

Hero image 0 of Holley EFI 558-125 Engine Wiring Harness, 0 of 3
Holley EFI 558-125 Engine Wiring Harness
(No ratings yet)
Check if this fits your vehicle
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.
Generated by AI
Specs
- Vehicle makeFord
- Vehicle modelF150, MUSTANG
- Vehicle year2013, 2014, 2015, 2016, 2017
- Automotive electrical part & accessory typeWires
- Vehicle fitment typeSpecific
- BrandHOLLEY EFI
Current price is USD$409.95
Price when purchased online
- Free shipping
Free 30-day returns
How do you want your item?
Columbus, 43215
Arrives by Tue, Feb 17
|Sold and shipped by SuperShops
4.4071428571428575 stars out of 5, based on 280 seller reviews(4.4)280 seller reviews
Free 30-day returns
Compare with similar items
| Product | Viewing this itemHolley EFI 558-125 Engine Wiring Harness ![]() $409.95 current price $409.95 | Holley EFI 558-220 GDI Sub Harness - Early LTx Engine ![]() $152.95 current price $152.95 | Holley EFI 558-221 GDI Sub Harness - Late LTx Engine ![]() $152.95 current price $152.95 | Holley EFI 556-120 Engine Camshaft Position Sensor ![]() $377.95 current price $377.95 | 03-07 LS Vortec Standalone Wiring Harness Drive By Wire 4L60E 4.8 5.3 6.0 DBW US ![]() $120.32 current price $120.32 | Holley EFI 558-446 Pro Dash Service Harness ![]() $152.95 current price $152.95 |
|---|
| Vehicle make | FordHolley EFI 558-125 Engine Wiring Harness | GMHolley EFI 558-220 GDI Sub Harness - Early LTx Engine | GMHolley EFI 558-221 GDI Sub Harness - Late LTx Engine | ChevroletHolley EFI 556-120 Engine Camshaft Position Sensor | Chevrolet03-07 LS Vortec Standalone Wiring Harness Drive By Wire 4L60E 4.8 5.3 6.0 DBW US | -Holley EFI 558-446 Pro Dash Service Harness | ChryslerMSD 88864 Ignition Harness |
|---|---|---|---|---|---|---|---|
| Vehicle model | F150, MUSTANGHolley EFI 558-125 Engine Wiring Harness | LTxHolley EFI 558-220 GDI Sub Harness - Early LTx Engine | LTxHolley EFI 558-221 GDI Sub Harness - Late LTx Engine | Big 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 Harness | 88864MSD 88864 Ignition Harness |
| Automotive electrical part & accessory type | WiresHolley EFI 558-125 Engine Wiring Harness | WiresHolley EFI 558-220 GDI Sub Harness - Early LTx Engine | WiresHolley EFI 558-221 GDI Sub Harness - Late LTx Engine | -Holley EFI 556-120 Engine Camshaft Position Sensor | Wires03-07 LS Vortec Standalone Wiring Harness Drive By Wire 4L60E 4.8 5.3 6.0 DBW US | WiresHolley EFI 558-446 Pro Dash Service Harness | WiresMSD 88864 Ignition Harness |
| Vehicle fitment type | SpecificHolley EFI 558-125 Engine Wiring Harness | SpecificHolley EFI 558-220 GDI Sub Harness - Early LTx Engine | UniversalHolley EFI 558-221 GDI Sub Harness - Late LTx Engine | SpecificHolley EFI 556-120 Engine Camshaft Position Sensor | Universal03-07 LS Vortec Standalone Wiring Harness Drive By Wire 4L60E 4.8 5.3 6.0 DBW US | SpecificHolley EFI 558-446 Pro Dash Service Harness | SpecificMSD 88864 Ignition Harness |
Now hiding additional rows in the Table
About this item
Product details
Compatible with 2013-2017 Ford Coyote Engines with Stock Camshafts;
Introducing Coyote Twin Independent Variable Cam Timing Control from Holley EFI! Do you have a coyote crate engine going in your dream car? Is your weekend road race warrior powered by a coyote junkyard engine with locked cams? Unlock the full potential of your high revving power plant with the Holley EFI Plug and Play Coyote Ti-VCT Control Module.;
Introducing Coyote Twin Independent Variable Cam Timing Control from Holley EFI! Do you have a coyote crate engine going in your dream car? Is your weekend road race warrior powered by a coyote junkyard engine with locked cams? Unlock the full potential of your high revving power plant with the Holley EFI Plug and Play Coyote Ti-VCT Control Module.;
- Compatible with HP or Dominator EFI
- Ti-VCT Cam control down to 400 RPM
- Commanded Timing matched within 1 degree
- 4 Built in Diagnostic LEDS make diagnostics easy in the event of a cam or crank sensor failure
- Integrated Stock Cam Position Tables â€" eliminate tuning guess work, optimal drive-ability and power right out of the box
- Installation of an external MAP sensor is required, we recommend part number 538-24 for N/A applications
- CANBus communication between Coyote Ti-VCT and Holley EFI ECU for high speed data transfer and diagnostics
- Pre-calibrated Ford sensor drop downs in the Holley EFI Software
- Plug and Play Ti-VCT Sub Harness designed specifically for 2013-2017 Coyote Engines
- Connectors are labeled for easy identification
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it. Â
Specifications
Vehicle make
Ford
Vehicle model
F150, MUSTANG
Vehicle year
2013, 2014, 2015, 2016, 2017
Automotive electrical part & accessory type
Wires
Warranty
Warranty information
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Warnings
Warning Text
California Proposition 65
Similar items you might like
Based on what customers bought
Holley EFI 558-124 Engine Wiring Harness $278.95
$27895current price $278.95Holley EFI 558-124 Engine Wiring Harness
Save withShipping, arrives in 3+ daysHolley EFI 558-304 Ignition Harness $60.75
$6075current price $60.75+$11.95 shippingHolley EFI 558-304 Ignition Harness
Shipping, arrives in 3+ days10101 Chassis Wiring Harness, 12 Circuit $345.14
$34514current price $345.1410101 Chassis Wiring Harness, 12 Circuit
Shipping, arrives in 3+ daysHolley EFI 558-220 GDI Sub Harness - Early LTx Engine $152.95
$15295current price $152.95Holley EFI 558-220 GDI Sub Harness - Early LTx Engine
Save withShipping, arrives in 3+ daysFit 03-07 LS3 Vortec Standalone Wire Harness Drive By Wire 4L60E 4.8 5.3 6.0 DBW $116.00
$11600current price $116.00Fit 03-07 LS3 Vortec Standalone Wire Harness Drive By Wire 4L60E 4.8 5.3 6.0 DBW
Shipping, arrives in 3+ daysHolley EFI 558-221 GDI Sub Harness - Late LTx Engine $152.95
$15295current price $152.95Holley EFI 558-221 GDI Sub Harness - Late LTx Engine
Save withShipping, arrives in 3+ daysHolley EFI 554-188A ANALOG MODULE, 1CH EGT CONTROLLER $186.95
$18695current price $186.95Holley EFI 554-188A ANALOG MODULE, 1CH EGT CONTROLLER
Shipping, arrives in 3+ daysHolley EFI 554-127 Engine Camshaft Position Sensor $268.95
$26895current price $268.95Holley EFI 554-127 Engine Camshaft Position Sensor
Shipping, arrives in 3+ daysHolley EFI 554-188C CAN MODULE, 1CH EGT CONTROLLER $186.95
$18695current price $186.95Holley EFI 554-188C CAN MODULE, 1CH EGT CONTROLLER
Save withShipping, arrives in 3+ daysHolley EFI 556-120 Engine Camshaft Position Sensor $377.95
$37795current price $377.95Holley EFI 556-120 Engine Camshaft Position Sensor
Save withShipping, arrives in 3+ days03-07 LS Vortec Standalone Wiring Harness Drive By Wire 4L60E 4.8 5.3 6.0 DBW US $120.32
$12032current price $120.3203-07 LS Vortec Standalone Wiring Harness Drive By Wire 4L60E 4.8 5.3 6.0 DBW US
Shipping, arrives in 3+ daysHolley EFI 558-446 Pro Dash Service Harness $152.95
$15295current price $152.95Holley EFI 558-446 Pro Dash Service Harness
Save withShipping, arrives in 3+ daysHolley EFI 558-401 Ignition Harness $233.95
$23395current price $233.95Holley EFI 558-401 Ignition Harness
Save withShipping, arrives in 3+ daysMSD 88864 Ignition Harness $409.95
$40995current price $409.95MSD 88864 Ignition Harness
Shipping, arrives in 3+ daysHolley EFI 556-114 Engine Camshaft Position Sensor $357.95
$35795current price $357.95Holley EFI 556-114 Engine Camshaft Position Sensor
Save withShipping, arrives in 3+ days22 Circuit Wiring Harness $216.68 Was $246.20
Now$21668current price Now $216.68, Was $246.20$246.20+$7.98 shipping22 Circuit Wiring Harness
Shipping, arrives in 3+ daysHolley EFI 558-417 Electronic Throttle Harness $274.95
$27495current price $274.95Holley EFI 558-417 Electronic Throttle Harness
Shipping, arrives in 3+ daysNew Standalone Wiring Harness for 99-03 Vortec Engine 4.8L 5.3L 6.0L W/4L80E DBC $112.90
$11290current price $112.90New Standalone Wiring Harness for 99-03 Vortec Engine 4.8L 5.3L 6.0L W/4L80E DBC
Shipping, arrives in 3+ days
Popular items in this category
Best selling items that customers love
Holley EFI 570-229 Electrical Pin Connector $15.56
$1556current price $15.56Holley EFI 570-229 Electrical Pin Connector
Save withShipping, arrives in 3+ daysHolley EFI 554-130 Gauge Sensor Module $152.95
$15295current price $152.95Holley EFI 554-130 Gauge Sensor Module
15 out of 5 Stars. 1 reviewsShipping, arrives in 3+ daysHolley EFI 571-103 Multi Purpose Wire Connector $30.38
$3038current price $30.38Holley EFI 571-103 Multi Purpose Wire Connector
Save withShipping, arrives in 3+ daysHolley EFI 570-216 Air Charge Temperature Sensor Connector $12.53
$1253current price $12.53Holley EFI 570-216 Air Charge Temperature Sensor Connector
Save withShipping, arrives in 3+ daysHolley EFI 840009 Shift Indicator Light $178.95
$17895current price $178.95Holley EFI 840009 Shift Indicator Light
Shipping, arrives in 3+ daysHolley EFI 840007 Shift Indicator Light $178.95
$17895current price $178.95Holley EFI 840007 Shift Indicator Light
Save withShipping, arrives in 3+ daysHolley Performance 199-200 Alternator Harness $29.46
$2946current price $29.46Holley Performance 199-200 Alternator Harness
25 out of 5 Stars. 2 reviewsSave withShipping, arrives in 3+ daysHolley EFI 558-433 Engine Control Module Wiring Harness $357.95
$35795current price $357.95Holley EFI 558-433 Engine Control Module Wiring Harness
Save withShipping, arrives in 3+ daysHolley EFI 550-617 HP EFI ECU & Harness Kits $3,149.95
$3,14995current price $3,149.95Holley EFI 550-617 HP EFI ECU & Harness Kits
Save withShipping, arrives in 3+ daysHolley EFI 554-112 Ignition Control Module $204.95
$20495current price $204.95Holley EFI 554-112 Ignition Control Module
Save withShipping, arrives in 3+ daysHolley EFI 558-434 Engine Control Module Wiring Harness $409.95
$40995current price $409.95Holley EFI 558-434 Engine Control Module Wiring Harness
Save withShipping, arrives in 3+ daysHolley EFI 553-112 Holley EFI Pro Dash $1,299.95
$1,29995current price $1,299.95Holley EFI 553-112 Holley EFI Pro Dash
35 out of 5 Stars. 3 reviewsShipping, arrives in 3+ daysHolley EFI 553-116 Holley EFI 12.3" Standalone Pro Dash $2,299.95
$2,29995current price $2,299.95Holley EFI 553-116 Holley EFI 12.3" Standalone Pro Dash
11 out of 5 Stars. 1 reviewsShipping, arrives in 3+ daysHolley EFI 534-56 Fuel Injection Wiring Harness Adapter $44.82
$4482current price $44.82Holley EFI 534-56 Fuel Injection Wiring Harness Adapter
14 out of 5 Stars. 1 reviewsSave withShipping, arrives in 3+ daysPertronix Ignitor Conversion Kit Oliver 6-Cylinder/Holley 6-Cyl Kit P/N HO-161A $238.80
$23880current price $238.80Pertronix Ignitor Conversion Kit Oliver 6-Cylinder/Holley 6-Cyl Kit P/N HO-161A
Save withShipping, arrives in 3+ daysHolley EFI 553-117 Holley EFI 6.86" Standalone Pro Dash $1,499.95
$1,49995current price $1,499.95Holley EFI 553-117 Holley EFI 6.86" Standalone Pro Dash
Save withShipping, arrives in 3+ daysHolley EFI 558-454 CAN Adapter Harness - 12 Foot Length $92.19
$9219current price $92.19Holley EFI 558-454 CAN Adapter Harness - 12 Foot Length
Save withShipping, arrives in 3+ daysHolley EFI 553-111 Dash Panel $2,099.95 Was $2,306.95
Now$2,09995current price Now $2,099.95, Was $2,306.95$2,306.95Holley EFI 553-111 Dash Panel
Shipping, arrives in 3+ daysHolley EFI 20-148 Carburetor Throttle Cable Bracket $60.75
$6075current price $60.75Holley EFI 20-148 Carburetor Throttle Cable Bracket
14 out of 5 Stars. 1 reviewsSave withShipping, arrives in 3+ daysHolley EFI 20-152 Carburetor Throttle Cable Bracket $24.25
$2425current price $24.25Holley EFI 20-152 Carburetor Throttle Cable Bracket
Save with
Customer ratings & reviews
0 ratings|0 reviews
This item does not have any reviews yet
Related pages
- Fuel Injection Wiring Harness
- Engine Wiring Harnesses
- Ford Mustang Hvac Harness Connector
- Maestro Ads Mrr Module
- Transmission Wire Harness
- Ford Wiring Diagram
- Maestro Rr Module
- Chassis Wiring Harnesses
- Performance Ignition Control Modules
- Glow Plugs and Kits
- Exhaust Brake Engine Control Computer Bypass Kits
- Diesel Glow Plug and Ignition Parts







