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ARP Main Block Bolts WRX (2002-2014) STI (2004-2018)


SKU: 260-5401

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Product Description

ARP Subaru EJ20, EJ25, & EJ257 Main Bolts are crafted from 8740 forged chrome moly and feature generous under-head radius and rolled threads for excellent reliability. The threads are rolled after heat-treating, giving them 1000% longer fatigue life than ordinary bolts. Parallel-ground hardened washers are included. These are crankcase through bolts for all EJ series motors.

Subaru STI 2004-2014
Subaru WRX 2002-2014
Subaru Legacy 2005-2012
Subaru Outback 2005-2009
Subaru Forester 2004-2013

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