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Price: $123.95

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Commander 950 Multi–Point Service Parts

Pro-Jection E-Prom

PART #: 534-77

UPC #: 090127432778

Pro–Jection 4DI TBI E–Prom
Pro–Jection 4DI TBI E–Prom

Installation Notes
To download the latest software:

1. Type in http://www.holley.com/TechService/Library.asp (or go to the top of this screen adn click “Technical”, then “Resource Documents and Downloads”) and scroll down to “Fuel Injection”. Click on “Pro–Jection 4Di Tuning Software”. It will ask you to “Open” or “Save”. Click “Open” and you will see a folder named “4Di Software”. Click on this and look for a pdf file named “Instructions to Download”. (If you do not have Adobe Reader, you can download it free at www.adobe.com) Follow these instructions to complete the download.

2. The software is now installed.

  • E-Prom chip

Technical Information

Shipping Dimensions
L 5.500 in. x W 3.000 in. x H 5.250 in.
Weight 1.000 lb.

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