Ace Race Parts 26054 -12AN Male Weld Bung - 304 StainlessAce Race Parts 26054 12AN Male Weld Bung 304 Stainless The Ace Race Parts brand of 12AN Male AN Weld Bungs are precision CNC machined from 304 Stainless Steel and feature a 37 Degree flared sealing connection. Ace Race Parts line of Male Weld Bungs are available in sizes ranging from 4AN to 20AN and are suitable in high pressure applications, like fuel systems, fuel cells, oil tanks, and other custom applications. FEATURES 37 Degree Flare Connection