NOS Nitrous Bottle Purge Valve Kit

NOS Nitrous Oxide System Purge Valve Kit

Ensure instant, hard-hitting power right off the starting line with the NOS Nitrous Purge Valve Kit. The primary purpose of a purge valve is to vent trapped atmospheric air and stale, gaseous nitrous from your main feed lines prior to a run. By purging the lines until a crisp, solid plume of liquid nitrous reaches the solenoid, you eliminate the initial "lag" or lean spot often experienced when air is injected ahead of the fuel. This ensures consistent, predictable track performance and immediate throttle response every time you activate the system.

Beyond its critical performance benefits, a purge kit delivers that iconic, high-pressure cloud of nitrous vapor synonymous with professional drag racing and high-stakes asphalt competition. This kit is completely comprehensive and includes the heavy-duty solenoid, micro-switch, delivery tubing, and the necessary fittings to seamlessly integrate into your vehicles existing layout.

Key Features & Benefits

• Immediate Power Delivery: Clears the main feed line of trapped air pockets, ensuring 100% pure liquid nitrous hits the engine the moment the system is triggered.
• Consistent ETs and Tuning: Eliminates lean spikes and initial staging bog for highly repeatable track times and safer engine tuning.
• Customizable Feed Configurations: Available in precision-machined -4AN or -6AN line configurations to perfectly match your vehicle's plumbing infrastructure.
• All-Inclusive Package: Comes complete with a high-flow solenoid, activation button, wiring hardware, and a formable discharge tube to route the purge plume wherever you like.

Technical Specifications

• Application Compatibility: Universal application for standard -4AN or -6AN nitrous supply lines (select size prior to checkout).
• Kit Components: Heavy-duty purge solenoid, (1) push-button micro-switch, (1) NPT-to-AN adapter fitting, and (1) aluminum vent tube.