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Holley EFI 558-448 - J1A/J1B ECU Connector Kit

J1A/J1B ECU Connector Kit with Pins and Seals

If you already have your own wire and simply need the connectors and pins, we have you covered with our new ECU connector and pins kit, allowing you to fully terminate your own custom main harnesses!
Availability: Call to check stock.
Shipping: Free Shipping* On Orders Over $99!
Pricing: $81.02


Pre-Terminated J1A and J1B Tyco Superseal Connectors
60x - 20-22ga pre-terminated wires
20x - 16-18ga pre-terminated wires
30 cavity plugs

California Proposition 65

California Prop 65WARNING: Cancer & Reproductive Harm -


  • 558-448
  • 558-448
  • 090127054864
  • Holley EFI
  • Call to check stock.
  • New


Shipping Information

  • Item Requires Shipping
  • 1.0 lbs.
  • W3.0000” x H2.0000” x L7.0000”
  • Free Shipping* On Orders Over $99!

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