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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.
Please Note: Kit only includes the main cap side bolts. For use on the Ford FMS-M-6010-BOSS50 4.6L deck height Boss block.
Ships within 48 hours · Estimated delivery Jun 21 - Jun 26
US$40
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