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  • MS3Pro 1st Gen Standalone ECU Only

    IMPORTANT PRODUCT UPDATE** MS3Pro-ECUPKG has been discontinued and superseded by MS3Pro EVO effective May 1, 2017.  This product page, including documentation, downloads & product FAQ tabs below, remains active for archive purposes.   Compare M...

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  • MS3Pro LS Plug and Play Harness Alternator Lead Extension

    $26.99

    30" extension for GM LSx alternator subharness.  Our harness will require this if used with Camaro, Firebird, GTO, or CTS-V accessory drives. You can also use this with aftermarket brackets that move the alternator to a low mount position or relocate it ...

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  • GM LS 24x Plug and Play Engine Harness – for MS3Pro Ultimate/Evo

    4.5 out of 5
    From: $899.00

    Note: This product has been expertly modified from our original 58X harness with only slight adjustments to meet 24X specifications   For MS3Pro ULTIMATE/ EVO plug and play installation on GM LS engines with a 24x crank trigger. The MS3-Pro 24...

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  • GM LS 58x Plug and Play Engine Harness – for MS3Pro Ultimate/Evo

    From: $899.00

    For MS3Pro ULTIMATE/ EVO plug and play installation on GM LS engines with a 58x crank trigger. The MS3Pro 58x LSX Series Plug and Play Harness is the highest quality, best value option for LS Motors in the industry today.  Save your hard earned time a...

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  • MS3Pro Flexfit Logo Hat

    $14.00$17.00

    FlexFit means high quality and a custom looking fit!  MS3Pro logo is stitched to the left of center and you can choose between Red and Black in various sizes.  Support your brand at the track or around town (and don't forget to send us a selfie wearing ...

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  • MicroSquirt Module Hardware Kit

    $9.50

    All the hardware you need to attach your MicroSquirt Module to a PCB, all headers for the uS Module and the mainboard you would attach it too are included, along with standoffs and screws for security. (1) male and female 50 pin shrouded header (1) ...

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  • MicroSquirt Module V2.2

    5 out of 5
    $284.00

    MicroSquirt Module is a credit card sized engine management board! This board packs all the features of the MicroSquirt into a 3.5" x 2.4" PCB, with all components installed. This tiny ECU opens up unprecedented possibilities - there's never been a standa...

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  • AMP EFI Patriotic Flag T-shirt

    $20.00

    AMP EFI Patriotic Flag T-Shirt This shirt embodies the spirit of American Made Performance, with all our products proudly made in the USA. The patriotic flag logo on the back showcases our pride in our country. Crafted from high-quality, breathable fa...

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  • DD-EFI Foxbody T-Shirt

    $19.99

    DD-EFI Foxbody T-Shirt This shirt embodies the spirit of American Made Performance, with all our products proudly made in the USA. Crafted from high-quality, breathable fabric, this shirt ensures optimal comfort and durability. Designed for both perfo...

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  • MicroSquirt / MS3Pro-Mini AMPSEAL Connector

    $39.99

    Planning to make your own MS3Pro-Mini, MicroSquirt or AMP'd MicroSquirt harness? This plug and pin kit features a 35 pin MicroSquirt / MS3Pro-Mini connector and more than enough gold plated pins!

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  • MS3Pro Logo T Shirt- Pink Ladies

    $20.00

    'Official' MS3Pro Pink Ladies Cut Logo T Shirt, available in various sizes!  MS3-Pro: Advanced Power Management  

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