Holley Fuel Injection 550-511-3XX — product image 1

Holley

Authorized Dealer

Holley Fuel Injection, Sniper 2 EFI, Throttle Body, Square Bore, Kit — 550-511-3XX

SKU: 550-511-3XX

$1,303.95

Holley Fuel Injection, Sniper 2 EFI, Throttle Body, Square Bore, Kit — 550-511-3XX

The maximum horse power (gasoline) is 650 HP.
Holley Fuel Injection, Sniper 2 EFI, Throttle Body, Square Bore, Kit — 550-511-3XX

Supplied as a kit.
37 In Stock - Ships in 1-3 days

Shipping & Returns

Shipping

Most in-stock products ship within 1-3 business days. Your available shipping method and final shipping cost will be shown at checkout. Qualifying standard-shipping orders of $150 or more ship free, while larger items may require oversized or freight delivery.

For more information, view our Shipping Policy.

Returns

Changed your mind? Most products can be returned within 30 days of delivery as long as they are unused, uninstalled, and in their original condition.

Contact us to start a return, and we’ll guide you through the next steps.

For complete details, view our Returns & Refunds Policy.

Warranty

Available warranty coverage is provided by the manufacturer and varies by brand and product. Modridge assists customers with eligible warranty claims and helps coordinate the review process with the manufacturer.

Contact us before returning, repairing, modifying, or discarding a product that may be defective. Order information, photographs, installation details, and diagnostic information may be required.

For coverage details and claim instructions, review our Warranty Policy.
  • Visa
  • Mastercard
  • Diners Club
  • PayPal
  • American Express
Holley Fuel Injection, Sniper 2 EFI, Throttle Body, Square Bore, Kit — 550-511-3XX

$1,303.95

$1,303.95

800 CFM

CFM

Aluminum

Throttle Body Material

Product Description

The Holley 550-511-3XX fuel injection has a type of throttle body injection. The maximum horse power (gasoline) is 650 HP. The CFM is 800 CFM.


Additional Details

The mass air / speed density is speed density. The throttle body flange style is square bore. The throttle body blade quantity is 4.

The throttle body uses aluminum with a black powder-coated finish.

Fuel injectors included. Fuel injector lb/hr is 100 lb/hr. Provides timing control.


What’s Included

  • Fuel Injection
  • 1 × throttle body
  • MAP sensor
  • Idle air control motor
  • Throttle position sensor
  • Intake air temperature sensor
  • 4 × fuel injectorses
  • Programmer
  • Oxygen sensors
  • Wiring harness

Specifications

Type
Throttle Body Injection
Maximum Horse Power (Gasoline)
650 HP
CFM
800 CFM
Mass Air / Speed Density
Speed Density
Intake Manifold Included
No
Throttle Body Included
Yes
Throttle Body Flange Style
Square Bore
Throttle Body Blade Quantity
4
Throttle Body Material
Aluminum
Throttle Body Color
Black
Throttle Body Finish
Powder Coat
Throttle Body Quantity
1
Fuel Rails Included
No
MAP Sensor Included
Yes
Idle Air Control Motor Included
Yes
Throttle Position Sensor Included
Yes
Intake Air Temperature Sensor Included
Yes
Fuel Injectors Included
Yes
Fuel Injector lb/hr
100 lb/hr
Fuel Injector Quantity
4
Computer Included
No
Self Tuning
Yes
User Tunable
Yes
Programmer Included
Yes
Timing Control
Yes
Power Adder Capable
Yes
Oxygen Sensors Included
Yes
Fuel Pump Included
No
Fuel Regulator Included
No
Distributor Included
No
Wiring Harness Included
Yes
Quantity
Kit

Recently viewed products

Clear history

Learn Before You Upgrade

  • Will It Fit Your Vehicle?

    A clear, step-by-step guide to verifying vehicle details, fitment notes, and part numbers before you buy.

    Read the Fitment Guide

  • DIY or Professional Install?

    Know the tools, time, supporting parts, and follow-up work before the installation begins.

    Plan Your Installation

  • Build It Once. Build It Right.

    Learn how to plan compatible upgrades in the right order and avoid paying twice for the same result.

    Plan Your Build
Image alt
Image alt
Image alt