Choose from popular GM electronic fuel injection ECMs or powerful aftermarket ECUs. Many ECUs are supported by our 24x and 58x systems.
A Transmission Control Module (TCM) is required for GM 4-speed and 6-speed automatic transmissions when using a 58x-equipped engine with a GM Gen IV LS-Series ECM (like E38 or E67 ECM).
Used and refurbished BCMs, often used with Bench Programming.
Sign up to receive updates and news from EFI
All images within this website are property of EFI Connection, LLC. These images are not to be used for marketing purposes on any other website.
Copyright © 2019 EFI Connection, LLC. All Rights Reserved.