Description: ; Male Weld Bungs These bungs have a wide inlet with a deep taper to enhance flow right out of the tank. Auto Parts AN-4 to M11x1.0 Garrett Turbo 1mm Restrictor Fuel Supply Adapter It can be welded on your fuel cell oil cooler catch tank swirl pot or any other aluminum tank etc. Design to stepped for ease of welding . Hand polished finish adds the final touch of quality and protection for weld bung. ; HIGH-QUALITY MATERIAL: The weld bung made of high quality lightweight ; Aluminum. Weld bung feature: rustproof and corrosion-resistant heavy duty and durable. After welding it needs three hours of natural cooling before use. ; Professional Installer is Highly Recommended.weld bung No installation instructions ; Notes: Due to the difference between different monitors the pictures may not reflect the actual color of the item. Compare the detail sizes with yours please allow 1-3cm error due to manual measurement. ; Color: silver Packing size: 5.0*4.0*2.0cm Delivery Quantity: 1 Piece