The base of the bung is machined to accept an O-ring for a leak proof installation.
Bolt-on & Fuel Cell Bungs
Pro-werks Fill Cap Bungs are available separately without the cap. These bolt-on style aluminum bungs come in several types and sizes, and do not require welding. Select anodized colors are available and include mounting hardware - so you won't need to run
all over town looking for it!
Properly sized for the "radially squeezed" O-ring standard of the signature Pro-werks Easy Turn Fill Cap.
The
selection of weld-able bungs is also available; including several different heights in your choice of Steel, Aluminum or Stainless steel materials.
Note: Welding should always be performed by a qualified welder.
Great caps. Great colors.
These bungs utilize the popular non-vented Easy Turn Fill Caps that
are available variety of Pro-Werks Brilliance anodized colors or
beautifully Micro-polished aluminum finish - the finishes are
impeccable.
The right size matters.
Easy Turn Fill Caps come in many sizes and are packaged as complete
assemblies with your choice of one of the many versatile mounting options, or each component is also available separately.
Be sure to check out the entire line up - Billet aluminum Easy Turn Fill
Caps are a Pro-Werks specialty. Watch the Video below to learn more !
Both the Cap and Bung are precision CNC machined from billet aluminum, right here in the USA.
Finish Your Tank
We also offer a full line of weld-in plumbing bungs to complete your tank project.
Click the images below to view all the options.
Q:
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What should I use to lubricate the Buna O-ring?
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A:
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Applied periodically, a light coating of Dielectric grease has proven to work well as an O-ring lubricant.
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Diameter:
1.5 in.
Thickness:
0.188 in.
Thread:
1-1/4-12
Holes:
0.172 Dia.
Bolt Circle:
4on 2.0 in.
Outside Diameter:
2.438 in.
Thickness:
0.375 in.