Curb Hoppers0My CartARP (Automotive Racing Products)Harmonic Balancer Bolt - 1/2-20 in Thread - 1.550 in Long - 13/16 in 12 Point Head - Chromoly - Black Oxide - Big Block Chevy - EachListing ID: 918789UPC: 672036009717Manufacturer Part Number: 2352501In Stock, 41 AvailableWill Ship Within 3 Days$39.39Brand NewCopyright (C) 2019-2024 Initial Holdings LLC dba Curb Hoppers. All Rights Reserved.