Terminator X Max MPFI Kit w/Trans Control

Name: Terminator X Max MPFI Kit w/Trans Control
Brand: Holley
SKU: H00E 550-918
Price: 1916.85 USD
Availability: InStock

$2,137.95 $1,916.85 Save $221.10

SKU: H00E 550-918

In Stock

Ships by Jun 7

Free Shipping

Non-Returnable Item

DIY PRO SHOP

Moderate — 2–4 hours

Description

The Holley Terminator X Max (MPN 550-918) is an engine management system for GM LS 4.8/5.3/6.0 LS Truck Engines and LS2/LS3 with 58x Crank, 4x Cam, EV6 Injectors, and 4L60E/4L80E transmissions, featuring real-time fuel learn, high impedance injector drivers, and a 3.5-inch touchscreen handheld.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

Brand	Holley
Part Number	H00E 550-918
Weight	9.35 lb

Videos

How To: Install Terminator X EFI on any LS Engine

Terminator X Full Install and Overview

Terminator X EFI for LS Engines

Holley Terminator X Max install for newbies! Easier than you think!

The Best Budget LS Swap ECU 2019 (Holley Terminator X )

Budget 6.0 LS carb setup vs EFI cost and comparison

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.

View Full Return Policy