HOLLEY 550-917T Term Ls Kit Gm Multec Trans Control 24X

( Brand: Holley ), ( Manufacturer Part Number: 550-917T ), ( Type: Supercharger Kit ), ( Manufacturer Warranty: Yes ), ( Fitment Type: Performance/custom ), ( Country/region Of Manufacture: United States ), ( Finish: Black ), ( Placement On Vehicle: Front )

Review HOLLEY Term Max Ls Kit For Gm Truck 24x Multec Trans Control

The Holley 550-917T Term LS Kit is a fuel management solution designed specifically for GM 24x multi-port EFI engines using the LS series engine controller. This kit offers an upgrade from the factory fuel system, providing improved performance and reliability.

The heart of this kit is the Holley Terminator X2 fuel injection system. It includes a high-flow, 340 lph fuel pump, capable of delivering enough fuel for even the most demanding applications. The pump is driven by a robust, 15-inch pulley and features a 6-port, high-impedance design for compatibility with various sensors and gauges.

The fuel pressure regulator is adjustable from 30 to 85 psi, allowing users to fine-tune the fuel pressure to their specific engine setup. The regulator also features a built-in fuel pressure gauge for easy monitoring.

The kit includes a fuel pressure sensor, which monitors the fuel pressure and sends the data to the engine controller. This allows for closed-loop fuel control, ensuring optimal fuel delivery at all engine speeds and loads.

The Holley 550-917T Term LS Kit also includes a wiring harness with connectors for easy installation. The harness includes a fuel pressure regulator harness, a fuel pressure sensor harness, and a wiring adapter for the factory EFI connector. The kit also includes a fuel filter and a fuel pressure relief valve.

The Holley Terminator X2 system is designed to work seamlessly with the GM 24x multi-port EFI engines, allowing for simple and straightforward installation. It offers a significant upgrade over the factory fuel system, providing improved fuel delivery, reliability, and the ability to fine-tune fuel pressure for optimal engine performance.

Holley 550-917T Term LS Kit for GM 24x Multiec Transmission Control: A Comprehensive Analysis

The Holley 550-917T Term LS Kit is an engine management system designed for GM vehicles with 24x multiec transmissions. This kit offers several advantages over stock systems, but it also comes with certain drawbacks. In this analysis, we will discuss the key features, benefits, and potential disadvantages of this product to help you make an informed purchasing decision.

1. Fuel Injection: The Holley EFI system provides precise fuel delivery for optimal engine performance and efficiency.

2. Transmission Control: The kit includes a Holley Transgo shift controller that enables customizable shift points and firmness.

3. Wide Compatibility: The system supports a wide range of GM engines and can be used with various transmission types.

4. Easy-to-Use Interface: The Holley EFI system features an intuitive interface, making it easier for users to tune and configure settings.

1. Improved Performance: With precise fuel delivery and customizable shift points, the Holley 550-917T Term LS Kit can help improve engine performance and acceleration.

2. Customizability: The system allows users to fine-tune various settings, enabling them to optimize engine performance for their specific application.

3. Enhanced Driveability: The Holley Transgo shift controller ensures smooth and responsive shifts, enhancing overall driveability.

4. Fuel Economy: By optimizing fuel delivery, the Holley EFI system can help improve fuel economy, reducing operating costs.

1. Complex Installation: Installing the Holley 550-917T Term LS Kit can be a complex process, requiring advanced mechanical skills and knowledge.

2. Cost: Compared to stock systems, the Holley EFI system can be quite expensive, which may be a deterrent for some potential buyers.

3. Learning Curve: The system comes with a learning curve, as users will need to spend time familiarizing themselves with the various settings and tuning options.

The Holley 550-917T Term LS Kit offers several advantages for GM vehicle owners looking to enhance their engine performance and customize shift points. However, its complex installation process, relatively high cost, and learning curve may deter some potential buyers. Ultimately, if you're willing to invest the time and resources into the installation and tuning process, the Holley EFI system can provide significant benefits in terms of performance, customizability, and driveability.

If you are an experienced DIY enthusiast or a professional mechanic, and you're looking to take your GM vehicle's performance to the next level, the Holley 550-917T Term LS Kit is an excellent investment. However, if you're new to engine management systems or lack the necessary skills and resources for installation and tuning, it may be best to consider alternative options or seek professional assistance.

Details:

Boost Control Configurable by time, gear, RPM, or speed, with built-in safety features. Holley Term X Max LS Kit for GM Truck 24X Multec 2 W/ Trans Control. Base maps for common LS engine combos, the Term X Max gets you up and running quickly, whether on street or track. On-board diagnostic Leds Quickly identify ECU power, wide band status, TPS calibration, and crank/cam signals.

Plus, Holley Efi powerful yet user-friendly software suite offers full laptop access for advanced adjustments. Part number 550-917 also includes 4L60E/4L80E transmission control. Free Holley EFI software Full laptop tuning access included. These kits come with a USB/CAN cable instead of the 3.5 handheld and use free Term X software for setup, which has access to multiple base calibrations both naturally aspirated boosted builds.

The Term X Max offers real-time fuel learning, high-impedance injector drivers, an integrated 1-bar MAP sensor, and 4 programmable inputs/outputs that can be used for electric fans, boost control, progressive notorious, more. High-impedance injector drivers Supports most stock LS and Holley EFI injectors not low-impedance. Notorious Control Single wet or dry channel, progressive non-progressive, with AFR safety protection. Key Features, Real-time fuel learning Automatically adjusts base tables, reducing guesswork.

Compact ECU design Mounts almost anywhere Leds must face up.

part #: 550917t price

• $1969.99

specifications reppchargers:

• brand: Holley
• mpn: 550-917t
• type: Supercharger Kit
• manufacturer warranty: Yes
• fitment type: Performance/custom
• country/region of manufacture: United States
• finish: Black
• placement on vehicle: Front

returns reppchargers:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

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• started: September 4, 2025
• sold: 0
• availability: In Stock
• quantity: 9
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• condition: New
• Air Fuel Delivery > Turbos, Superchargers Intercoolers > Superchargers Parts

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