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Holley Wire Harness Kit - EFI Terminator I/O
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Holley Engine Control Module (ECM) Wiring Harness for Wire Harness Kit - EFI Terminator I/O - Part #558-420

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MPN: 558-420UPC: 090127688519
Only 6 left in stock - order soon!
$56.25$66.51SAVE 15%
Starting at $5/mowithaffirm
Manufacturer's Limited 90 Day Warranty
Fits:Universal Fit

EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each

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This kit contains 4 extra input wires and 1 extra output wire that the base Terminator EFI harness does not contain.

Overview

EFI Wiring Harness
- Input / Output
- Holley Terminator EFI
- Each

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