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Late HD Style 22mm Petcock Bung
22mmPK$9.00 - $17.5022mm Petcock Weld-In Bungs – 1018 Mild Steel (Short & Long Options) These 22mm weld-in petcock bungs are machined from solid 1018 cold rolled mild steel and tapped to -
O2 Sensor Bung
O2SEN$4.75 - $5.50These bungs are for adapting your custom exhaust system to work with your fuel injections factory O2 sensors: Made of 1018 mild steel Tapped to fit 18mm x 1.5 or the later 12mm O2 sensors used by... -
Weld in Filler Bung
FB$13.50 - $16.50These are our weld in filler bungs, used with all of our vented and non vented caps. 1 1/4" x 12 thread 1 3/4" flange OD 1 1/2" stepped down OD Available in Mild Steel, Aluminum, or Stainless Steel... -
Filler Cap and Bung
FCwB$24.25 - $29.75Filler Cap and Bung Filler Cap and bung these are most commonly used for oil tanks or any other fluid container such as an overflow tank that does not need to be vented. We make a vented version of... -
Tall Filler Bung
TFB$13.75 - $14.75This is a different version of our ever popular filler bungs, these weld filler bungs are taller than our standard flanged ones for those who would like to stand the filler neck off of your tank a...
Description
20mm Petcock Weld-In Bung – 1018 Mild Steel (Triumph, BMW, Euro Style)
This 20mm petcock bung is precision-machined from solid 1018 cold rolled mild steel and features a 20mm x 1.0 male thread, making it an ideal fit for Triumph, BMW and other European motorcycle model petcocks.
Designed in a compact, OEM-style length, this bung is perfect for welding directly to the bottom of a gas tank, offering a clean, factory-style appearance. It's a reliable solution for both vintage restorations and custom fuel tank fabrication.
Specifications:
Thread Size: 20mm x 1.0 (male)
Material: 1018 Cold Rolled Mild Steel
Fitment: Triumph, BMW, and many other European motorcycle petcocks
Design: Short OEM-style – ideal for bottom-mounted applications
Sold: Individually
Key Features:
Precision-machined from 1018 mild steel for excellent weldability and durability
OEM-style short length for clean bottom-mount installations
Compatible with many European petcock styles, including Triumph and BMW
Ideal for vintage bike restorations, custom builds, and Euro-style fuel systems
Weld-in design for a secure, leak-resistant connection