ARP 260-5401 Main Stud/Bolt Kits
ARP Main Stud/Bolt Kits (260-5401) for a 2002-2006 Subaru Impreza WRX / STi. 2.0L / 2.2L & 2.5L SOHC/DOHC EJ Series Crankcase thru bolt kit.
All Buying Options:
|ARP 260-5401 Case Bolt Kit for Subaru EJ20/EJ25 Engine
|ARP for Subaru WRX EJ20 & EJ25 Block Bolts 260-5401
|ARP Crankshaft Main Cap Stud Set 260-5401; Inconel
|ARP Case Bolts Kit for Subaru EJ25 Turbo Motor, Turbo Block Bolts | 260-5401
|ARP MAIN BOLT KIT 260-5401 for SUBARU 2.0L 2.2L 2.5L SOHC/DOCH EJ SERIES
See partnumber notes and applications notes above for specific product information.
ARP Main Studs are manufactured from 8740 chrome moly steel, heat-treated in-house to 200,000 psi tensile strength, and precision J-form threads rolled after heat-treat to create a fastener that has threads 1000% stronger than others. All kits come complete with hardened parallel-ground washers and aerospace quality nuts. Reduce crankshaft flex and main cap freeting with these premium quality main studs. Don’t settle for anything less than the best!
ARP Main Bolts are designed to meet the exacting standards and demands of professional engine builders. Forged from 8740 chrome moly, all bolts feature generous under-head radius and rolled threads for the utmost reliability. The threads are rolled after heat-treating, which gives them about 1000% longer fatigue life than most main bolts, which are threaded prior to heat-treating. Available in the popular High Performance Series, which, at a nominal rating of 180,000 psi, is a premium replacement for OEM fasteners, or the 200,000 psi nominal rated Pro Series, application-specific main bolts with reduced wrenching head and are designed for use in competition applications. Parallel-ground, hardened washers are included.
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