Nitrous Outlet 4AN Bottle Valve Nut & Gasket - CGA 660/Black

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For Use With #660 Style Bottle Valves CNC Machined Aluminum Includes Gasket For Use With 4AN Main Feed Line One Piece Design:Instead of using a 2 piece design like the #326 bottle valves #660 valves use a 1 piece bottle nut, and nipple that is sealed with the supplied Teflon gasket. Application:#660 style bottle nuts are used by some nitrous companies such as NOS, and on some mother bottles. Nitrous Outlet, Nitrous Express, Zex, and many other nitrous companies have switched to using the two piece #326 design. Show more