Allows your JB4 to control a WMI pump and solenoid for dynamic progressive flow mapping!
For most JB4 applications.
This product was last offered at the strikethrough price on
05-02-2026
With Single BM12 Nozzle, Steel Braided Hardline Upgrade, and 3 Gallon Stealth Tank
Universal Performance Injectors
Red High Temp Nylon Tubing, Quick-Connect Fittings
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Conveniently control a second or third low pressure fuel pump!
Heavy-duty yet compact tank that is compact and flexible allowing for a wide range of mounting on any flat vertical surface in the trunk.
Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet. For non Fuel-It! brand port injection configs.
Fueling support up to 1000+ WHP!
Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet.
Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet. For stock HPFP/no port injection configurations.
Controls fuel delivery and pump pressure from the tank
Engages water-methanol system at 35PSI Adjustable from 25-50psi
Includes 2.5 gallon tank, red high temp nylon tubing, and quick-connect fittings
Direct port injection plate for clean WMI installs
The worlds smallest universal regulator! Comes pre-set within precision tolerance to eliminate guesswork setting target pressure!
This product was last offered at the strikethrough price on
01-22-2026