What is the primary benefit of the EZ-EFI system in this kit?

The EZ-EFI system is designed for self-tuning, meaning it can learn and adapt to your engine's specific needs. This simplifies the process of getting your LS engine running efficiently with electronic fuel injection, even if you're not a professional tuner.

What components are included in the FAST Kit LS Transplant EZ-EFI & LSX?

This kit includes the EZ-EFI Fuel ECU, XIM ignition control system, LSXRT intake manifold, Big Mouth throttle body, billet fuel rails, Precision Flow fuel injectors, an inline fuel pump, and the necessary multiport harness.

Is this kit compatible with all LS engines?

While this kit is designed for a broad range of LS engines and fits over 31 vehicle applications, it's crucial to verify fitment for your specific engine and vehicle combination using the provided compatibility data.

FAST LS Transplant EZ-EFI & LSX Kit 302003L

Name: FAST Kit LS Transplant EZ-EFI & LSX
Brand: FAST
Price: 4918.21 USD
Availability: InStock

FAST Kit LS Transplant EZ-EFI & LSX

$4918.21

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

This kit includes the FAST EZ-EFI Fuel ECU, LSXRT manifold, Big Mouth throttle body, fuel pump, and XIM ignition control for LS engine swaps.

Key Features

Fits 31+ vehicle make/model combinations.
Includes FAST EZ-EFI Fuel ECU and Multiport Harness.
Comes with an LSXRT intake manifold and Big Mouth Throttle Body.
Billet fuel rails and Precision Flow fuel injectors are included.
An inline fuel pump is part of the kit.
Features the XIM ignition control system for spark management.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Product Details

When you're putting an LS engine into a project vehicle, getting the fuel and ignition systems dialed in can be a big part of the job. This FAST Kit LS Transplant EZ-EFI & LSX kit bundles together everything you need to get modern electronic fuel injection and ignition control onto your LS motor. You're getting the FAST EZ-EFI Fuel ECU, which handles the fuel delivery, along with the XIM ignition control system to manage spark. It also includes the LSXRT intake manifold, a Big Mouth throttle body for better airflow, billet fuel rails, Precision Flow fuel injectors, and an inline fuel pump. This is a comprehensive package designed to simplify the conversion process for a wide range of LS applications.

The EZ-EFI system is known for its self-tuning capabilities, making it easier to get your engine running smoothly without needing to be a tuning expert. The included LSXRT manifold is a well-built piece that works with the multiport harness and injectors, ensuring proper fuel delivery to each cylinder. The Big Mouth throttle body offers improved airflow compared to stock, and the billet fuel rails are strong and reliable. This kit is designed to bolt on and integrate with your LS engine, providing a solid foundation for your transplant project. It's a significant upgrade that brings your LS engine up to modern EFI standards.

This kit is a substantial investment in your project, offering a complete EFI and ignition solution. It's designed for vehicles like the Chevrolet Camaro, Corvette, Silverado, and GMC Sierra, among many others, making it a versatile option for LS swaps. Ensure you check the full fitment list to confirm compatibility with your specific vehicle. Because this system is so comprehensive, it simplifies what can often be a complex part of an engine swap.