Installation Time
(approx) 1 Hour
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
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$2,399.95 kit
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Features, Description, Q&A, Specs & Installation
Advanced EFI Engine Management System. The Holley EFI Terminator X Max with Drive-By-Wire Throttle Body Control for EV6 Fuel Injectors delivers precise engine management for improved fuel efficiency and power in Gen III HEMI engines. Designed to control all fuel and ignition functions, it enables enthusiasts and professionals to optimize engine performance and tuning with ease.
Construction and Appearance. This system features a compact, textured black ECU housing built for durability and heat resistance, ensuring reliability in high-performance environments. The design incorporates integrated sensors and high-quality connectors to facilitate seamless integration with factory components and aftermarket accessories.
Installation. Installation is straightforward with direct plug-and-play compatibility for EV6 injector harnesses, requiring no drilling or major modifications. The compact size allows flexible ECU placement while ensuring that diagnostic LEDs remain visible.
Application. This EFI system fits 2007-2012 5.7L, 6.1L, and 6.4L Gen III HEMI engines without Variable Valve Timing (VVT), including the 2008-2012 V8 HEMI Challenger models without VVT. It provides precise control tailored specifically for this engine configuration.
Holley EFI 550-1423
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation Info
Installation Time
(approx) 1 Hour
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
What's in the Box