Nitrous Express 15159-4 1/2" I.D. Lightweight Billet Aluminum In-Line Valve 4AN

The Nitrous Express 15159-4 is a precision-machined lightweight billet aluminum in-line valve designed for nitrous oxide systems. This compact valve features a 1/2" internal diameter bore for excellent flow characteristics and -4AN fittings for secure, leak-free connections to standard nitrous and fuel lines.

Key Features:

• Lightweight billet aluminum construction for durability and weight savings
• 1/2" internal diameter provides excellent flow capacity
• -4AN (4AN) fitting size for compatibility with standard braided hose and hard lines
• CNC-machined for precision tolerances and reliable sealing
• Ideal for nitrous oxide system shut-off, isolation, or purge applications
• Compact in-line design for easy installation in tight spaces

This valve is commonly used to provide manual control of nitrous or fuel flow in performance applications, allowing racers to easily shut off system components for maintenance or safety. The quality machining and lightweight design make it a popular choice for weight-conscious racing applications where reliable fluid control is essential.