ARP 154-5001 2-Bolt Main Bolt Kit

ARP Main Bolt Kit 2-Bolt Main Hex Head SB for Ford 289 302 Windsor V8 154-5001 Far superior to any other main bolt kit offered for use in competition engines 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 makes them about 1000% longer fatigue life than most main bolts which are threaded prior to heat-treating. Available in the popular High Performance Serieswhich at a nominal rating of 180000 psi is a premium replacement for OEM fasteners or the 200000 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 with each kit.

• High Performance Series main bolts are a premium replacement for OEM fasteners
• Designed to meet the exacting standards and demands of professional engine builders
• Forged from 8740 chrome moly steel with generous under-head radius and rolled threads
• Rated at 180000 PSI which is considerably stronger than Grade 8 hardware
• 1000% longer fatigue life than most other main bolts