MegaSquirt programmable EFI Engine Management System from Bowling and Grippo. Install fuel injection on anything from a single cylinder lawnmower engine to a fire breathing V12, and anything in between! This kit is easily the biggest bang for the buck in the standalone EFI arena. You build it, You tune it, you drive it. The sense of accomplishment is amazing as are the results when you finally get your car dialed in just right after spending who know how long messing around with piggybacks and other 'hacks' that just don't get the job done right. Stop wasting time and money and MegaSquirt your ride! You won't regret it.


This kit includes everything you will need to build your MegaSquirt ECU. Just add tools, solder and time! (Case is included, it's wrapped up under the PCB in the pic below, EVERYTHING is include to build the ECU)

As with all DIYAutoTune.com un-assembled kits, the quality is second to none. Everything is meticulously organized and labeled to help make your ECU assembly go as smoothly as possible. For example, each of the above bags contains a certain type of part, one with all of the resistors, one with diodes, one with capacitors, etc. Inside each of these bags the parts are further broken down and labeled in theri own individual baggies as pictured below. We even go so far as to put the components in numeric order to make finding them easier. We've really tried to think of everything....

Here's what the resistor bag from an MS122-K kit breaks out into: