Oil Bag Sight Window Tank Gauge Motorcycle Bobber Cafe Racer Harley Chopper for Sale


When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.

Price: $50.00

- Billet Proof Designs -"Barrel" Style - Oil Gauge/Sight Window - Large

Comes with a 1/8" Female NPT Steel Bung


Safely run your bike knowing how much oil you've got in it and what condition it's in...


  • Everything you need to mount to your Steel oil bag.
  • Brass "Barrel" Style Sight Window - 1/8" Male NPT with a 4-1/8" tall window (5-5/16" overall height)
  • Steel Stepped Bung- 1/8" female NPT, 3/4" OD (Bung will be stepped to make welding a breeze).
  • Also available with an Aluminum Bung.
  • We also offer this kit with a smaller Sight Window (3-5/16" overall height)
  • The check valve ensures a leak-free breather.
  • Works on either side of your tank. (The barrel spins 360 degrees)
  • Made in The USA!
***We also offer this kit with a "Frenched" bung to give it more of a flush-mounted look***
Make your bike stand out from the crowd!


Check out our store for more Gas Tank and Oil Bag accessories !



Sign up for my email newslettersby adding my eBay Store to your Favorites



We are currently expandingour dealer network. All dealers welcome!

Return Policy - We will issue a FULL REFUND on defective itemsor items that were shipped in error.It is your responsibility to determinethat the items you order are intended for your vehicle or application. There isa 15% restocking fee on returned item(s) that were not defective or shipped inerror. All returned items must be sent, prepaid, no later than 14 days afteritem is received.


***Please contact us for a DISCOUNT on orders of 2 or more items***


Parts Search:


Follow