

Hero image 0 of Holley EFI 558-456 Pro-Dash Input/Output Harness, 0 of 5
Holley EFI 558-456 Pro-Dash Input/Output Harness
(No ratings yet)
Check if this fits your vehicle
Key item features
- Wiring Components: Includes 17 loose wires, 20 feet of 2-conductor cable, and 40 feet of 3-conductor cable for comprehensive wiring needs.
- Wire Specifications: All wires are 20-gauge TXL, ensuring robust and reliable electrical connections.
- Connector Compatibility: Designed to fully populate inputs and outputs for Holley EFI Pro Dashes (PNs 553-111 and 553-112).
- Pre-Crimped Terminals: Features TE Superseal pins crimped on every wire and cable for easy installation.
- Included Connectors: Comes with 20 Superseal pins and 20 Superseal plugs for complete termination.
- Installation Flexibility: Installer can match wire colors and functions according to instructions for consistent setups.
- Cable Construction: The 2-conductor and 3-conductor cables are jacketed but not shielded.
Generated by AI
Specs
- Vehicle model558-456
- Automotive electrical part & accessory typeWires
- Vehicle fitment typeSpecific
- BrandHOLLEY EFI
- Automotive parts divisionPerformance
- Rec. useAutomotive
Current price is USD$282.95
Price when purchased online
- Free shipping
Free 30-day returns
How do you want your item?
Columbus, 43215
Arrives by Fri, Feb 6
|Sold and shipped by SuperShops
4.405017921146953 stars out of 5, based on 279 seller reviews(4.4)279 seller reviews
Free 30-day returns
Other sellers
$291.99
Shipping, arrives by Fri, Feb 6 to Columbus, 43215
Sold and shipped by Walmart.com
Free 90-day returns
$345.16
Shipping, arrives by Fri, Feb 6 to Columbus, 43215
Sold and shipped by IPC Store
Free 30-day returns
Similar items you might like
Based on what customers bought
Holley 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+ 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 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 558-418 Gen III HEMI Drive-By-Wire Harness - Late Pedal $255.95
$25595current price $255.95Holley EFI 558-418 Gen III HEMI Drive-By-Wire Harness - Late Pedal
Save withShipping, arrives in 3+ daysHolley 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 $66.88
$6688current price $66.88Holley EFI 558-304 Ignition Harness
Save withShipping, 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+ daysHolley EFI 558-470 Automatic Transmission Wiring Harness $275.95
$27595current price $275.95Holley EFI 558-470 Automatic Transmission Wiring Harness
Save withShipping, arrives in 3+ daysNTK MA0045 Manifold Absolute Pressure Sensor $249.09
$24909current price $249.09NTK MA0045 Manifold Absolute Pressure Sensor
Shipping, arrives in 3+ daysNTK Fuel Injection Pressure Sensor compatible with Ford Mustang 3.7L 4.0L 4.6L 5.0L 5.4L 5.8L V6 V8 2005-2014 $276.22
$27622current price $276.22NTK Fuel Injection Pressure Sensor compatible with Ford Mustang 3.7L 4.0L 4.6L 5.0L 5.4L 5.8L V6 V8 2005-2014
Shipping, arrives in 3+ daysHolley EFI 558-402 Ignition Harness $179.95
$17995current price $179.95Holley EFI 558-402 Ignition Harness
Save withShipping, arrives in 3+ daysHolley EFI 570-348 J4 CONNECTOR KIT $54.05
$5405current price $54.05+$11.95 shippingHolley EFI 570-348 J4 CONNECTOR KIT
Shipping, arrives in 3+ daysHolley EFI 554-127 Engine Camshaft Position Sensor $262.95
$26295current price $262.95Holley EFI 554-127 Engine Camshaft Position Sensor
Save withShipping, arrives in 3+ daysHolley EFI 570-102 EFI Main Harness Connector Kit $149.95
$14995current price $149.95Holley EFI 570-102 EFI Main Harness Connector Kit
Save withShipping, arrives in 3+ daysThrottle Position Sensor - Compatible with 2003 - 2006 GMC Yukon 2004 2005 $199.95
$19995current price $199.95Throttle Position Sensor - Compatible with 2003 - 2006 GMC Yukon 2004 2005
Shipping, 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 reviewsSave withShipping, arrives in 3+ daysHolley 12-802-1 Blue Electric Fuel Pump/Press Gauge, 5945 Fitting $279.99 $279.99/count
$27999current price $279.99$279.99/countHolley 12-802-1 Blue Electric Fuel Pump/Press Gauge, 5945 Fitting
Shipping, arrives in 3+ daysThrottle Position Sensor - Compatible with 2003 - 2004 Chevy Silverado 2500 6.0L V8 $111.95
$11195current price $111.95Throttle Position Sensor - Compatible with 2003 - 2004 Chevy Silverado 2500 6.0L V8
285 out of 5 Stars. 28 reviewsShipping, arrives in 3+ daysFuel Injector Connector - Compatible with 2008 - 2012, 2015 - 2019 GMC Canyon 2009 2010 2011 2016 2017 2018 $20.95
$2095current price $20.95Fuel Injector Connector - Compatible with 2008 - 2012, 2015 - 2019 GMC Canyon 2009 2010 2011 2016 2017 2018
224.9 out of 5 Stars. 22 reviewsShipping, arrives in 3+ daysHolley EFI 570-230 Ignition Knock (Detonation) Sensor Connector $14.79
$1479current price $14.79Holley EFI 570-230 Ignition Knock (Detonation) Sensor Connector
15 out of 5 Stars. 1 reviewsSave withShipping, arrives in 3+ days
About this item
Product details
Unterminated Input/Output Wiring Harness;
The 558-456 wiring kit is intended to fully populate all of the inputs and outputs for PNs 553-111 and 553-112 Pro Dashes. These can easily be inserted into the existing 34 pin dash connector. It contains loose wires and 2 and 3 conductor cable (jacketed but not shielded). The wire is 20
gauge TXL. There are TE Superseal pins crimped on every wire and cable. There are also extra pins that can be used
(likely needed when using the jacketed cable for more than one sensor). The kit contents include the following. The
installer can choose to match the color and functions given in the instructions for consistent installations.
17 loose wires (10 feet each) with crimped tyco pins, in various colors.
2 Conductor Cable (Black/Blue) 20 Feet
3 Conductor Cable (Orange/Green/Black)40 Feet
Superseal Pins 20
Superseal Plugs 20;
The 558-456 wiring kit is intended to fully populate all of the inputs and outputs for PNs 553-111 and 553-112 Pro Dashes. These can easily be inserted into the existing 34 pin dash connector. It contains loose wires and 2 and 3 conductor cable (jacketed but not shielded). The wire is 20
gauge TXL. There are TE Superseal pins crimped on every wire and cable. There are also extra pins that can be used
(likely needed when using the jacketed cable for more than one sensor). The kit contents include the following. The
installer can choose to match the color and functions given in the instructions for consistent installations.
17 loose wires (10 feet each) with crimped tyco pins, in various colors.
2 Conductor Cable (Black/Blue) 20 Feet
3 Conductor Cable (Orange/Green/Black)40 Feet
Superseal Pins 20
Superseal Plugs 20;
17 Loose Wires; 2 Conductor Cable 20 ft.; 3 Conductor Cable 40 ft.; Superseal Pins 20; Superseal Plugs 20
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 model
558-456
Automotive electrical part & accessory type
Wires
Compatibility
553-111 and 553-112 Pro Dashes
Vehicle fitment type
Specific
Warranty
Warranty information
Subject to Manufacture Warranty
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.
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.
Warranty url
Warnings
Warning Text
California Proposition 65
Compare with similar items
| Product | Viewing this itemHolley EFI 558-456 Pro-Dash Input/Output Harness ![]() $282.95 current price $282.95 | 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 558-446 Pro Dash Service Harness ![]() $152.95 current price $152.95 | Holley EFI 558-418 Gen III HEMI Drive-By-Wire Harness - Late Pedal ![]() $255.95 current price $255.95 | Holley EFI 558-417 Electronic Throttle Harness ![]() $274.95 current price $274.95 | Holley EFI 558-470 Automatic Transmission Wiring Harness ![]() $275.95 current price $275.95 | Holley EFI 570-102 EFI Main Harness Connector Kit ![]() $149.95 current price $149.95 |
|---|
| Vehicle model | 558-456Holley EFI 558-456 Pro-Dash Input/Output Harness | LTxHolley EFI 558-220 GDI Sub Harness - Early LTx Engine | LTxHolley EFI 558-221 GDI Sub Harness - Late LTx Engine | -Holley EFI 558-446 Pro Dash Service Harness | -Holley EFI 558-418 Gen III HEMI Drive-By-Wire Harness - Late Pedal | 558-417Holley EFI 558-417 Electronic Throttle Harness | 4R70WHolley EFI 558-470 Automatic Transmission Wiring Harness | 558-402Holley EFI 558-402 Ignition Harness | 570-348Holley EFI 570-348 J4 CONNECTOR KIT | 570-102Holley EFI 570-102 EFI Main Harness Connector Kit |
|---|---|---|---|---|---|---|---|---|---|---|
| Automotive electrical part & accessory type | WiresHolley EFI 558-456 Pro-Dash Input/Output Harness | WiresHolley EFI 558-220 GDI Sub Harness - Early LTx Engine | WiresHolley EFI 558-221 GDI Sub Harness - Late LTx Engine | WiresHolley EFI 558-446 Pro Dash Service Harness | WiresHolley EFI 558-418 Gen III HEMI Drive-By-Wire Harness - Late Pedal | WiresHolley EFI 558-417 Electronic Throttle Harness | WiresHolley EFI 558-470 Automatic Transmission Wiring Harness | ConnectorsHolley EFI 558-402 Ignition Harness | ConnectorsHolley EFI 570-348 J4 CONNECTOR KIT | ConnectorsHolley EFI 570-102 EFI Main Harness Connector Kit |
| Vehicle fitment type | SpecificHolley EFI 558-456 Pro-Dash Input/Output Harness | SpecificHolley EFI 558-220 GDI Sub Harness - Early LTx Engine | UniversalHolley EFI 558-221 GDI Sub Harness - Late LTx Engine | SpecificHolley EFI 558-446 Pro Dash Service Harness | SpecificHolley EFI 558-418 Gen III HEMI Drive-By-Wire Harness - Late Pedal | SpecificHolley EFI 558-417 Electronic Throttle Harness | SpecificHolley EFI 558-470 Automatic Transmission Wiring Harness | SpecificHolley EFI 558-402 Ignition Harness | SpecificHolley EFI 570-348 J4 CONNECTOR KIT | SpecificHolley EFI 570-102 EFI Main Harness Connector Kit |
| Automotive parts division | PerformanceHolley EFI 558-456 Pro-Dash Input/Output Harness | -Holley EFI 558-220 GDI Sub Harness - Early LTx Engine | -Holley EFI 558-221 GDI Sub Harness - Late LTx Engine | -Holley EFI 558-446 Pro Dash Service Harness | PerformanceHolley EFI 558-418 Gen III HEMI Drive-By-Wire Harness - Late Pedal | PerformanceHolley EFI 558-417 Electronic Throttle Harness | -Holley EFI 558-470 Automatic Transmission Wiring Harness | PerformanceHolley EFI 558-402 Ignition Harness | PerformanceHolley EFI 570-348 J4 CONNECTOR KIT | PerformanceHolley EFI 570-102 EFI Main Harness Connector Kit |
Now hiding additional rows in the Table
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 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 840009 Shift Indicator Light $178.95
$17895current price $178.95Holley EFI 840009 Shift Indicator Light
Save withShipping, arrives in 3+ daysHolley EFI 840007 Shift Indicator Light $178.95
$17895current price $178.95Holley EFI 840007 Shift Indicator Light
Shipping, 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 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 553-117 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
Shipping, arrives in 2 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 reviewsSave withShipping, arrives tomorrowHolley 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 553-111 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 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
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 withShipping, arrives in 3+ daysHolley EFI 20-147 Carburetor Throttle Cable Bracket $64.79
$6479current price $64.79Holley EFI 20-147 Carburetor Throttle Cable Bracket
Shipping, arrives in 3+ daysHolley EFI 20-149 Carburetor Throttle Cable Bracket $37.99
$3799current price $37.99Holley EFI 20-149 Carburetor Throttle Cable Bracket
13 out of 5 Stars. 1 reviewsShipping, arrives in 3+ daysHolley EFI 20-154 105mm Throttle Cable Bracket for 300-621 $41.20
$4120current price $41.20Holley EFI 20-154 105mm Throttle Cable Bracket for 300-621
Save withShipping, arrives in 3+ daysHolley EFI 554-184A Holley EFI 1 Channel EGT Kit $312.95
$31295current price $312.95Holley EFI 554-184A Holley EFI 1 Channel EGT Kit
Save withShipping, arrives in 3+ daysHolley EFI 554-186 Holley EFI 8 Channel CAN EGT Kit $1,749.95
$1,74995current price $1,749.95Holley EFI 554-186 Holley EFI 8 Channel CAN EGT Kit
Save withShipping, arrives tomorrow
Customer ratings & reviews
0 ratings|0 reviews
This item does not have any reviews yet
Related pages
- Volkswagen Tuner
- Maestro Rr Module
- Maestro Ads Mrr Module
- 6.0 Powerstroke Glow Plug Module
- Ford Tachometer Cable
- Ford Mustang Hvac Harness Connector
- Engine Wiring Harnesses
- Chassis Wiring Harnesses
- Glow Plugs and Kits
- Performance Ignition Control Modules
- Exhaust Brake Engine Control Computer Bypass Kits
- Nitrous Switches, Wiring, and Electrical Components










