NOS Super Hi-Flow Nitrous Bottle Valve Assembly

The NOS Super Hi-Flow Nitrous Bottle Valve Assembly line represents the highest-flowing bottle valve solution NOS has to offer, engineered for performance enthusiasts who demand maximum nitrous delivery from their system. Each assembly arrives as a complete, ready-to-install package — eliminating the guesswork of sourcing individual components and ensuring every part is precisely matched from the factory.

Key Features:

• Super Hi-Flow Design – Oversized internal passages and outlet port minimize flow restriction for superior nitrous delivery, capable of supporting high-horsepower applications
• CGA #660 Outlet Threads – Industry-standard outlet threading ensures broad system compatibility across nitrous setups
• 1/8" NPT Gauge Port – Enables real-time bottle pressure monitoring for on-the-fly tuning confidence
• 1/4" NPT Accessory Port – Allows convenient system expansion and accessory integration
• Precision O-Ring Seal – Engineered for leak-free operation under sustained high-pressure conditions
• Billet Aluminum Siphon Tube – Screw-on construction ensures efficient liquid nitrous draw and serves as a direct upgrade over older compression-fitting style tubes
• Nitrous Pressure Gauge – Easy-to-read gauge with stainless steel case and brass internals for accurate, durable pressure measurement
• Complete Assembly – Valve, siphon tube, and pressure gauge arrive pre-installed for a straightforward, hassle-free upgrade

NOS (Nitrous Oxide Systems) has been the benchmark in nitrous performance since 1978. The Super Hi-Flow Valve Assembly line reflects that legacy of precision engineering and race-proven reliability. Whether upgrading an existing bottle valve or outfitting a new nitrous system, this product line delivers the flow capacity and robust construction demanded by serious performance builds. Multiple configurations are available to accommodate a range of NOS bottle sizes.

For racing use only. Not legal for use on emissions-controlled vehicles.