Sale

Air and Fuel Fuel Injection Systems and Components - Electronic

Holley

Sniper EFI Stealth 4150 Shiny Finish

$1,687.95 $1,499.95 Save $188.00

SKU: H00E 550-870

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

Moderate — 2–4 hours

Description

The Holley Sniper Stealth 4150 EFI system (MPN 550-870) replaces 4150 flange carburetors, supporting up to 650 HP naturally aspirated and 600 HP forced induction. It features self-learning fuel mapping, ignition timing control, and discreet wiring for a clean installation. Transmission kickdown provisions are included for various GM and Ford applications.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandHolley
Part NumberH00E 550-870
Weight10.15 lb

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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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