FAST EFI Conversion Kit

2003–2015 Chrysler, Dodge & Jeep 5.7L HEMI

Part #: 301012

Overview

The FAST XFI 2.0 EFI Conversion Kit is a complete solution designed to upgrade fuel-injected crate or transplant engines with a modern electronic fuel injection system. Engineered specifically for Chrysler, Dodge, and Jeep models equipped with the 5.7L HEMI engine from 2003 through 2015, this kit streamlines the conversion process while enhancing engine performance and drivability.

Ideal for both enthusiasts and professional builders, the kit integrates the advanced FAST XFI 2.0 engine management system with a high-flow 92mm throttle body and ignition control. This combination delivers precise fuel and spark control, improving throttle response, fuel efficiency, and overall engine operation without the complexity of custom wiring or tuning from scratch.

Key Features

This EFI conversion kit offers a comprehensive upgrade package designed for seamless integration and reliable performance:

• FAST XFI 2.0 Engine Management System providing advanced tuning flexibility and dependable control
• XIM Ignition Module for accurate ignition timing and enhanced spark delivery
• 92mm cable-driven high-flow throttle body engineered for optimal airflow and smooth throttle response
• Complete plug-and-play wiring harness tailored specifically for Chrysler, Dodge, and Jeep 5.7L HEMI engines
• Compatibility with a broad range of 2003–2015 Dodge Ram 1500, Ram 2500, Ram 3500, Durango, Charger, Challenger, Magnum, Chrysler 300, and Jeep Grand Cherokee models
• Supports high-performance applications including SRT and Hellcat variants
• Engineered for easy integration with crate and transplant engines
• Improves throttle response, fuel efficiency, and overall drivability

Construction & Design

The FAST EFI Conversion Kit is built with high-quality components designed for durability and performance. The 92mm throttle body features a cable-driven design that ensures smooth, responsive throttle actuation under all driving conditions. The XFI 2.0 system incorporates advanced electronics and software to deliver precise fuel and ignition control adaptable to various engine setups and tuning requirements.

All wiring harnesses and connectors are custom-designed for plug-and-play installation, minimizing the need for splicing or modifications. This thoughtful engineering reduces installation time and potential errors, making the kit a reliable choice for both professional shops and experienced enthusiasts.

Installation & Fitment

This EFI conversion kit fits a wide range of Chrysler, Dodge, and Jeep vehicles equipped with the 5.7L HEMI engine from 2003 to 2015. Compatible models include:

• Dodge Ram 1500 (2003–2010)
• Dodge Ram 2500 (2003–2010)
• Dodge Ram 3500 (2004–2009)
• Dodge Ram 1500 SRT-10 (2004–2006)
• Dodge Durango (2004–2015)
• Chrysler 300 / 300C (2005–2015)
• Dodge Magnum (2005–2008)
• Dodge Charger (2006–2015)
• Dodge Challenger (2009–2015)
• Jeep Grand Cherokee (2005–2015)
• High-performance SRT and Hellcat variants (2014–2015)

The kit is designed for straightforward installation with minimal modifications required. The plug-and-play wiring harness and included components allow for a clean and efficient conversion process, suitable for both professional installers and knowledgeable enthusiasts.

What's Included

• FAST XFI 2.0 Engine Management System
• XIM Ignition Module
• 92mm cable-driven high-flow throttle body
• Complete plug-and-play wiring harness tailored for Chrysler, Dodge, and Jeep 5.7L HEMI engines
• Installation hardware and connectors

Ideal For

This EFI conversion kit is perfect for vehicle owners upgrading crate or transplant 5.7L HEMI engines who want a reliable, easy-to-install aftermarket EFI solution. It suits enthusiasts seeking improved throttle response, fuel efficiency, and engine management flexibility without the complexity of custom wiring or tuning from scratch. Additionally, it supports high-performance builds including SRT and Hellcat models, making it a versatile choice for street, strip, or show applications.

FAST (Fuel Air Spark Technology) develops aftermarket EFI and engine-management solutions for high-performance street and race builds. From throttle-body and multi-port EFI systems to supporting ignition and fuel-system components, FAST is aimed at enthusiasts who want modern tunability, cleaner drivability, and strong power potential.