A quality weld-in bung is a smart way to add an o2 sensor, petcock drain, or plumbing fitting to automotive components like exhaust tubing, oil pans, fuel cells, or intake manifolds. And weld-in bungs are downright essential if you’re building a custom exhaust and need to add an oxygen sensor anywhere in the header tubes or exhaust system.

ValvoMax Oil Drain Valve - Quick Twist Oil Drain Plug for DIY Oil Changes At Home in 10 Minutes - No Tools, No Mess, No Cleanup - M14-1.50 Thread Size - Made in USA

Oil Filler Cap, Weld-On, Steel Bung, Black Anodized Cap, 1.50 in. O.D., Kit. Jumpstart Your Next Project! Find Engine Oil Filler Caps and get Free Shipping on Orders Over $109 at Summit Racing!

This kit contains three 1/8 NPT fittings for your oil lines (feed, vent, and return) it also contains a threaded filler cap and bung. All weld in parts are available in Mild Steel, 6061-t6 Aluminum, or 304 Stainless Steel with an aluminum screw in cap. …

NPT fittings and AN fittings for Weld in installation. Aluminum and Steel.

Billet Specialties weld-in oil fill cap bungs are precision machined from 6061 T-6 billet aluminum for maximum durability. They can be welded to a valve cover or oil tank. The bungs include a threaded, polished aluminum screw-in cap to complete the installation.

Find the perfect weld-in bung for your automotive component needs at Pit Stop USA. Oil Pan Inspection Plugs allow sanctioning bodies to conduct post-race inspections of connecting rods without removing oil pan.

Weld In Aluminum Oil Tank Fill Bung for custom application. Aluminum weld in bung; 2.45" body OD; 2.75" flange OD.53" tall; Made in the USA; 1 1/4"-12 Threads; Check out our selection of caps to pair with it.

Product Code: Oil Pan Sight Plug & Bung Kit; Availability: In Stock; If your track requires a plug in the oilpan so they can tech the rotating assembly, this kit is what you need!Kit includes:1" NPT Steel plug with thre..