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GM LS 58X Plug and Play Harness Solution
Product

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

SKU: LS58xEU

From: $899.00

For 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 while experiencing the virtually limitless feature set of MS3Pro…

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Variation #122163 of GM LS 24X Plug and Play Harness Solution
Product

MS3Pro ULTIMATE with GM LS 58x Plug and Play Harness

SKU: PKG-LS58xU

From: $2,099.99

This 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 to MS3Pro’s staggering feature set beginning with a new high quality aluminum IP65 rated, water resistant enclosure.  The Ultimate provides 10 programmable…

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MS3Pro EVO Standalone Engine Management System
Product

4 Pin M12 Serial Cable

SKU: MS3V-4_HM12

$29.99

Optional, connect MS3Pro ULTIMATE directly to your laptop with this 4 pin M12 serial cable.

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PAY OVER TIME, ON YOUR TERMS

AMPEFI has partnered with Affirm to offer our customers easy, affordable financing for your engine management system needs! Instant approval, no hidden fees or surprises. See below for more information and frequently asked questions. Choose 3, 6, or 12 Monthly Payments CLICK HERE to Prequalify Now How to make a purchase with Affirm: Shop with…

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About Us

AMP EFI is the home of MS3Pro Engine Management Systems. Who are we? AMP EFI is a high performance engine & powertrain control systems brand focused on manufacturing professional, out-of-the-box solutions for today’s high I/O, high horsepower drag and road racing combinations.  Our systems are proudly manufactured and supported in the USA. What do we…

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Product

Mazda Miata 1994-1995 MS3Pro PnP Plug and Play

SKU: MSPNPPro-MM9495

From: $1,149.99

MS3-Pro Plug and Play Standalone Engine Management System
for 1994-1995 USDM Mazda Miata with manual transmission
*Does not fit European or Japanese market 1.6 models, but it does fit 1.8 versions.

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Product

Toyota Supra SC300 2JZ 1992-1998 MS3Pro PnP Plug and Play

SKU: MSPNPPro-JZ9298

$1,499.99

MS3-Pro Plug and Play – 2JZ Standalone Engine Management System

1993-1998 Toyota Supra Turbo (JZA80), manual transmission
1993-1997 Toyota Supra non turbo (JZA80), manual transmission
1992-1995 Lexus SC300, manual transmission

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