MegaSquirt-I Programmable EFI System PCB2.2 – Kit

SKU: MS122-K

*This product or components that make up this product have reached End of Life.  The ECU is now discontinued – this page is for reference only. MegaSquirt-I with V2.2 Main Board MegaSquirt programmable EFI Engine Management System from Bowling and Grippo. Install fuel injection on anything from a single cylinder lawnmower engine to a fire…

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GM Closed Element CLT/Oil Temperature Sensor

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This GM-style closed-element sensor is typically used as a fluid temperature sensor, providing accurate readings in a variety of automotive applications. The closed element design ensures long-lasting durability, making it ideal for harsh environments like those found in engine compartments. Compatible with a wide range of standalone ECUs, including MegaSquirt, MS3Pro, MSPNP, and more, it…

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GM Open Element IAT Temperature Sensor

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This GM-style closed-element sensor is typically used as a air temperature sensor, providing accurate readings in a variety of automotive applications. The open element design ensures long-lasting durability, making it ideal for harsh environments like those found in engine compartments. Compatible with a wide range of standalone ECUs, including MegaSquirt, MS3Pro, MSPNP, and more, it…

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Replacement 2N3906FS-ND Transistor

SKU: 2N3906FS-ND

PNP 200 mA transistor. As used in the MSStim V2.2 and later.

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Innovate SCG-1 Wideband Gauge and Boost Controller – 38820

SKU: INNVT-3882

The Innovate SCG-1 Solenoid Controller Kit combines advanced boost control and wideband air-fuel ratio monitoring in a single, compact unit. This kit is designed for serious performance enthusiasts who require precise control over their turbocharged setup. By integrating Innovate’s trusted DirectDigital™ wideband technology with a fully programmable boost controller, the SCG-1 offers unmatched functionality and…

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MS3Pro Module

SKU: MS3ProMod

The MS3Pro Module puts the MS3Pro circuitry on a board where we’ve replaced the AMPSEAL connectors with 0.100″ pin headers.  What’s it for?  The MS3Pro Module is the core for our MSPNP-Pro, but we’re also making them available to the public.  MS3Pro Module is complete enough to solder a harness to one and call it an ECU, but…

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Y Vacuum Fitting

SKU: 5231A

1/8″ vacuum Y-fitting, as included in the MSPNP and Mustang plug and play packages. This is made of clear polycarbonate. Maximum pressure 125 psi. This plastic is tough enough to take 275 degree F engine temps, and won’t crack even if exposed to Siberian cold.

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DIYAutoTune and AMPEFI Engine Management Systems

Welcome!! DIYAutoTune is THE source for high performance Standalone Engine Management Systems for maximum performance on the race track, off road park, etc. Whether you drag race, road race, autocross, rally or drift, we’ve got you covered with the best engine management in the business. We get it– you need the capability to tune your…

TunerStudio MS is POWERFUL tuning software for the MS3Pro, MSPNP, MicroSquirt and Legacy MegaSquirt ECUs!

TunerStudio and is comprehensive engine tuning software that allows users to modify and optimize the performance of MS3Pro and MSPNP Engine Management Systems as well as the MicroSquirt EMS (and our old school kit-style MegaSquirt systems as well) All of our standalone Engine Management Systems allow users to fully control the engine and ignition of…

PNP Digital-Dash for Megasquirt by DD-EFI

Modernizing with a PNP DD-EFI Digital Dash for your Megasquirt ECU In most cases people decide to upgrade to a Megasquirt, MSPNP, or MS3Pro ECU due to either exceeding the capabilities or needing additional features that the stock system could not. The dash has the same issues, with all those inaccurate or broken stock clusters,…