Bottle Nut

The Nitrous Express bottle nut is a precision aluminum component engineered for high-pressure nitrous oxide system installations on performance vehicles. Built for mechanics and tuners who demand reliability in forced-induction setups, this bottle nut serves as the critical connection interface between your nitrous bottle and the 326NX bottle valve assembly. Whether you're upgrading an existing nitrous system or building a fresh supercharger kit, a properly sealed bottle connection is non-negotiable for safety and performance consistency.

Manufactured from lightweight aluminum and finished in black anodize, this bottle nut combines durability with corrosion resistance—essential when exposed to the thermal cycling and vibration typical of modern engine bays. The anodized coating protects against oxidation while maintaining a professional appearance on show-quality builds. At just 0.07 lbs, the compact 1.85 x 1.5 x 4.9-inch form factor integrates seamlessly into tight underhood spaces without sacrificing structural integrity. The nut's precision engineering ensures a gas-tight seal compatible with Nitrous Express bottle valve nipples, preventing leakage and maintaining consistent system pressure during acceleration.

This bottle nut is ideal for street and strip enthusiasts running direct-port or fogger-style nitrous injection systems on turbocharged or supercharged platforms. Installation requires basic hand tools and works directly with Nitrous Express 326NX bottle valve assemblies. Proper torque specification and thread-sealant application during installation ensure long-term reliability under repeated boost cycles. Verify your bottle diameter and valve compatibility before purchase to guarantee correct fitment on your specific nitrous kit configuration.