- Home Page /
- Auto & Tires /
- Performance Parts /
- Performance Fuel, Carburetors and Intakes /
- Performance Fuel Injection /
- Holley EFI 550-928 Fuel Injection System
0 ratings
Item #:
78266564
Holley EFI 550-928 Fuel Injection System
93% of respondents would recommend this to a friend
Item #:
78266564
UGX 13561293
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Order now and get it around Saturday, November 21
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110 V-120 V). Recommended power converters Buy Now.
What Stands Out
Precision Tuning
Offers advanced fuel management with precise tuning capabilities, ensuring optimal performance and efficiency tailored to specific engine requirements, setting it apart from standard systems.
User-Friendly Interface
Equipped with an intuitive touchscreen display, making setup and adjustments accessible for both beginners and experienced tuners, simplifying the complex process of EFI management.
Compatibility
Designed to seamlessly integrate with a variety of aftermarket and stock components, enhancing versatility and making it an ideal choice for custom builds and upgrades.
Product Details
| Compatible cars | GM LS 4.8/5.3/6.0 LS Truck Engines and LS2/LS3 |
| Vehicle make | GM |
| Vehicle model | LS 4.8, 5.3, 6.0 LS Truck Engines and LS2, LS3 |
| Fuel injection accessory & part type | Fuel Injection System |
| Brand | Holley EFI |
| Automotive parts division | Performance |
| Vehicle fitment type | Specific |
| Items included | 58x, 4x LS Engine Main Harness - EV6 Injector Harness - DBW Throttle Body Harness - 4L60E, 4L80E Transmission Control Harness - Terminator X MAX ECU - ECU Main Power Harness - Bosch LSU 4.9 Wideband Oxygen Sensor - Input, Output Harness - and assor |
| Accessories | 58x/4x LS Engine Main Harness - EV6 Injector Harness - DBW Throttle Body Harness - 4L60E/4L80E Transmission Control Harness - Terminator X MAX ECU - ECU Main Power Harness - Bosch LSU 4.9 Wideband Oxygen Sensor - Input/Output Harness |
| Features | Easy To Use |
| Model | HOL550-928 |
| Weight | 10.45 lb (4.74 kg) |
| Vehicle type | Truck |
| Volts | 12 V |
| Multipack quantity | 1 |
Dangerous Goods
To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.
Who Should Buy?
-
Performance Enthusiasts
Ideal for car owners seeking enhanced performance and tuning capabilities in high-horsepower applications.
-
Custom Builders
Perfect for those building custom vehicles or retrofitting EFI systems in classic cars for increased efficiency.
-
Race Applications
Designed for racers looking for precise fuel management to optimize their engine's performance on the track.
-
Budget Buyers
Not suitable for those seeking low-cost fuel solutions due to its premium price point and advanced features.
Product Description
Holley EFI 550-928 Fuel Injection System
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
How to Shop Holley EFI 550-928 Fuel Injection System Online From Ubuy?
Answer: It’s easy to shop Holley EFI 550-928 Fuel Injection System 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 Holley EFI 550-928 Fuel Injection System Available to Shop Online in Uganda?
Answer: Yes, at Ubuy Uganda this product is available for you to shop at a reasonable price. The Holley EFI 550-928 Fuel Injection System 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 Performance Fuel Injection Editorial Review
Holley EFI 550-928 Fuel Injection System is specifically designed for GM LS 4.8/5.3/6.0 LS Truck Engines and LS2/LS3, offering fuel injection performance that's easy to use. It comes equipped with essential components like the 58x and 4x LS Engine Main Harness, making installation seamless for automotive enthusiasts. This fuel injection system not only enhances vehicle performance but also includes a Bosch LSU 4.9 Wideband Oxygen Sensor for optimal air-fuel ratio control. Users have praised its straightforward setup, making it an excellent choice for performance-minded truck owners.
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Pros
- Compatible with GM LS Truck Engines
- Includes multiple necessary harnesses
- Enhances vehicle performance effectively
- Easy installation for enthusiasts
- Features a Bosch wideband oxygen sensor
Cons
- Initial setup may require some technical knowledge
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
WHY SHOP WITH US
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
UGX 13561293
Order now and get it around Saturday, November 21
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.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.