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Holley EFI 558-446

Holley EFI Pro Dash Service Harness; Replacement Harness

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Holley EFI 558-451

CAN Adapter Harness, 12"; 12" Male to Female CAN Adapter Harness

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Holley EFI 558-452

CAN Adapter Harness, 4'; 4' Male to Female CAN Adapter Harness

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Holley EFI 558-453

CAN Adapter Harness, 8'; 8' Male to Female CAN Adapter Harness

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Holley EFI 558-461

Holley EFI Ford GT500 and 3V Drive-by-Wire Throttle Body Harness; 2005-2010 Ford Mustang GT and GT500 Models

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Holley EFI 558-466

Weatherpak to GT MAP Adapter Harness; Stainless Steel

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Holley EFI 558-467

Delphi M/P 150 to GT MAP Adapter Harness; Stainless Steel

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Holley EFI 558-513

Holley EFI Harness Kit - Ford Foxbody 5.0L V8 W/Tfi; For 1979 to 1993 Ford Mustangs when converting to Holley EFI ECU

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FAST - Fuel Air Spark Technology 170637

Tachometer Adapter/RPM Module for FAST EZ Fuel and EZ Fuel + Ignition; Intercepts Negative side of the coil and cleans up the signal for a clean square wave RPM signal to the ECU.

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FAST - Fuel Air Spark Technology 30308

EZ EFI 2.0 Main Harness; This is the main harness that comes with all EZ Fuel + Ignition kits. This can be adapted to either our throttle body injection or multiport harnesses.

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FAST - Fuel Air Spark Technology 301150

XFI 2.0 Main Harness for Ford Mustang Cobra Jet; This custom-fit engine wiring harness is designed to integrate the FAST XFI 2.0 and XIM with the factory vehicle harness and switch panel of the Ford Cobra Jet engine. Compatible with both the 5.4 Modular and 5.0 Coyote.

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Holley EFI 558-131

Holley EFI GEN III HEMI VVT Harness; Use with Terminator X or Terminator X Max Only

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