Holley EFI Ignition Harness 558-127

Holley EFI
HOL558-127
Heads up — this is a Special Order item. We don't carry it on the shelf, but we can bring it in for you! Lead times vary and can be 10 weeks or more depending on the manufacturer. Give us a call or send us a message so we can check current availability and walk you through your options before you commit to an order.
$349.93
$331.73
$349.93

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Holley EFI Ignition Harness 558-127

Vendor: Holley EFI

Holley EFI Ignition Harness 558-127

$331.73 $349.93

Vendor: Holley EFI

Holley EFI Ignition Harness 558-127

$331.73 $349.93

Holley EFI Ignition Harness

558-127

BENCHTOP EFI HARNESS;bench harness; bench top harness; dominator test harness; ecu test harness; hp test harnes; terminator x test harness; efi test harness; bench; ecu bench harness; dominator bench harness; hp bench harness; terminator x bench harness; ecu bench harness;;Holley EFI Benchtop Harness;Test Harness for Firmware Updating, Dash Configuration, and ECU Testing.;Designed for benchtop testing and setup of HP, Dominator, Terminator X, Terminator X Max, and Sniper ECU's, as well as 7" dashes. Great for ECU diagnostics, firmware updating, or pre-configuring dash layouts without being in the vehicle. Harness has pre-terminated connectors for the following sensor inputs: CAN, Crank, Cam, TPS, Input #1, P1A, Main Power, and Sniper EFI connectors for a Sniper main harness. Also includes a power switch for quick setup in your workspace. Power and Ground flying leads need to be connected to your battery or power supply. (Not included);Terminated connectors for several EFI inputs;Included power switch allows for a quick “install” on your test bench;Great for ECU diagnostics that do not require a running engine, firmware updates, or 7” dash calibrations