Ace Race Parts 26043 -20AN Female Weld Bung - 6061 AluminumAce Race Parts 26043 20AN Female Weld Bung 6061 Aluminum The Ace Race Parts brand of 20AN Female ORB AN Weld Bungs are precision CNC machined from 6061 T6 Aluminum and feature a stepped design for added weld strength and durability. Ace Race Parts line of Female ORB 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