Curb Hoppers0My CartARP (Automotive Racing Products)Header Stud - 3/8 in Diameter - 1.67 in Long - Hex Nuts - Stainless - Polished - Small Block Chevy - Set of 12Listing ID: 918566UPC: 672036013356Manufacturer Part Number: 400-1412Reference Part Number(s): ARP400-1412In Stock, 12 AvailableWill Ship Within 3 Days$80.36Brand NewCopyright (C) 2019-2024 Initial Holdings LLC dba Curb Hoppers. All Rights Reserved.