Just released, new MS3-Pro Drop On Engine Harnesses!

MS3-Pro Drop On 24x LS Plug and Play Harness

The MS3Pro 58x LS Plug and Play Harness is the highest quality, best value option for LS Motors in the industry today. Save your hard earned time and money while experiencing the virtually limitless feature set of MS3-Pro Engine Management System. Simply choose your injector style from the drop down menu!

MS3-Pro Engine Management System

Don't follow the trend, Set it!

MS3-Pro is redefining 'state of the art' in Engine & Powertrain Control


We have a full range of products for your EFI applications


Universal Applications

View MS3-Pro Product

Specific Applications

View MSPNP-Pro Product

Specific Applications

View MSPNP-Gen2 Product


Powerful Tuning and Logging Software that's EASY TO USE!

TunerStudio features cross-platform support for Windows, Mac and Linux. Our simple, intuitive interface is perfect for novice to professional tuner. The Pro version included with each MS3-Pro and MSPNP-Pro includes an auto-tuning feature for speedy tuning of fuel and cold start parameters on the dyno or track.


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*These products may be used solely for OFF ROAD RACE-ONLY ground-vehicle use only. Aftermarket EFI/EMS systems are not for sale or use on pollution controlled vehicles. Alteration of emission related components constitutes tampering under the US EPA guidelines and can lead to substantial fines and penalties. Your state/district may also have specific rules restricting your tampering with your vehicle's emissions system. In short, as stated before, our official policy has to be RACE or OFFROAD USE-ONLY in ground based vehicles ONLY.