Sale

Ignitions and Electrical Computers, Chips, Modules and Programmers

Holley

Terminator X Max MPFI w/ Trans Control LS1 w/EV6

$2,081.95 $1,866.80 Save $215.15

SKU: H00E 550-919T

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

Moderate — 2–4 hours

Description

The Holley Terminator X MAX Engine Management System provides advanced engine control for LS engines with Holley EFI’s race-proven technology. Key features include self-learning fuel strategies, real-time fuel map learning, high impedance injector drivers, and an integrated 1bar MAP sensor. It has 4 programmable inputs/outputs for electric fans, boost control solenoids, etc. This system includes 4L60E/4L80E transmission control and pre-loaded base maps for common LS engine combinations. The free Terminator X Software offers multiple calibrations and full laptop access. Specifically for GM LS1/LS6 engines with a 24x crank reluctor and EV6 injectors. Does not support low impedance injectors. Includes a Bosch LSU 4.9 wideband for precise AFR readings. Advanced boost and nitrous control options available.

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

BrandHolley
Part NumberH00E 550-919T
Weight8.85 lb

Videos

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