Holley EFI 550-850K
Holley EFI 550-850K
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Holley Sniper EFI

Holley EFI 550-850K

4.5 stars out of 2 reviews
(4.5)|
2 ratings
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Key item features

  • Direct Carburetor Replacement: This Holley EFI system offers a bolt-on replacement for 2300 Flange carburetors, supporting up to 350HP with two 100lb/hr injectors.
  • Integrated ECU Design: The throttle body features a mounted ECU, eliminating the need for external boxes and simplifying installation with only four required wiring connections.
  • Transmission Compatibility: Equipped with provisions for C4/C6 Ford transmission kickdown levers, as well as TH350, 400, and 700R4 transmissions.
  • Simplified Setup & Tuning: Includes a high-resolution full-color touchscreen for initial setup, tuning, and gauge displays, along with a self-tuning ECU and calibration wizard.
  • Realtime Fuel Learning: A genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides real-time fuel map learning, ensuring optimal performance without a laptop.
  • Internal Fuel Regulation: Features an internal fuel pressure regulator, preset to 58.5 PSI, which eliminates the need for external plumbing.
  • Exhaust Sensor Kit: Comes with a clamp-on oxygen sensor kit for 2.25" exhaust, including stainless steel T-Bolt clamps and a weldable oxygen sensor flange.
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Current price is $1,438.95
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Columbus, 43215
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4.5 out of 5 stars
stars2 ratings1 review
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Showing 1-1 of 1 review

Jan 23, 2020
JEP31
5 out of 5 stars review

Great Product!

I have not got it on the car however it is Great for my 4.3 V6 that I am putting in a Model A. The look is what I wanted and the install instructions are easy to follow.

Review from jegs.com
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