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Ignitions and Electrical Computers, Chips, Modules and Programmers

Holley

Terminator X Max MPFI Sys. Ford w/Trans Contr.

$2,137.95 $1,916.85 Save $221.10

SKU: H00E 550-943

In Stock
In Stock
Ships by Jun 8
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Holley 550-943 Terminator X Max is a Multi-Port Fuel Injection (MPFI) kit designed to provide complete control over conventional Ford V8 engines. It features real-time fuel learning, high impedance injector drivers, an integrated 1-bar MAP sensor, and four programmable inputs and outputs for various functions like electric fans, boost control, and nitrous control. The kit includes base maps for common V8 engine combinations, a 3.5-inch touchscreen LCD handheld for calibration and display, and access to Holley EFI's tuning software. It is marketed as a budget-friendly solution for both street and race applications.

Fitment

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Specifications

BrandHolley
Part NumberH00E 550-943
Weight8.45 lb

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Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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