SKU: 75844542405

GM 58X EFI HARNESS KIT

$373.03 $414.48
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  • USA
  • CAN

Ships within 48 hours · Estimated delivery Sep 5 - Sep 10

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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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4.8 ★★★★★
Based on 726 reviews
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Product Reviews
C
Verified Purchase
Cheryl Tate
Waukegan, US
★★★★★ 5
No clumping
No clumping
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 8, 2026
G
Verified Purchase
Geo Metro
Waukegan, US
★★★★★ 5
Easy to swallow!
Nice and small, very easy to swallow. So happy they are softgels, will definitely purchase again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 27, 2026
K
Verified Purchase
Kindle Customer
Bozeman, US
★★★★★ 4
Thumbs up
4.5 stars. Did the job. Was taken daily along with an iron supplement. Could feel the change in my body.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 30, 2026
J
Verified Purchase
J. Deitrick
Lexington, US
★★★★★ 5
Good Product
Size: 120 Count (Pack of 1)
I take 1 every day
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Reviewed in the United States on April 30, 2026
A
Verified Purchase
Annette Morris
Los Angeles, US
★★★★★ 5
Milk thistle and your liver
Size: 120 Count (Pack of 1)
I have been taking them for over a year. I feel they help my liver.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 4, 2026

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