Holley EFI 558-125 Engine Wiring Harness
Holley EFI 558-125 Engine Wiring Harness
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Holley EFI 558-125 Engine Wiring Harness

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Key item features

  • EFI Compatibility: Compatible with both HP and Dominator EFI systems for versatile engine management.
  • Precise Control: Achieves Ti-VCT Cam control down to 400 RPM with commanded timing matched within 1 degree.
  • Diagnostic Features: Includes 4 built-in diagnostic LEDs for easy troubleshooting of cam or crank sensor failures.
  • Optimized Performance: Features integrated stock cam position tables for optimal drive-ability and power without extensive tuning.
  • Coyote Integration: Designed as a plug-and-play Ti-VCT sub-harness specifically for 2013-2017 Ford Coyote Engines with stock camshafts.
  • Sensor Requirements: Requires the installation of an external MAP sensor, with part number 538-24 recommended for N/A applications.
  • Enhanced Communication: Utilizes CANBus communication between the Coyote Ti-VCT and Holley EFI ECU for high-speed data transfer and diagnostics.
  • Simplified Setup: Provides pre-calibrated Ford sensor drop-downs within the Holley EFI Software and labeled connectors for easy identification.
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Current price is $409.95
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Columbus, 43215
Arrives by Tue, Feb 17
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Sold and shipped by SuperShops
4.4071428571428575 stars out of 5, based on 280 seller reviews(4.4)
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Comparison Chart:
Vehicle makeFordHolley EFI 558-125 Engine Wiring HarnessGMHolley EFI 558-220 GDI Sub Harness - Early LTx EngineGMHolley EFI 558-221 GDI Sub Harness - Late LTx EngineChevroletHolley EFI 556-120 Engine Camshaft Position SensorChevrolet03-07 LS Vortec Standalone Wiring Harness Drive By Wire 4L60E 4.8 5.3 6.0 DBW US-Holley EFI 558-446 Pro Dash Service HarnessChryslerMSD 88864 Ignition Harness
Vehicle modelF150, MUSTANGHolley EFI 558-125 Engine Wiring HarnessLTxHolley EFI 558-220 GDI Sub Harness - Early LTx EngineLTxHolley EFI 558-221 GDI Sub Harness - Late LTx EngineBig BlockHolley EFI 556-120 Engine Camshaft Position Sensor-03-07 LS Vortec Standalone Wiring Harness Drive By Wire 4L60E 4.8 5.3 6.0 DBW US-Holley EFI 558-446 Pro Dash Service Harness88864MSD 88864 Ignition Harness
Automotive electrical part & accessory typeWiresHolley EFI 558-125 Engine Wiring HarnessWiresHolley EFI 558-220 GDI Sub Harness - Early LTx EngineWiresHolley EFI 558-221 GDI Sub Harness - Late LTx Engine-Holley EFI 556-120 Engine Camshaft Position SensorWires03-07 LS Vortec Standalone Wiring Harness Drive By Wire 4L60E 4.8 5.3 6.0 DBW USWiresHolley EFI 558-446 Pro Dash Service HarnessWiresMSD 88864 Ignition Harness
Vehicle fitment typeSpecificHolley EFI 558-125 Engine Wiring HarnessSpecificHolley EFI 558-220 GDI Sub Harness - Early LTx EngineUniversalHolley EFI 558-221 GDI Sub Harness - Late LTx EngineSpecificHolley EFI 556-120 Engine Camshaft Position SensorUniversal03-07 LS Vortec Standalone Wiring Harness Drive By Wire 4L60E 4.8 5.3 6.0 DBW USSpecificHolley EFI 558-446 Pro Dash Service HarnessSpecificMSD 88864 Ignition Harness
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