TC Bros Aluminum Unvented Filler Cap with Bung for Oil or Gas Tanks

These TC Bros. caps are the perfect finishing touch when building a custom oil or gas tank for your chopper. Easy to weld 1018 mild steel bung is 1-3/4 inch outer diameter and features 1 5/16" x 12 threads. Kit also includes CNC machined billet aluminum cap (unvented).

• 'Knurled' For Extra Grip
• Leak Free O-Ring Seal
• 100% Made In USA