Universal Coil On/Near Plug Harness

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

PART# 558-307

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$113.95   Suggested Retail
$102.95   Your Price
Estimated shipping date: 05/10/2018
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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


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


BrandHolley EFI
Harness ApplicationUniversal
Harness TypeIgnition
Product TypeDistrutorless Ignition - DIS - smart coil
Part Number558-307

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