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Air and Fuel› Fuel Injection Systems and Components - Electronic

Sniper EFI

SNIPER STEALTH 4150 MASTER KIT POLISHED

$2,024.95 $1,814.95 Save $210.00

SKU: S012 550-870K

In Stock
In Stock
Ships by Jun 7
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Holley Sniper 550-870K is a direct bolt-on replacement for 4150 flange carburetors. It features a throttle body mounted ECU, eliminating the need for extra boxes. This system supports up to 650hp with four 100 Lb./Hr. injectors. It includes a high-resolution full-color touchscreen for setup, tuning, and gauge displays, and its self-tuning ECU simplifies EFI conversion.

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

BrandSniper EFI
Part NumberS012 550-870K

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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