ARP EJ 2.5L Rod Bolts (260-6302) | Subaru WRX 2006-2014 / STI 2004-2021

The ARP EJ 2.5L Rod Bolts (260-6302) are engineered as a premium fastener upgrade to replace the factory connecting rod bolts on Subaru 2.5L EJ series engines. Manufactured from high-strength materials and precision-engineered for consistent clamping forces, these rod bolts are designed to enhance engine reliability and durability under high RPM and high-power conditions — making them ideal for performance builds, boosted applications, and serious motorsport use.

KEY FEATURES

• High-strength connecting rod bolts designed for performance Subaru 2.5L EJ engines
• Precision-formed and heat-treated fasteners for superior clamping force and fatigue resistance
• Exacting tolerances ensure repeatable strength and reliable fitment
• Ideal for high-boost, high-RPM, and race-oriented engine builds
• Manufactured to exceed the strength and durability of OEM rod bolts

TECHNICAL SPECIFICATIONS

• Part Number: 260-6302
• Fastener Material: Premium high-strength alloy (heat treated for enhanced durability)
• Rated Strength: High tensile performance for connecting rod applications
• Application: Connecting rod bolts for Subaru EJ 2.5L engines
• Included Hardware: Complete set of ARP rod bolts designed for EJ 2.5L engine rod caps
• Design Intent: Increased clamping force and fatigue resistance vs. OEM bolts

VEHICLE FITMENT

• Subaru WRX 2006–2014
• Subaru STI 2004–2021

PRODUCT NOTES

• This kit includes connecting rod bolts only; it does not include rod bearings or other engine internal components.
• Installation requires removal of the factory rod bolts and adherence to correct ARP and OEM torque specifications for proper clamping force.
• Use of ARP assembly lubricant or equivalent is highly recommended to ensure correct bolt stretch and longevity.

ARP delivers precision-engineered, high-strength fasteners and hardware solutions trusted by professional builders, racers, and performance enthusiasts worldwide for uncompromising reliability, durability, and repeatable performance in demanding automotive and motorsports applications.