SKU: 75844542405

GM 58X EFI HARNESS KIT

$373.03 $414.48
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  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jun 22 - Jun 27

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For Your Every Summer RSVP, with Code: SUMMER15

Description

GM 58X EFI HARNESS KITGM 58X EFI HARNESS KIT GM LS1 6, 24X Crank Sensor, Bosch Injector Overview An EFI system depends heavily on being supplied a clean and constant voltage source. The grounds of an electrical system are just as important as the power side. Our Holley EFI Harness Kit for your GM LS engine comes complete with the main harness, power harness and injector harness to support your primary system! NOTICE: You will need to purchase an ECU and O2 Sensor to make

GM 58X EFI HARNESS KIT
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 75844542405

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4.7 ★★★★★
Based on 2241 reviews
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Product Reviews
R
Verified Purchase
Rs
Los Angeles, US
★★★★★ 5
Good quality
Color: Rgb, Size: 23.6in, Color: Rgb, Size: 23.6in
Easy to install with great results
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026
J
Verified Purchase
Javier Reyes
Natrona Heights, US
★★★★★ 5
Decoration perfect
Color: Rgb, Size: 23.6in
Expectacular decoration de Alta calidad
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2026
A
Verified Purchase
Amazon Customer
Draper, US
★★★★★ 3
Kinda disappointed
Color: Rgb, Size: 23.6in
The way they connect is really finicky. I wish it came with more tape to have longer spans of shelves.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
D
Verified Purchase
Devin
Bozeman, US
★★★★★ 5
As described!!!
Color: Rgb, Size: 15.5in
This was an amazing purchase. Even though the software could use a polish it did exactly as it should! Late review but super happy none the less
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 12, 2026
S
Verified Purchase
Sanguine sol
Port Orchard, US
★★★★★ 5
Nice lighting and bright
Color: Rgb, Size: 15.5in
It holds my ps5 and I’ll buy another soon.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 3, 2025

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