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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Features, Description, Q&A, Specs & Installation
Advanced Fuel Management. The Holley EFI Terminator X Max Fuel Injection System provides precise fuel injection control for GM LS 4.8/5.3/6.0 truck engines. This system enhances engine performance and drivability through self-learning fuel strategies and user-tuneable parameters, making it ideal for motorsport enthusiasts and LS engine builders seeking a budget-friendly yet powerful EFI solution.
Construction and Appearance. Featuring a textured finish for durability and professional appearance, the unit is built with high-quality components and includes a 3.5-inch touchscreen handheld for real-time tuning and mapping, offering a modern, ergonomic interface.
Installation. Installation requires basic automotive wiring knowledge and is moderately challenging. It integrates directly with existing engine sensors and connectors, with no drilling necessary.
Warranty. This product includes a manufacturer-backed warranty for added peace of mind.
Application. Specifically designed for 99-06 V8 Silverado 1500 models, it supports Gen III GM truck engines equipped with 24x crank reluctor and Multec 2 injectors, intended for non-emissions-controlled vehicles.
Holley EFI 550-917
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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