ARP 1545001 High Performance Series Main Bolt Kit For Select Ford Small Block Applications, 2-Bolt Main

ARP 1545001 High Performance Series Main Bolt Kit is engineered for professional engine builders and serious enthusiasts who demand maximum strength and fatigue resistance. Forged from 8740 chrome moly steel, these main bolts feature generous under-head radius and rolled threads; threads are rolled after heat-treating for dramatically improved fatigue life. With a nominal rating of 180,000 PSI and parallel-ground hardened washers included, this kit is a premium replacement for OEM fasteners in select Ford small block 2-bolt main applications. The kit is finished (painted) and designed to withstand the demands of competition engines. Item details include 3/8"-16 UNC thread size, 0.44" item diameter, and a fully threaded profile. Includes main stud & bolt kits as the shipped components and is backed by manufacturer warranty.

• 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 180,000 PSI, which is considerably stronger than Grade 8 hardware
• 1000% longer fatigue life than most other main bolts
• High Performance Series main bolts are a premium replacement for OEM fasteners