  • Threads are rolled after heat treating to make them 1000% stronger than most other main bolts
  • Bolts are rated at 200,000 psi
  • Application specific
  • Includes parallel-ground, hardened washers



Fitment:

  • 2002-2014 Subaru Impreza WRX
  • 2004+ Subaru Impreza WRX STI
  • 1998-2012 Subaru Forester XT
  • 2005-2012 Subaru Outback XT
  • 1990-2012 Subaru Legacy GT
  • 1993-2011 Subaru Impreza
  • 2003-2006 Subaru Baja Turbo
  • 1994 Subaru Loyale Base