Rylis Productions
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EFI Source Gold Box


We ship every EFI Source order FULLY INSURED in case it gets lost in transit to protect our customer.

The Universal MS3 Gold Box is a powerful, feature packed engine management system. The Gold Box plug and play systems have become very popular for Gen 3 Hemi, LSX and Coyote applications as well as universal systems. With the Universal pigtail harness the awesome power of the Gold Box can be tailored for applications that don't have a custom harness. Whether you have a passion for street, race or show cars, the EFI Source Gold Box gives you exactly what you need and is Made in USA.

-USB, RS232 and CAN communication-includes 8' flying lead harness
-Onboard SD card for Data logging
-Uses Tuner Studio tuning software
-Self Tuning Capabilities
-VE based tuning
-Speed Density, Alpha-N and MAF based tuning
-Individual cylinder fuel and spark trim tables
-10 High Impedance injector drivers-10 logic level ignition outputs.
-Fuel pump output
-Fan output
-Stepper and PWM Idle Air Control outputs
-2 channels of nitrous control: staged or progressive
-Variable Valve timing for up to 4 VVT camshafts
-supports over 50 OEM and aftermarket ignition systems
-12 volt tach output
-3 Step rev limiter
-trans brake and stage control
-multiple Traction Control strategies
-2 Wide Band Oxygen sensor inputs
-2 Knock sensor inputs
-flex fuel sensor compatible
-boost control
-water/methanol injection control
-Data Log switch
-Dual table switch
-3 additional general purpose inputs (on/off or frequency)
-1 additional analog input
-Link to MS based transmission control through CAN
-RacePak compatible
-Alternator output
-2 new VR inputs (total of 4)
-on boards Barometric pressure sensor
-real time clock
-All manufacturing and assembly happens in Boyertown, Pennsylvania.

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