Nitrous Express 18961 NX Digital RPM Window Switch Nitrous Activation Control

Vehicle Fitment

• Universal - Compatible with all nitrous-equipped gasoline and diesel vehicles

Fitment Notes

• Universal electronic component - not vehicle-specific; compatible with any nitrous system regardless of make, model, or year
• Designed to integrate with Nitrous Express nitrous systems; also compatible with most third-party nitrous setups
• Activation output is a ground signal - verify compatibility with your nitrous solenoid wiring before installation

Features

• Monitors engine RPM in real time and automatically activates the nitrous system only within user-defined RPM thresholds
• Fully adjustable activation and deactivation RPM values - no RPM chips required
• Prevents nitrous activation below the set RPM floor, protecting the engine from premature engagement
• Automatically cuts nitrous delivery when RPM exceeds the upper threshold, preventing over-rev damage
• Digital readout allows quick and easy viewing and adjustment of RPM window settings
• Compact, self-contained module designed for straightforward wiring installation
• Output handles up to 1.5 amps - suitable for activating relays or solenoids directly
• Made in the USA by Nitrous Express, manufactured in Wichita Falls, Texas since 1996

Specifications

• Part Number: 18961
• Type: Digital RPM-Activated Window Switch
• RPM Range: User-adjustable activation and deactivation thresholds
• Output Type: Ground signal activation
• Max Output Current: 1.5 amps
• Display: Digital readout for RPM window settings
• Color: Black
• Country of Origin: United States

Included Components

• 1x Nitrous Express NX Digital RPM Window Switch (18961)

Product Description

The Nitrous Express 18961 NX Digital RPM Window Switch is a precision electronic control module designed to give nitrous users accurate, reliable command over when their system activates. By continuously monitoring engine RPM, the switch automatically engages the nitrous system only when RPM enters the user-programmed activation window - and shuts it off the moment RPM climbs above the upper limit or drops below the lower threshold. This RPM-based control eliminates the risk of premature engagement or over-rev events that can damage internals, making it an essential safety and performance upgrade for any street or track nitrous build.

Installation is straightforward, with the module outputting a ground signal to trigger a relay or solenoid directly. The digital display allows racers to quickly read and adjust their RPM window without a laptop or external programmer. Compatible with virtually any nitrous-equipped vehicle - from carbureted V8 builds to EFI four-cylinder applications - the 18961 is ideal for drag racers, street performance enthusiasts, and anyone seeking precise, engine-safe nitrous control from a trusted USA-made brand.