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Holley

HOLLEY MPFI LS2/LS3 LATE TRUCK 550-905-1

$2,923.95 $2,598.95 Save $325.00

SKU: H00E 550-905-1

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

The Holley Terminator X is a multi-port fuel injection (MPFI) kit for GM LS engines. It features a 58x crank and 4x cam design with EV6 injectors and includes a 3.5-inch touchscreen handheld. The system offers real-time fuel learning, high impedance injector drivers, and an integrated 1-bar MAP sensor.

This EFI kit provides 4 programmable inputs and 4 outputs for accessories like electric fans, boost control solenoids, and nitrous control. It comes with base maps for common LS engine combinations and free EFI tuning software for advanced users. The ECU is compact for versatile mounting.

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 550-905-1

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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