Australia-wide shipping on performance, 4x4 and vehicle-specific upgrades.

Holley EFI ECU Connector Kits 558-448 Wire Connectors, EFI, Connectors, J1A/J1B Sealed Connectors, 20-22 and 16-18 gauge Wire Pins, Cavity Plugs, Kit

Holley EFI ECU Connector Kits 558-448 Wire Connectors, EFI, Connectors, J1A/J1B Sealed Connectors, 20-22 and 16-18 gauge Wire Pins, Cavity Plugs, Kit

A$262.17
IN STOCK! Est Ship 4-7 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.
View cart
We accept
American Express
Mastercard
Visa
PayPal Checkout
Direct Deposit
Afterpay
Apple Pay
Google Pay
Zip Pay

Description

You already have the wire and Holley EFI ECU connector kits have the rest of what you need to rewire your EFI installation. Fully terminate your own custom main harness with Holly EFI ECU connector kits.

Features include:

* Pre-terminated J1A/J1B Tyco Superseal connectors
* 20 to 22 gauge pre-terminated wires
* 16 to 18 gauge pre-terminated wires
* Cavity plugs

Part Type

Wiring Connectors and Pigtails

Data: v4.2 - Upd: 2026-10-13 18:47:39

Specifications

Product Attributes - Brand
Holley
Product Attributes - Manufacturer's Part Number
558-448
Product Attributes - Part Type
Wiring Connectors and Pigtails
Product Attributes - Product Line
Holley EFI ECU Connector Kits
Product Attributes - UPC
090127054864
Product Attributes - Connector Style
Connector and pins
Product Attributes - General Connector Family
AMP/TYCO
Product Attributes - Connector Model
J1A, J2B
Product Attributes - Weather-Resistant
Yes
Product Attributes - Connection Style
Male
Product Attributes - Notes
One plug has 26 wire, and the other has 34. Comes with J1A and J1B Tyco Superseal ECU connector and pins kit, allowing you to fully terminate your own custom main harnesses.
Product Attributes - Quantity
Sold individually.
Product Attributes - Connector Type
Male

Reference Information

Brand Name/s Holley
StreetFX SKU hly558-448
SFX Item ID 4783265
Supplier Item Code 4783265
Manufacturer SKU 558-448
Manufacturer UPC 90127054864
Alternative References HOL558-448, J1A/J1B

Compatibility

Application Data
  • UniversalYes
    General Connector UsageECU
    Wire Connector Part TypeWeatherproof Connector

Loading compatibility information...