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Ships within 48 hours · Estimated delivery Aug 30 - Sep 4
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Description
GM LS 58X EFI Harness KitGM LS 58X EFI HARNESS KIT GM LS2 LS3 LS7, 58X Crank Sensor, USCAR EV6 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 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 this a
GM LS 58X EFI HARNESS KITGM LS2/LS3/LS7, 58X Crank Sensor, USCAR/ EV6 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 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 this a complete kit.
Features:
- Harness Kit Includes; Main Power Harness, LS2 Main Harness V-8 Injector harness
- Simple Installation
- Works with HP or Dominator ECU's
Details:
- Harness Application: LSX
Links
EFI selection chart
Instruction Sheet
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.5 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 5
No issues
Color: 3 Set
Looks durable. Sold Jeep before had a chance to use them. No issues tho
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 20, 2026
★★★★★ 5
Buena compra!
Color: 3 Set
Excelente
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
★★★★★ 4
Oil filter
Color: 3 Set
So far it seems to be working fine. I had no problems installing it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 29, 2025
★★★★★ 5
Filtro de aceite pentastar
Color: 3 Set
Perfecto para enfriadores de aceite pentastar V6 2018
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2026
★★★★★ 5
Good price and appears exactly like OEM
Color: 3 Set
Good price for set of 3 also includes o-rings for cap. After finding engine litter on a rocker lifter change wanted to run several filters in quick succession changing the filter every 100 miles and topping off the oil. seems to be working well and catching any glitter.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 6, 2026
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