Air and Fuel› Intake Manifolds and Components

Holley

Super Sniper 4 EFI Throttle Body

$2,299.99

SKU: 550-519D

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Holley Super Sniper 4 EFI Kit is a 4-barrel fuel injection conversion system featuring a black finish. It is designed to fit both 4150 and spread bore manifolds. This kit includes injectors and has a venturi diameter of 44.45mm with an airflow rate of 800 cfm.
Show original supplier description
The Holley Super Sniper 4 EFI Kit is a 4-barrel fuel injection conversion system designed to replace traditional carburetors with modern EFI technology. This kit features a sleek black finish and is engineered to fit both 4150 and spread bore manifolds, offering broad compatibility. Key specifications include a 44.45mm venturi diameter and an airflow rate of 800 cfm, capable of supporting up to 650 horsepower. The throttle body is constructed from durable cast aluminum, and the kit comes complete with injectors. It is also certified to ISO 8846 standards. This system provides a direct upgrade path for vehicles seeking the benefits of electronic fuel injection, such as improved fuel economy, drivability, and power. The included handheld EFI monitor allows for real-time adjustments and tuning, simplifying the process of optimizing engine performance.

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

Fitment Guaranteed

Don’t gamble
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 Number550-519D
CategoryAir and Fuel
5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold
(760) 282-4645 hello@motormia.co

Buy with Confidence

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.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

View Full Shipping Policy