Curb Hoppers0My CartARP (Automotive Racing Products)Header Stud - 3/8 in Diameter - 1.670 in Long - 12 Point Nuts - Stainless - Polished - Big Block for Chevy - Set of 16Listing ID: 918652UPC: 672036013332Manufacturer Part Number: 4001403In Stock, 3 AvailableWill Ship Within 3 Days$183.96Brand NewCopyright (C) 2019-2023 Initial Holdings LLC dba Curb Hoppers. All Rights Reserved.