Product details:

Nitrous Oxide Systems (NOS) 16137NOS: Nitrous Oxide Bottle Valve, Super Hi-Flow, With Blue Face Gauge, 5-20 lbs., Each - With an orifice that flows 249 percent more than the standard industrial valve, NOS Super Hi-Flo bottle valves provide better flow for more power and consistency, while supporting over 500 hp. These valves have specially designed passages to maximize flow rate and velocity. Other features include: twin gauge ports for the attachment of a nitrous pressure gauge or other performance accessories, the exclusive NOS safety venting system with -8 AN fittings for in-car vent tubes, and a standard connection. NOS Super Hi-Flo bottle valves are a must for anyone seeking maximum performance. They're available with or without a face gauge.