Showing 17–32 of 39 results
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MS3Pro Plug and Play GM LS Alternator Lead Extension Harness
$26.9930" 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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MS3Pro ULTIMATE with GM LS 58x Plug and Play Harness
From: $2,099.99This COMPLETE package includes an MS3Pro ULTIMATE ECU, a 58X ULTIMATE specific Drop On Harness & black center expanded I/O pigtail. Experience the ULTIMATE. Developed from the MS3Pro 1st Gen platform, the Ultimate brings NEXT LEVEL capability...
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GM LS 24x Plug and Play Engine Harness – for MS3Pro Ultimate/Evo
From: $899.00Designed for MS3Pro ULTIMATE plug and play installation. HARNESS ONLY in this listing The MS3Pro 24x LS Plug and Play Harness is the highest quality, best value option for LS Motors in the industry today. Save your hard earned time and money while...
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GM LS 58x Plug and Play Engine Harness – for MS3Pro Ultimate/Evo
From: $899.00For MS3Pro ULTIMATE/ EVO plug and play installation on GM LS engines with a 58x crank trigger. The MS3Pro 58x LS Plug and Play Harness is the highest quality, best value option for LS Motors in the industry today. Save your hard earned time and money...
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AMPEFI Transmission Controller with 4L80E Subharness
$499.994L80E Plug and Play Transmission Control Seamlessly control your 4L80E transmission with AMPEFI Transmission Control! The supplied 4L80E subharness provides a simple, plug and play integration with MS3Pro and directly mates with our LSx drop on ha...
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AMPEFI Transmission Controller with 4L60E Subharness
$499.99AMPEFI 4L60E Plug and Play Transmission Control Seamlessly control your 4L60E transmission with AMPEFI Transmission Control! The supplied 4L60E subharness provides a simple, plug and play integration with MS3Pro and directly mates with our LSx drop ...
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4 Pin M12 Serial Cable
$29.99Optional, connect MS3Pro ULTIMATE directly to your laptop with this 4 pin M12 serial cable.
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MS3Pro 1st Gen Wiring Harness Upgrade (for ULTIMATE & EVO)
$23.99If you have a previously installed MS3Pro harness (1st Gen) and want to change to an MS3Pro ULTIMATE or EVO ECU, the upgrade path is simple. However, complete functionality will require a few basic changes to your 1st Gen harness. Our wiring upgrade ki...
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MS3Pro Flexfit Logo Hat
$17.00FlexFit means high quality with a custom looking fit! MS3Pro FlexFit logo hats are available in Black and in various sizes. Support your brand at the track or around town (and don't forget to send us a selfie wearing your MS3Pro gear!)
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MS3Pro Logo T Shirt- Pink Ladies
$15.00'Official' MS3-Pro Pink Ladies Cut Logo T Shirt, available in various sizes! MS3-Pro: Advanced Power Management
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MS3Pro Logo T Shirt
$15.00'Official' AMP EFI | MS3Pro Logo T Shirt, available in cool, heather grey and black in various sizes!
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MAP – GM 3 Bar MAP Sensor
$67.00Standard GM style 3-bar MAP Sensor (Manifold Absolute Pressure Sensor), compatible with the MS3-Pro and all flavors of the MegaSquirt EMS / MicroSquirt EMS. Assembled in the USA, unlike the current Delphi production. Calibration is linear with 1.1 k...
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MAP – GM 3 Bar MAP Sensor 6″ Pigtail
$12.49Compatible with standard keying of GM's 3-Bar Map Sensor. This plug features 6" of pigtail and is ready to be added to your wiring harness. Color coding when used with our 3 bar MAP sensor is as follows: Black - Sensor Ground Green - Signa...
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Mazda Miata 1990-1993 MS3Pro PnP Plug and Play
From: $1,149.99MS3-Pro Plug and Play takes engine management to the next level! Easy to Use and Install! MS3-Pro Plug and Play Model #MM9093 Features: Fully Plug and Play Installation - No wiring required for basic functionality. Average install time is und...
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Mazda Miata 1994-1995 MS3Pro PnP Plug and Play
From: $1,149.99MS3-Pro Plug and Play takes engine management to the next level! Easy to Use and Install! MS3-Pro Plug and Play Model #MM9495 Features: Fully Plug and Play Installation - No wiring required for basic functionality. Average install time is und...
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