NOS has a multitude of switches for many applications, including activating fuel pump solenoids, nitrous, and most anything else you'd like to control.

Adjustable Fuel Pressure Safety Switches
Control your car's fuel pressure and avoid the risk of shooting nitrous with too little pressure to supply the extra fuel required. These heavy-duty switches are offered at 5, 7, 15, 30, or 50 psi.

Micro Throttle Switch
This switch can be the primary method to activate a nitrous system or a safety device when used in conjunction with another switch to prevent nitrous activation unless the vehicle is at wide-open throttle.

Nitrous Activation Switches
A variety of switches to control nitrous system operations.

RPM Activation Switch (pictured above)
This switch can be set to turn nitrous on and off at a specific RPM. It includes 3000 and 6000 RPM chips.