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MegaSquirt Mod Kits

Modify and Customize your MegaSquirt to meet your needs.

EPA, CARB & Emissions Disclaimer- All ECU's are for race purposes only. It's your responsibility to remain in compliance with all federal, state, provincial, or other laws that apply to you.

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  • MapDaddy 4 Bar MAP Sensor with Barometric Correction

    5 out of 5
    $99.99

    Who's Your MapDaddy? - MapDaddy 4 Bar MAP Sensor with Barometric Correction   Ready to rock your ride handling up to 44psi of BOOST! New version has a 4 bar MAP sensor combined with a 1 bar barometric pressure sensor to improve barometric pressure re...

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  • MegaSquirt Boost Control Mod Kit

    5 out of 5
    $9.99

    Give your Megasquirt the ability to drive a boost control solenoid double up it's duty as an electronic boost controller. Includes all parts required to build the MSnS-E boost control circuit on your V2.2, V3.0, or V3.57 PCB, including FET, resistors, hea...

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  • Jumper 10-Pack

    5 out of 5
    $7.49

    10-pack of wire jumpers in 5 colors. These fit 0.1" headers and are used on the JimStim to make connections for testing additional circuitry.   There are several other uses for them too.

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  • Zeal Engineering Daughterboard with Dual VR Conditioners

    $43.99

    The Zeal Engineering Daughterboard was designed and developed by Ken Culver, one of the authors of the MS2/Extra and MS3 firmware.  We're proud to now offer this daughter card in kit form. It was originally developed for the FC RX-7, but we have found it...

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  • Coil Driver Kit

    5 out of 5
    $10.99

    Note:  This part supersedes the Bosch BIP373. OnSemi EcoSPARK IGBT, perfect for use as a high current ignition driver and can be used as Q16 in your v3.57 or v3.0 MegaSquirt build.  This is the same high current ignition driver as used in many of our...

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  • Bosch BIP373 Coil Driver Mod Kit

    5 out of 5
    $10.00

    Note: This has been replaced by our Coil Driver Kit. The power transistor that Bosch uses in their own ECUs is now available to you! This is a 'mod kit' for installing a BIP373 in a Megasquirt, or replacing an older or damaged VB921 with the much impr...

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  • PCB V3.57 and V3.0 HEI Input Mod Kit

    $9.99

    This mod kit can be used with MS1 and MS2. It's intended for the V3.57 boards, but can be used with the V3.0 as well; you just have to remove the XG1-XG2 and the TachSelect-OptoIn jumpers and replace them with the included header pins. The kit includes on...

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  • DLP-TXRX Internal USB/Serial Adapter

    5 out of 5
    $31.00

    DLP-TXRX Internal USB/Serial Adapter This adapter is perfect for converting your Megasquirt from the standard DB-9 serial connection to the USB connection common on newer laptops. The DLP-TXRX can be used on the following MegaSquirt products: MS1 ...

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  • USB Tuning Cable

    $7.50

    USB A to Mini B cable. Use this with the following products: MS3Pro EVO MS3Pro Ultimate CAN-EGT MS1 or MS2 V2.2 or V3.0 modified with DLP-TXRX mod kit We include this cable with MS3Pro EVO & Ultimate. Does not fit MS3 V3.0 or V3.57.

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  • MegaSquirt PWM IAC Valve Control (TIP120) ‘Mod-Kit’

    $9.99

    These are the parts needed for the 'TIP120 PWM idle valve' mod.  If you are installing all optional components on the v3 heat sink (leaving no extra space for this transistor there) then you can drill a hole in your case and use it as your heat sink or a...

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  • MegaSquirt Pull-up Resistors Mod Kit

    $3.99

    Six 1k 1/4w resistors, and four 470ohm 1/4w resistors. Perfect for use as 'pullup resistors' for your MS ECU modding needs. These can be used for several of the mods described in some of our car-specific install articles listed on the site. NOTE: Th...

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  • MegaSquirt Relay Control Mod Kit (VTEC, TVIS, Fans)

    $9.99

    Modkit used to build a relay control circuit, suitable for switching a relay on/off and controlling fans, VVT, VTEC, TVIS, anything a relay can control. Usable on the PCBv3.0, v3.57 or PCBv2.2 ECUs Information and an example of how to implement this...

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  • MegaSquirt Ford Bias Resistors Mod Kit

    $3.99

    This is a simple two-part kit with two 1/4w 27kohm metal film resistors to replace R4 and R7 in any MegaSquirt PCB2.2 or PCB3.0 ECU. This will allow for use of the stock Ford temperature sensors without recalibrating the MegaSquirt for the Ford sensors. N...

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  • DIYPNP Upgrade: Ignition Module and Heat Sink Kit

    $12.00

    High current ignition driver kit with heatsink designed for the DIYPNP ECU.  It includes the OnSemi EcoSPARK IGBT.  This is the same high current ignition driver as used in many of our current ECU products as well as the QuadSpark ignition module, after...

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