Bottle nuts are an essential part of most nitrous applications. In most cases they're the direct connection between the bottle and your feed line.
These are 1-piece style fittings that seal with an included teflon washer.
Designed to work with most 660 style bottle valves. One of the most commonly available valves on the market, many brands use them including NOS, Speedtech, Cold Fusion, Induction Solutions, etc.
We carry both sizes 4AN and 6AN.
WARNING: always insure your teflon washer is in your bottle nut and sitting properly before tightening to prevent leaks or injuries.
