On-board 70 amp relay for nitrous solenoids enables direct connection to nitrous systems for easy installation
35 amp relay for purge solenoid ensures safe and reliable purge signal activation
Built-in transbrake safety relay prevents nitrous activation while the transbrake or clutch is engaged, enhancing user safety
Indicator LEDs provide clear visual feedback for troubleshooting and system status
Supports both 12V activation triggers and ground trigger options for compatibility with various nitrous controllers
Summarized by Shop
Wiring your nitrous kit has NEVER been so easy or fast!! Simply connect your battery positive and negative to the board, connect you 12volt power from your throttle switch or manual nitrous button, connect you transbrake or clutch 12volt signal for nitrous safety so that your nitrous will not come on it your on your transbrake or have you
Relay 1
70 amp for nitrous solenoids
Relay 2
35 amp for purge solenoid
Activation Trigger
12V power from throttle switch or manual nitrous button
Safety Relay
Built-in transbrake safety relay
Fuse
Heavy-duty J case automotive fuses (J case fuses not included)
Fuses Available
FMX J case fuse category
Summarized by Shop
5.0
3 ratings
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Randy manufacturers the best electronics around ... Customer support second to none!
Patrick · December 22, 2025
The best.. super easy install especially with a grid box ,took 10 mins. thanks you, Randy
J
John · August 1, 2025
Great product, will purchase all of my relay boards from leash in the future, super quality 👌