I guess these are kinda hard to find...I was at the National Street Rod show in Pueblo yesterday, and wrote down the Mooneyes...name so I could look it up later. These are really nice, but seem to be pressurized?

A........


https://www.mooneyesusa.com/Store/product_info.php?products_id=544&osCsid=ab84551072fad385b52dd3f776487f0d

That particular cell only has a 1/4 outlet...Too small.

An -8AN fitting is 3/8" ID, and should be the minimum used for performance. (Learned all that recently...LOL)


A.......

If you want a 3/8", Mooneyes will custom make you one. But they get expensive. Here is what I run, im pretty sure there is enough material there for you to drill and tap new threads for a 3/8th. http://www.speedwaymotors.com/p/2530,419_Spun-Aluminum-Tanks.html

I got my tank from http://www.coyote-gear.com/menu.html
If you look at the bottom of the tank pages under options, you'll see that you can get different size fittings.

Alan