JMS Progressive Nitrous Controller

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Product Details

JMS Progressive N20 ControllerThe Progressive Nitrous Controller that is designed to out perform! The JMS Progressive N20 Controller is the new standard for Nitrous Controllers! Finally, there is a N20 Controller that allows for maximum ADJUSTABILITY while combining all of the popular nitrous add-ons into one device. No external relays, triggers or RPM Switches’s all in one device!

  • Easy to setup and use. No relays, triggers, or RPM switches required, everything is built into one unit!
  • Compatible with all 12V or 16V battery systems & one to sixteen cylinder engines.
  • Adjustable Solenoid Frequency
  • Wide-Open Throttle Enable Trigger
  • Wide-Open Throttle Enable Trigger
  • Dual Independent Ramp Rates
Simple Installation:

Easy to setup and use. No need for a laptop or complicated user display. All adjustments can be made with the included flat-head screwdriver.

Complete Progressive Nitrous System Control in a single unit: eliminate external relays, triggers and RPM switches

Case/Enclosure Specifics and Dimensions:

Silver, Aluminum Case with four mounting tabs

Length: 5 1/2", Width: 2 1/2", Height: 1 1/2"

Operating Voltage Range:

9.5V - 20V DC


- Works with all 12V or 16V battery systems.

- Supports all engines from One to Sixteen cylinders, Four Stroke or Two Stroke

- Automatically functions as a Turbo Nitrous Controller, if the Start Percentage is set higher than the End Percentage.


RPM: Monitors Engine RPM. Connect to the negative side of the ignition coil or fuel injector.

Wide Open Throttle Enable Trigger:

Trigger (1) : Ground Enable, typically connected to a micro-switch and grounded at WOT.

Trigger (2): 0-5V DC (invertable), typically connected to a Throttle Body TPS.

Notes: Either WOT Trigger may be used to enable the controller.

The enable voltage must be set by the user.

Tire Spin /Gear Lock Out:

Ground Enabled: Typically connected to a micro-switch.

Depending on when this input is grounded: can either manually lock the controller OFF or

can be used to enable a second progressive ramp rate setting.


55amp maximum combined Fuel & Nitrous Solenoid Ouput

+12V Timing Retard Ouput, 50mA, short circuit protected

Adjustable Solenoid Frequency:

12.5hz, 20hz, 25hz, 40hz (special solenoids are required for 40hz)

Independent Fuel and Nitrous Solenoid Control:

Increased amperage capacity

Improved solenoid accuracy and control

Fuel Solenoid Settings:

The fuel solenoid output can be independently modified to control activation lean spikes.

- 100% duty cycle

- 85% duty cycle for the initial 0.5 seconds after activation and then matches the Nitrous Solenoid Ouput

- 75% duty cycle for the initial 0.3 seconds after activation and then matches the Nitrous Solenoid Output

RPM Window Switch:

Minimum RPM to enable Nitrous Output: 1000 RPM

Maximum RPM to disable Nitrous Output: 16,900 RPM

12V Timing Retard Output:

+12v output when the Nitrous Output is active

Designed to be connected to an ignition box timing retard input.

Installation Kit:

3 feet of power/solenoid wiring, wiring harness, heat shrink connectors, heat shrink ring terminal, self tapping screws, tie straps

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