The STM aluminum oxygen sensor weld bung allows you to add bungs to your custom aluminum exhaust parts. These bungs are extra thick with a 1/4" wall to reduce the chance of warping when welding. Sold individually, price is for one bung.
Vehicle Fitment: Universal Product • Must be welded on
Specs: • M18 x 1.5 Thread • Accepts all standard O2 sensors • 1/4" wall to reduce warping when welding
Install Notes: The matching Steel Plug (1195) is also available, sold separately.