Curb Hoppers0My CartARP (Automotive Racing Products)Harmonic Balancer Bolt - 18 mm x 1.50 Thread - 2.750 in Long - 36 mm 12 Point Head - Chromoly - Black Oxide - GM Duramax - EachListing ID: 917463UPC: 672036046835Manufacturer Part Number: 129-2503Reference Part Number(s): ARP129-2503In Stock, 14 AvailableWill Ship Within 3 Days$42.69Brand NewCopyright (C) 2019-2024 Initial Holdings LLC dba Curb Hoppers. All Rights Reserved.