Holley EFI 550-849K
Holley EFI 550-849K
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Holley EFI 550-849K

5 stars out of 1 review
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Key item features

  • Direct Replacement: This Holley EFI system is a bolt-on 2300 Flange Carburetor Replacement, supporting up to 350HP with two 100lb/hr injectors.
  • Integrated Control: Features a throttle body mounted ECU, eliminating extra boxes, and includes integrated ignition timing control.
  • Simplified Wiring: Requires only four wiring connections (Battery +, Battery -, Switched Ignition & RPM) for straightforward installation.
  • Internal Regulation: An internal fuel pressure regulator, preset to 58.5 PSI, removes the need for external plumbing.
  • Intuitive Setup: Comes with a high-resolution full-color touchscreen for initial setup, tuning, and gauge displays, along with a simple calibration wizard.
  • Self-Tuning Capability: The self-tuning ECU and included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provide real-time fuel map learning without a laptop.
  • Transmission Compatibility: Equipped with C4/C6 Ford transmission kickdown lever and provisions for TH350, 400, and 700R4 transmissions.
  • Air Cleaner Adaptability: Accepts many common 5 1/8 OEM or aftermarket air cleaner assemblies for versatile use.
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Columbus, 43215
Arrives by Wed, Feb 25
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Showing 1-1 of 1 review

May 17, 2019
Truck Buddy
5 out of 5 stars review

World of difference

I finally have it installed by my mechanic and I couldn't believe my old "79" F100 could smoke tires but it did. I'm going to have to get use to the new acceleration and looking forward to seeing what kind of fuel mileage I'll get with this new system..

Review from jegs.com
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