Installation Time
(approx) 4 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 Engine Control. The Holley EFI Terminator X Injection System offers superior management of factory 302ci Small Block Ford engines in Fox Body Mustangs. It replaces the stock ECU with a powerful system that provides comprehensive tuning capabilities, including self-learning adjustments and real-time fuel strategies to enhance engine performance. This system is ideal for enthusiasts seeking precise engine control with proven EFI technology in an accessible package.
_x000D__x000D_Construction and Appearance. The system features durable electronic components housed within a compact ECU, complemented by a robust mounting bracket and vehicle-specific harnesses. It includes high-quality sensors such as the Bosch LSU 4.9 wideband oxygen sensor and an integrated 1 Bar MAP sensor equipped with multiple vacuum hose adapters. The handheld touchscreen offers a clear 3.5" LCD display with intuitive calibration controls, ensuring ease of use and reliability.
_x000D__x000D_Installation. Installation is straightforward using the plug-and-play harnesses designed specifically for the Fox Body Mustang 5.0L with the factory TFI distributor. No drilling or complex modifications are typically required, making this system accessible to users with intermediate mechanical skills.
_x000D__x000D_Warranty. This product includes a limited warranty covering defects in materials and workmanship as provided by the manufacturer.
_x000D__x000D_Application. Designed exclusively for 1987-1993 5.0L Mustang models with the factory TFI distributor, the system fits perfectly and maintains compatibility with stock ignition and fuel systems for seamless integration.
Holley EFI 550-937F
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation Info
Installation Time
(approx) 4 Hours
Difficulty Level:
Mechanical expertise or professional installation required.
Installation Guides
No guide available for this part yet.
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