Ignitions and Electrical› Computers, Chips, Modules and Programmers
Holley
Terminator -X MPFI Kit GM LS2/LS3 Truck
SKU: H00E 550-931
Moderate — 2–4 hours
Description
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 550-931 |
| Weight | 9.2 lb |
Videos
How To: Install Terminator X EFI on any LS Engine
Silverado Holley Terminator X Integration (Part 1)
Holley Terminator X Max install for newbies! Easier than you think!
Terminator X Full Install and Overview
Don't Buy A Holley Terminator X Before Watching This Video
How to Set Your IAC & TPS for a Perfect Idle | Holley Sniper EFI, Terminator X, & Holley EFI
How to Install a Holley Terminator X Max ECU on a Ford Coyote Engine
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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