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Holley EFI

Universal Coil On/Near Plug Harness

For use with Holley® HP and Dominator ECUs and other EFI systems

Part # 558-307 Be the first to write a review
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$124.95
Suggested Retail
$139.00
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Universal Coil On/Near Plug Harness – Use to connect Holley PN 558-312 or factory GM LSx coil harnesses to Holley HP or Dominator ECU's

Features:

  • For use with Holley HP or Dominator ECUs
  • Universal
  • Connects 558-312 or factory GM LSx coil harnesses

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!

Brand Holley EFI
Emission Code3
Harness ApplicationUniversal
Harness TypeIgnition
Product TypeDistrutorless Ignition - DIS - smart coil
UPC090127686829
Part Number558-307
3

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles.

The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

  • 1965 and older U.S. manufactured California Certified vehicles
  • 1967 and older U.S. manufactured Federally Certified vehicles
  • 1967 and older Foreign manufactured vehicle

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition and 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

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle
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    Some parts are not legal for use in California or other states with similar regulations.