Holley EFI 558-491 Computer Chip Programmer Input Cable
Holley EFI 558-491 Computer Chip Programmer Input Cable
Hero image 0 of Holley EFI 558-491 Computer Chip Programmer Input Cable, 0 of 4
Holley Sniper EFI

Holley EFI 558-491 Computer Chip Programmer Input Cable

5 stars out of 2 reviews
(5.0)|
2 ratings
Car
Check if this fits your vehicle

Key item features

  • Labeled Wires: The input cable features individually labeled wires, simplifying identification during installation and setup for various connections.
  • Versatile Inputs: This harness provides two 3-log input wires and two ground reluctor inputs, suitable for functions like AC kick and NOS stage activation within Sniper EFI systems.
  • Multiple Outputs: Included are one 3-long output wire, two 5-long output wires, and three ground reluctor outputs, enabling control for electronic fan operation or A/C shutdown at wide-open throttle.
  • Specialized Outputs: The cable incorporates a 5-tachometer output and a 3-points output wire for specific system functionalities.
  • Digital Gauge Connectivity: A 5-long digital gauge output is provided, specifically designed for connecting to Holley EFI analog gauges.
Generated by AI
Current price is $66.09
Price when purchased online
  • Free shipping
  • Free 90-day returns

How do you want your item?

Try 30 days of Free Shipping with Walmart+! Choose plan at checkout.
How do you want your item?
Columbus, 43215
Arrives by Fri, Feb 6
Sold and shipped by Walmart.com
Free 90-day returns
This item is gift eligible

More seller options (3)

Starting from $66.09
walmart plus

Get free delivery, shipping and more*

*Restrictions apply
Try Walmart+ now

About this item

Product details

Specifications

Warranty

Warnings

Compare with similar items

Comparison Overview:
Product

Viewing this item

Holley EFI 558-491 Computer Chip Programmer Input Cable
Holley EFI 558-491 Computer Chip Programmer Input Cable
current price $66.09
Holley EFI 558-491 Computer Chip Programmer Input Cable
5 out of 5 Stars. 2 reviews
Standard Ignition Bulk Primary Wire
Standard Ignition Bulk Primary Wire
current price $30.81
Standard Ignition Bulk Primary Wire
Motorcraft WPT-1341 Headlight Control Module Connector Fits select: 2015-2020 FORD F150, 2017-2019 FORD ESCAPE
Motorcraft WPT-1341 Headlight Control Module Connector Fits select: 2015-2020 FORD F150, 2017-2019 FORD ESCAPE
current price $45.78
Motorcraft WPT-1341 Headlight Control Module Connector Fits select: 2015-2020 FORD F150, 2017-2019 FORD ESCAPE
Standard Ignition Bulk Primary Wire
Standard Ignition Bulk Primary Wire
current price $14.26
Standard Ignition Bulk Primary Wire
Harness Cable Connector Replace 558 443 for Holley EFI for Sniper EFI for Terminator X Can to USB 8ft Communication Cable
Harness Cable Connector Replace 558 443 for Holley EFI for Sniper EFI for Terminator X Can to USB 8ft Communication Cable
current price $34.99
Harness Cable Connector Replace 558 443 for Holley EFI for Sniper EFI for Terminator X Can to USB 8ft Communication Cable
Comparison Chart:
Vehicle model558-491Holley EFI 558-491 Computer Chip Programmer Input CableC10EBStandard Ignition Bulk Primary WireWPT1341Motorcraft WPT-1341 Headlight Control Module Connector Fits select: 2015-2020 FORD F150, 2017-2019 FORD ESCAPEC18EBStandard Ignition Bulk Primary WireFor Holley EFIHarness Cable Connector Replace 558 443 for Holley EFI for Sniper EFI for Terminator X Can to USB 8ft Communication Cable
Automotive electrical part & accessory typeWiresHolley EFI 558-491 Computer Chip Programmer Input CableWiresStandard Ignition Bulk Primary WireConnectorsMotorcraft WPT-1341 Headlight Control Module Connector Fits select: 2015-2020 FORD F150, 2017-2019 FORD ESCAPEWiresStandard Ignition Bulk Primary WireConnectorsHarness Cable Connector Replace 558 443 for Holley EFI for Sniper EFI for Terminator X Can to USB 8ft Communication Cable
Vehicle fitment typeSpecificHolley EFI 558-491 Computer Chip Programmer Input CableSpecificStandard Ignition Bulk Primary WireSpecificMotorcraft WPT-1341 Headlight Control Module Connector Fits select: 2015-2020 FORD F150, 2017-2019 FORD ESCAPESpecificStandard Ignition Bulk Primary WireUniversalHarness Cable Connector Replace 558 443 for Holley EFI for Sniper EFI for Terminator X Can to USB 8ft Communication Cable
Rec. useAutomotiveHolley EFI 558-491 Computer Chip Programmer Input CableAutomotiveStandard Ignition Bulk Primary WireAutomotiveMotorcraft WPT-1341 Headlight Control Module Connector Fits select: 2015-2020 FORD F150, 2017-2019 FORD ESCAPEAutomotiveStandard Ignition Bulk Primary WireAutomotiveHarness Cable Connector Replace 558 443 for Holley EFI for Sniper EFI for Terminator X Can to USB 8ft Communication Cable
Now hiding additional rows in the Table

Frequently bought together

Holley EFI 558-491 Computer Chip Programmer Input Cable $66.09

Holley EFI 558-491 Computer Chip Programmer Input Cable
current price $66.09

Holley EFI 558-491 Computer Chip Programmer Input Cable

5 out of 5 Stars. 2 reviews

Best seller Hyper Tough Polypropylene 140-Piece Cable Clips and Clamp Set TD34020R, New,1.1 in X 5.7 in X 4.4 in $2.97 Was $3.48

Best seller
Hyper Tough Polypropylene 140-Piece Cable Clips and Clamp Set TD34020R, New,1.1 in X 5.7 in X 4.4 in
current price Now $2.97, Was $3.48

Hyper Tough Polypropylene 140-Piece Cable Clips and Clamp Set TD34020R, New,1.1 in X 5.7 in X 4.4 in

4.6 out of 5 Stars. 80 reviews

Best seller j5create USB-C® Multi-Port Hub, White, JCD373 $39.99 Was $45.98

Best seller
j5create USB-C® Multi-Port Hub, White, JCD373
current price Now $39.99, Was $45.98

j5create USB-C® Multi-Port Hub, White, JCD373

4.2 out of 5 Stars. 205 reviews

Power Strips Tower 12 Outlets Surge Protector with 4 USB Port and 10ft Extension Cord, Black $23.49 Was $31.99

Power Strips Tower 12 Outlets Surge Protector with 4 USB Port and 10ft Extension Cord, Black
current price Now $23.49, Was $31.99

Power Strips Tower 12 Outlets Surge Protector with 4 USB Port and 10ft Extension Cord, Black

4.6 out of 5 Stars. 255 reviews
Current price is
$132.54
was $147.54
Items may be delivered on different dates

Customer ratings & reviews

5 out of 5 stars
stars2 ratings2 reviews
How item rating is calculated
  1. 5 stars100% (2)
  2. 4 stars0% (0)
  3. 3 stars0% (0)
  4. 2 stars0% (0)
  5. 1 star0% (0)
Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
Sort by |

Showing 1-2 of 2 reviews

Sep 9, 2025
TonyBaloney
5 out of 5 stars review

Works great

Arrived fast, worked great. Used it to wire up fans and AC to the Sniper. Silly the sniper doesn't come with the harness, but works as expected.

Review from jegs.com
Helpful?4577GZ1OV0LO775507999
Jun 14, 2021
Tommy 1
5 out of 5 stars review

awesome

I would have thought with all the $$$$$$ spent on EFI and set up would have come with the unit.

Review from jegs.com
Helpful?4577GZ1OV0LO775507999