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  • MS3Pro EVO with GM LS 24x Plug and Play Harness

    5 out of 5
    From: $1,899.99

    MS3Pro EVO GM LS 24x Plug and Play includes an MS3Pro EVO ECU, TunerStudio software and the most rugged & durable GM 24X custom harness in the aftermarket.   Experience the MS3Pro EVO. MS3Pro EVO is an evolution, not a revolution- a scaled u...

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  • MS3Pro EVO with GM LS 58x Plug and Play Harness

    From: $1,899.99

    MS3Pro EVO GM LS 58x Plug and Play includes an MS3Pro EVO ECU, TunerStudio software and the most rugged & durable GM 58X engine harness on the market.   Experience the MS3Pro EVO. MS3Pro EVO is an evolution, not a revolution- a scaled up, mo...

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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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  • MAP – GM 3 Bar MAP Sensor

    $78.00

    MAP Sensor GM 3 bar (Manifold Absolute Pressure Sensor), standard, compatible with the MS3Pro and all flavors of the MegaSquirt EMS / MicroSquirt EMS. MAP Sensor assembled in the USA, unlike the current Delphi production. Calibration is linear with...

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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 3Bar MAP Sensor Uncrimped Connector

    $9.00

    Plug and pin set for a GM 3-bar MAP sensor.  We include an extra pin and wire seal just in case you need it as well. Also available as a pigtail, if preferred.  

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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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  • 3 Position GM Type Sensor Pigtail

    $8.00

    GM Sensor Pigtail - 3 position This 3 wire pigtail connector fits a number of GM applications, including certain camshaft position sensors, fan switch sensors, and oil pressure sensors. Please check picture against your existing socket before ordering.

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