Installation Time
(approx) 6 Hours
Difficulty Level:
Mechanical expertise or professional installation required.
Installation Guides
No guide available for this part yet.
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$1,999.95 set
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Features, Description, Q&A, Specs & Installation
Complete Fuel Injection System. The Holley EFI Terminator X Max Fuel Injection System with Transmission Control for EV6 Fuel Injectors provides full engine and transmission management for GM Gen IV LS engines and compatible transmissions. Featuring self-learning fuel strategies and advanced programming capabilities, this system delivers precise control for a wide range of applications, from street to race.
Construction and Appearance. This system includes a compact black textured ECU engineered to withstand demanding automotive environments. The included touchscreen handheld (with select configurations) offers a modern, intuitive user interface designed for easy calibration and tuning.
Installation. Installation utilizes a plug-and-play style harness kit compatible with factory sensors and components, minimizing the need for cutting or drilling. The system is designed for OEM-style integration to simplify installation and ensure reliable operation.
Fitment and Application. Compatible with Gen IV 48-53-60 GM truck engines and LS2/LS3 engine families. Suitable for use with EV6 fuel injectors and supported transmission control systems including the 4L60E and 4L80E. This system is intended for use on uncontrolled (non-emissions controlled) vehicles or racing applications unless otherwise specified.
Holley EFI 550-918
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation Info
Installation Time
(approx) 6 Hours
Difficulty Level:
Mechanical expertise or professional installation required.
Installation Guides
No guide available for this part yet.
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