Ignitions and Electrical› Computers, Chips, Modules and Programmers
Holley
Terminator -X MPFI Kit GM LS1 w/EV6 Inj Harness
SKU: H00E 550-909
Moderate — 2–4 hours
Description
Terminator X provides 4 programmable inputs and outputs, suitable for various applications like electric fans, boost control, and nitrous systems. It comes with base maps for common LS engine combinations to facilitate quick setup. The integrated 1-bar MAP sensor is ideal for naturally aspirated or nitrous applications, with provisions for external sensors for boosted setups.
Fitment
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Available on iOS & Android
Specifications
| Brand | Holley |
| Part Number | H00E 550-909 |
| Weight | 7.5 lb |
Videos
Terminator X Full Install and Overview
Speedway Tech Talk - LS Fuel Delivery Kit Questions
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Ebay LSX Billet Fuel rails, Review, how to
How To: Install Terminator X EFI on any LS Engine
Holley Terminator X Max install for newbies! Easier than you think!
Terminator X EFI for LS Engines
Holley EFI for Beginners -Where to Start! // Sniper, Terminator X, HP/ Dominator
All the different holley ecus compared
How to Tune Holley Terminator X for Beginners. Part 1
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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