Sale

Ignitions and Electrical› Computers, Chips, Modules and Programmers

Holley

Terminator X Max GM LT4 GDI Late w/DBW TB

$4,106.95 $3,668.60 Save $438.35

SKU: H00E 550-1634-6

In Stock
In Stock
Ships by Jun 9
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

The Holley EFI Terminator X Max GM Gen V LT4 Direct Injection Kit with Late 6L80/90E EFI is a standalone ECU and wiring harness for GM Gen V LT4 direct injection engines, specifically designed for late 6L80/90E transmissions. It provides full control over engine and transmission functions for swap applications, offering advanced tuning, data logging, diagnostics, and self-learning capabilities. This kit improves throttle response, fuel efficiency, and overall drivability. Professional installation is required.

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 550-1634-6

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