Holley EFI 550-931 Fuel Injection System
Holley EFI 550-931 Fuel Injection System
Hero image 0 of Holley EFI 550-931 Fuel Injection System, 0 of 10

Holley EFI 550-931 Fuel Injection System

(No ratings yet)
Car
Check if this fits your vehicle

Key item features

  • Engine Compatibility: Designed for GM 4.8/5.3/6.0 LS Truck Engines and LS2/LS3 with 58x Crank, 4x Cam, and Drive-By-Wire throttle bodies, utilizing EV6 injectors.
  • Advanced Tuning: Features real-time fuel map learning, high impedance injector drivers, and Bosch LSU 4.9 wideband for accurate AFR readings and precise tuning.
  • Integrated Sensors: Includes an on-board 1bar MAP sensor suitable for N/A or Nitrous setups, with recommendations for 2+Bar applications.
  • Versatile I/O: Provides 4 ground/PWM outputs for accessories like fans and boost control, and 4 inputs for additional sensors or activation triggers.
  • Control Capabilities: Offers comprehensive boost control (vs. time, gear, RPM, speed) and single-channel nitrous control with progressive options and safeties.
  • Diagnostic Features: On-board diagnostic LEDs for ECU power, engine run, wideband status, TPS calibration, and crank/cam signals for quick issue identification.
  • User Interface: Comes with a 3.5" touchscreen handheld for calibration, data-logging, and customizable gauge display, eliminating the need for a laptop.
  • Expandable System: Plug-and-play compatible with various Holley EFI accessories, including analog gauges, shift lights, and future 12.3" digital dash support.
Generated by AI
Current price is $1,708.95
Price when purchased online
  • Free shipping
  • Free 90-day returns

How do you want your item?

Try 30 days for just $1! Choose annual plan at checkout.
How do you want your item?
Columbus, 43215
Arrives by Tue, Feb 24
Sold and shipped by Walmart.com
Free 90-day returns
This item is gift eligible

More seller options (3)

Starting from $1,884.58
walmart plus

Try Walmart+ for just $1 & get a year for $75

T&C apply.
Claim offer now

About this item

Product details

Specifications

Warranty

Warnings

Customer ratings & reviews

0 ratings|0 reviews
This item does not have any reviews yet