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FAST 302003L-TCU EZ-EFI Complete LS Engine Fuel Injection Kit with Transmission Control

(Chevrolet Silverado 1500 1999-2007, Suburban 1500 2000-06, Camaro 1998-2002, 2014-15, Corvette 1997-2013, Tahoe 2000-06, Trailblazer 2006-09 + 23 more models)

Manufacturer

Picture for manufacturer FAST

Part Number

302003L-TCU
13 reviews
Sale Price

$5,345.95

Estimated ship date Tuesday, November 24

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No Hassle Returns

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Live-in-stock inventory

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Fitment guaranteed

Fitment guaranteed

Product Details

Transform your LS engine with the FAST EZ-EFI 302003L-TCU complete fuel injection system—the most comprehensive EFI solution available for LS swaps and builds. This all-in-one kit combines advanced engine management, ignition control, and transmission control in a single integrated package designed for bolt-on installation.

Complete System Includes:

  • FAST EZ-EFI 2.0 Fuel Management ECU with self-tuning technology
  • LSXRT intake manifold engineered specifically for LS engines
  • Big Mouth throttle body for maximum airflow
  • Billet aluminum fuel rails with integrated pressure damping
  • Precision Flow fuel injectors matched to your application
  • Inline fuel pump with integrated regulator and filter
  • XIM ignition module for complete spark control
  • TCU transmission controller for automatic transmission management
  • Multiport wiring harness with weatherproof connectors

Key Features:

  • Self-tuning EZ-EFI technology learns and optimizes fuel delivery automatically
  • Integrated ignition timing control through XIM module eliminates need for MSD boxes
  • TCU provides full automatic transmission control with adjustable shift points and firmness
  • Touch-screen handheld display for easy setup and real-time monitoring
  • Supports naturally aspirated and forced induction applications up to 650 horsepower
  • Complete bolt-on solution—no laptop required for tuning
  • Compatible with 4L60E, 4L65E, 4L70E, 4L80E, and 4L85E transmissions

The FAST EZ-EFI system eliminates the complexity of traditional standalone ECUs with its revolutionary self-learning algorithm. Simply install the components, answer a few basic setup questions on the handheld display, and let the system tune itself as you drive. The included XIM ignition module provides precision spark control, while the TCU transmission controller ensures smooth, optimized shifts. Perfect for street rods, muscle car restorations, off-road builds, and any LS swap project requiring complete engine and transmission management.

Products specifications

Fits

Chevrolet Silverado 1500 1999-2007, Suburban 1500 2000-06, Camaro 1998-2002, 2014-15, Corvette 1997-2013, Tahoe 2000-06, Trailblazer 2006-09, Avalanche 1500 2002-06, Express 3500 2003-05, Express 2500 2003-07 + 20 more models

Injection Type

Multi-Port

C.A.R.B. Exempt?

No

Compatible w/ Returnless Fuel System?

No

Uses Fuel Pressure Sensor?

No

Laptop Datalogging Support

No

Requires Separate Personal Computer?

No

Able to Control Boost?

No

Nitrous Compatible?

No

Individual Cylinder Corrections?

No

Can Support Internal Datalogging?

No

Fuel Injection Series

EZ-EFI Fuel

Able to control ignition timing?

No

Boost Compatible?

No

Compatible w/ E85 Fuel

No

Knock Retard Compatibility?

No

Prop 65

WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov

Fast, easy, good prices

No issues - a bit slow, but otherwise OK

Easy and cheap will see when get the part

very good

Easy navigation and simple to find my parts.. Second time I've ordered from you guys and it's been great so far

So far so good

easy to use website

This site was just like shopping at a real store. It was easy to make my order and I was able to do it on the go on my smartphone which is important to me that a site is compatible with handheld. Bravo

Good

WAY cheaper than other competitors and the web site and search engine works great, nothing was hard to fine, thanks. Will be back for sure!!!

decent, i wish i could stack coupons

quick & easy, but more emails than nessesary

Same day shipping. 20 Dollars cheaper than everywhere else!

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