ARP Block Bolts Subaru WRX EJ20 & EJ25

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$475.15
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SKU 260-5401

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

Product Installations: https://arpinstructions.com/instructions/260-5401.pdf

Always verify compatibility before purchase.

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


This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov