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Item #:
89458839
HP EFI ECU And Harness Kit
80% of respondents would recommend this to a friend
Item #:
89458839
BSD 4031
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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Imported from USA store
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Order now and get it around Tuesday, November 24
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What Stands Out
Enhanced Performance
The HP EFI ECU optimizes engine performance, ensuring efficient fuel management and improved throttle response, providing drivers with an exhilarating experience while enhancing overall vehicle power.
Comprehensive Compatibility
This kit is designed to integrate seamlessly with various engine types and setups, making it a versatile choice for custom builds and modifications, ensuring hassle-free installation and operation.
Built-in Tuning Options
Equipped with advanced tuning capabilities, the HP EFI ECU allows users to fine-tune their vehicle’s performance parameters, facilitating tailored adjustments to meet specific driving needs and preferences.
Product Details
| Manufacturer part number | 550-602N |
| Vehicle make | GM |
| Vehicle model | LS1 |
| Automotive electrical part & accessory type | Modules |
| Compatibility | Holley C950 |
| Compatible cars | GM LS1 |
| Vehicle fitment type | Universal |
| Brand | Holley EFI |
| Automotive parts division | Performance |
| Rec. use | Automotive |
| Color | White |
| Items included | ECU/Harness |
| Accessories | ECU/Harness, NTK Oxygen Sensor |
| Pieces | 1 |
| Model | 550-602N |
| Vehicle type | Motor Vehicle |
| Assembled product weight | 9 oz (255.15 grams) |
Who Should Buy?
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Performance Enthusiasts
Ideal for users seeking refined engine performance in high-revving applications with improved throttle response and efficiency.
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Custom Builders
Perfect for those building or modifying custom vehicles that require a reliable and adaptable engine management solution.
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Race Teams
Suitable for race teams needing precise tuning capabilities to optimize their vehicles for competitive motorsport applications.
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Casual Drivers
Not ideal for everyday drivers looking for a simple plug-and-play solution with no advanced tuning needs.
Product Description
HP EFI ECU And Harness Kit
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Customer Questions & Answers
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Question:
How to Shop HP EFI ECU And Harness Kit Online From Ubuy?
Answer: It’s easy to shop HP EFI ECU And Harness Kit online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location. -
Question:
Is HP EFI ECU And Harness Kit Available to Shop Online in The Bahamas?
Answer: Yes, at Ubuy The Bahamas this product is available for you to shop at a reasonable price. The HP EFI ECU And Harness Kit is not available locally but you can trust us with our express shipping services. -
Question:
How Long Does It Take to Get Product After Placing the Order?
Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.
Holley EFI Automotive Electrical Editorial Review
The HP EFI ECU and Harness Kit is designed specifically for GM LS1 vehicles, featuring the model number 550-602N. This universal fit product from Holley EFI includes an ECU and harness, ensuring compatibility with Holley C950 systems. Many users have praised its performance, citing improved vehicle responsiveness and ease of installation. Additionally, it comes with an NTK Oxygen Sensor, which enhances engine efficiency. As a preferred choice for automotive enthusiasts, it allows for significant upgrades in automotive electrical systems, making it ideal for performance modifications.
Customer Reviews & Ratings
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Pros
- Compatible with Holley C950 systems
- Easy to install for enthusiasts
- Includes NTK Oxygen Sensor
- Universal fit for GM LS1
- Lightweight at 9 oz
Cons
- Color may not suit all vehicle interiors
Platform Trust & Buyer Confidence
FK
Fatuma
Verified buyer
“My experience was great I really liked the fact that i get my order delivered within the days promised. The packaging , the product, shipment everything was so good, trustworthy and fast. Definitely will shop again”
28 October 2026 · via Trustpilot
JC
Jane
Verified buyer
“Very easy to order. The product was good quality. The delivery service was excellent, updates given so you knew what was happening.”
30 October 2026 · via Trustpilot
R
Roman
Verified buyer
“Good experience The product I ordered came as expected. What most impressed me in dealing with Ubuy is the communication and updates I received through the process. I knew exactly where and when my item was at all times until delivery. Well done!”
31 October 2026 · via Trustpilot
SH
SJ Hong
Verified buyer
“The package came very quickly and the shipping fee was extremely reasonable! Overall, the service as well as my experience of ordering from Ubuy was a very pleasant experience! Thank you so much!”
31 October 2026 · via Trustpilot
SH
Szilvia
Verified buyer
“Great service. Ordered an item coming from the USA which wasn't available in Ireland or even for delivery from the retailer and it had arrived within a few days. Very happy with the product and the service.”
31 October 2026 · via Trustpilot
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BSD 4031
Order now and get it around Tuesday, November 24
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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