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  • GM LS 58x PNP Harness and MS3Pro EVO+ Package

    From: $1,899.99

    Unleash the full potential of your engine with the MS3Pro EVO+—a cutting-edge, high-performance engine management system designed for serious racers and enthusiasts. Featuring advanced tuning capabilities, broad ignition compatibility, and seamless inte...

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  • GM LS 24x PNP Harness and MS3Pro EVO+ Package

    5 out of 5
    From: $1,899.99

    Note: This product has been expertly modified from our original 58X harness with only slight adjustments to meet 24X specifications   Unleash the full potential of your engine with the MS3Pro EVO+—a cutting-edge, high-performance engine managem...

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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 3 Bar MAP Sensor

    5 out of 5
    $77.99$89.99

    This GM 3-Bar MAP Sensor allows you to monitor up to 29 psi of boost pressure, making it an excellent choice for boosted applications. It offers accuracy and reliability, and it is frequently used with MegaSquirt ECUs, particularly in turbocharged or supe...

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  • 3 Position GM Type MAF & LS1 Crank/Cam Sensor Pigtail

    $19.00

    GM Mass Air Flow Sensor Pigtail - 3 position This 3 position pigtail fits certain 3 wire GM Mass Air Flow MAF sensors, as well as LS1 camshaft position sensors and crankshaft position sensors.  See image to verify this is the GM MAF Connector you're loo...

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  • GM 3 Bar MAP Sensor Uncrimped Connector & Pins

    $8.99

    The GM 3-Bar MAP Sensor Uncrimped Connector is designed for customizing and securing your MAP sensor connections. This uncrimped connector allows you to attach wires to the GM 3-Bar MAP Sensor with precision and reliability, ensuring optimal performance i...

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  • 2000cc Fuel Injector – High Impedance 14mm

    $175.00

    2000cc Fuel Injector - 14mm, Saturated/high impedance   For when too much is not enough, DIYAutoTune.com offers these enormous 2000cc fuel injectors! These use a 14 mm O-ring and a Nippondenso style connector, with a 60 mm O-ring to O-ring distan...

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