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ARP High Performance Series Main Bolts

4.86 out of 5 stars 175 Customer Reviews

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.

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ARP High Performance Series Main Bolts 260-5401

ARP High Performance Series Main Bolts 260-5401

Main/Case Bolts, Pro Series, 2-Bolt Main, Hex Head, Subaru, 2.0, 2.2, 2.5L, Kit

Part Number: ARP-260-5401

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

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