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Holley EFI

Universal Cam Sync Systems

Early Model Small and Big Block Fords

Part # 556-123 Be the first to write a review
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Holley Days Price
$244.95
Suggested Retail
$273.00
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Specifically designed for use in unlimited racing applications equipped with an external, dry timing-belt, cam drive system, where the bracket must be remote mounted to a front motor plate or some mounting surface other than a designated cam cover mounting flange. (i.e.: Early model Small & Big Block Fords, etc.)

Features:

  • Includes 3 wire hall-effect sensor, all billet constructed, anodized, aluminum bracket & stainless T-Nut, better than grade 8 mounting hardware, mating connector, and SS ¼”-20 “flying magnet” screw w/ high-temp, rare-earth magnet
  • Unique t-nut and bracket design allows for complete sensor adjustment from the outside of the bracket with a single jam nut
  • Designed to provide a plug-&-play cam position signal to Holley EFI systems yet compatible with any EFI system which can read a digital, square-wave cam input signal
  • Bracket assembly can be mounted at any angle about the perimeter of the cam pulley to clear various front accessory drive arrangements

About Holley EFI

Holley is the new standard in EFI! Whether you're engine swapping your classic car or need to manage 4000 horsepower in your twin-turbocharged drag radial race car, Holley EFI has the solutions you need to get your project up and running better than ever!

ApplicationUniversal
Brand Holley EFI
Emission Code4
Product TypeHall Effect Cam Sync
UPC090127724897
Part Number556-123
4

This part is legal for sale or use on Racing Use Only Vehicles

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

Holley EFI Dealers
Do you need a custom kit built for your application? Do you need a system installed and tuned? Click here to find the Holley EFI dealer in your area!
Installation of this kit should not be attempted until the instructions have been completely read and understood.
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     X  Holleydays 2021
     X  Holleydays 2021