Air and Fuel Fuel Injection Systems and Components - Electronic

Holley

Sniper 2 EFI Self-Tuning System

$2,932.33

SKU: 550-510DK

In Stock
In Stock
Ships by Jul 29
Free Shipping
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Holley Sniper 2 EFI is a self-tuning, easy-to-install electronic fuel injection conversion system designed for carburetors with a 4-barrel 4150 flange. It offers features like easy cold starts, smooth drivability, and improved fuel economy for classic vehicles. The system includes a 5-inch handheld display and a genuine Bosch LSU 4.9 wideband oxygen sensor for real-time fuel map learning. It supports up to 650hp naturally aspirated or 575hp on boost.

Fitment

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Specifications

BrandHolley
Part Number550-510DK
CategoryAir and Fuel

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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