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- USA
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Ships within 48 hours · Estimated delivery Jul 13 - Jul 18
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Description
Holley EFI Benchtop Harness 558-127Firmware Updating Dash Configuration ECU Testing Features: Terminated connectors for several EFI inputs1 Included power switch allows for a quick ? install? on your test bench2 Great for ECU diagnostics that do not require a running engine, firmware updates, or 7? dash calibrations3 Specs: Brand Holley EFI Emission Code 6 Product Type Harness Warning California Proposition 65 Application: Year Make Model Submodel
Firmware Updating - Dash Configuration - ECU Testing
Features:
- Terminated connectors for several EFI inputs1
- Included power switch allows for a quick ?install? on your test bench2
- Great for ECU diagnostics that do not require a running engine, firmware updates, or 7? dash calibrations3
Specs:
| Brand | Holley EFI |
|---|---|
| Emission Code | 6 |
| Product Type | Harness |
| Warning | California Proposition 65 |
Application:
| Year | Make | Model | Submodel |
|---|---|---|---|
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
4.8 ★★★★★
Based on 1135 reviews
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Product Reviews
★★★★★ 5
Easy to use & provide great light!
I bought two lights for our patio. I love them. They have low and high light settings, which is wonderful. They're easily attached to the umbrella! I was pleased with the quality.
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Reviewed in the United States on June 18, 2025
★★★★★ 5
The best light!
I use these lights for every backyard party. ! So easy to attach to the umbrella and easy to remove! The brightness is in 3 levels. Works great!!
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Reviewed in the United States on June 5, 2024
★★★★★ 4
Good for patio umbrellas
Good value and work well on our patio. Like that the lights can change brightness.
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Reviewed in the United States on July 14, 2025
★★★★★ 5
LET THERE BE LIGHT
Wrks great! Super lighting
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Reviewed in the United States on July 9, 2025
★★★★★ 5
Dont miss out on these they are great and a great price
Love them the price being so low you think your not going to get quality but they are very high quality very bright and easy to install we love them I got them for my puppy for outside a night and they work great .we take them with us everywhere .camping to the beach and a lot of places
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 18, 2019
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