Air and Fuel› Fuel Injection Systems and Components - Electronic

Holley

Sniper 2 EFI 4-Barrel Conversion Kit

$1,398.69

SKU: 9C973-4HSP

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Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Holley Sniper 2 EFI is a self-tuning fuel injection conversion kit designed for common 4-barrel (4150 flange) carburetors. It offers an easy-to-install solution to upgrade classic vehicles with modern fuel injection benefits. This system supports up to 650 naturally aspirated horsepower and features 100 lb/hr injectors. The shiny finish adds a custom look to your engine bay.
Show original supplier description
The Holley Sniper 2 EFI Self-Tuning Kit provides a straightforward path to convert your carbureted vehicle to modern electronic fuel injection (EFI). It is designed to replace common 4-barrel carburetors with a 4150 flange. This EFI conversion is capable of supporting up to 650 horsepower in naturally aspirated applications. It features 100 lb/hr injectors, ensuring adequate fuel delivery for moderate performance levels. The self-tuning technology simplifies the setup process, automatically optimizing fuel delivery as you drive. The kit comes with a durable shiny finish, providing a clean and attractive aesthetic for your engine bay. Ideal for enthusiasts looking to modernize their classic vehicle's performance and reliability, the Sniper 2 EFI system brings the advantages of EFI without the complexity often associated with custom tuning. Its direct-replacement design for 4150 carburetors makes it a popular choice for a wide range of applications.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandHolley
Part Number9C973-4HSP
CategoryAir and Fuel
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Returns & Fitment

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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Shipping

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