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Air and Fuel› Fuel Injection Systems and Components - Electronic

Holley

HOLLEY MA MPFI W/TRANS CONTROL 550-918-B

$2,024.95 $1,799.95 Save $225.00

SKU: H00E 550-918-B

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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

The Holley Terminator X Max is an EFI system designed for GM LS 4.8/5.3/6.0L truck engines and LS2/LS3 engines with 58x crank, 4x cam, and EV6 injectors. It features real-time fuel learning, high impedance injector drivers, and an integrated 1bar MAP sensor. The system includes transmission control for 4L60E or 4L80E transmissions.

It comes with base maps for common LS engine combinations and a 3.5-inch touchscreen LCD handheld for calibration, tuning, and gauge display. The included software suite allows for advanced laptop tuning. The system also offers 4 programmable inputs and outputs for accessories like electric fans and nitrous control.

Fitment

Fitment Guaranteed

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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 550-918-B

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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