CFR Performance Hemi Gen 3 Supercharger Idler Bracket Kit

2011–2026 Chrysler 300, Dodge Challenger, Charger, Dakota, Durango, Magnum, Ram, Jeep Commander, Grand Cherokee, Grand Wagoneer, Wagoneer, Wrangler – 5.7L & 6.4L Hemi

Part #: HZ-7751-KIT

Overview

The CFR Performance Aluminum Mopar Hemi Gen 3 Supercharger Idler Bracket Kit is a precision-engineered solution designed specifically for Hellcat supercharger pulley installations on 5.7L and 6.4L Gen 3 Hemi engines. Compatible with a wide range of Chrysler, Dodge, Jeep, and Ram models from 2011 through 2026, this kit enables enthusiasts and professional installers to upgrade their front accessory drive system without extensive modifications.

By maintaining the factory accessory drive spacing and allowing the use of stock components, this idler bracket kit simplifies the Hellcat supercharger swap process while ensuring proper belt alignment and tension. It is an essential upgrade for those seeking reliable, efficient supercharger performance with a clean, bolt-on installation.

Key Features

This idler bracket kit offers a comprehensive set of features tailored for Hellcat supercharger conversions on Mopar Gen 3 Hemi engines:

• Precision-machined aluminum bracket for lightweight strength and durability
• Includes two high-quality idler pulleys engineered for smooth, reliable belt operation
• Complete hardware kit with bolts and spacers for secure, hassle-free installation
• Maintains stock accessory drive spacing to simplify installation and preserve OEM layout
• Compatible with Hellcat supercharger pulley on 5.7L and 6.4L Hemi engines
• Designed for Chrysler 300, Dodge Challenger, Charger, Dakota, Durango, Magnum, Ram, Jeep Commander, Grand Cherokee, Grand Wagoneer, Wagoneer, and Wrangler models from 2011 to 2026
• Allows retention of factory accessory drive components, reducing complexity and cost
• Optimizes belt routing and tension for consistent supercharger performance

Construction & Design

The idler bracket is crafted from high-grade aluminum, providing an ideal balance of strength and weight savings. Its precision CNC machining ensures a perfect fit and alignment with the factory accessory drive system, minimizing the need for custom modifications. The included idler pulleys feature durable bearings designed to withstand the increased demands of supercharged applications, delivering smooth and long-lasting operation.

This robust construction preserves the integrity of the front accessory drive system while supporting the additional load introduced by the Hellcat supercharger pulley.

Installation & Fitment

Installation of the CFR Performance Idler Bracket Kit is straightforward for experienced enthusiasts and professional installers familiar with Hellcat supercharger swaps. The kit bolts directly onto the front accessory drive, maintaining OEM spacing and allowing the use of factory accessory drive components. This reduces installation complexity and helps keep costs down.

Note that the serpentine belt is not included. CFR Performance recommends the Gates serpentine belt part number K061015HD to ensure proper fit and optimal performance. This kit fits a broad range of vehicles equipped with Gen 3 Hemi engines, including Chrysler 300, Dodge Challenger, Charger, Dakota, Durango, Magnum, Ram, Jeep Commander, Grand Cherokee, Grand Wagoneer, Wagoneer, and Wrangler models from 2011 through 2026 with 5.7L and 6.4L engines.

What's Included

• Aluminum idler pulley adapter bracket
• Two high-quality idler pulleys
• Mounting bolts and spacers

Ideal For

This idler bracket kit is ideal for Mopar enthusiasts, performance builders, and professional installers upgrading their 5.7L or 6.4L Gen 3 Hemi engines with a Hellcat supercharger pulley. It provides a reliable, bolt-on solution that preserves the factory accessory drive layout while enabling the significant power gains associated with Hellcat supercharging. Perfect for those seeking a clean, efficient, and durable upgrade without the need for extensive custom fabrication.

CFR Performance is a major automotive supplier and distributor of car and truck accessories. We are a part of a family owned and operated tradition of automotive Excellency, which dates back to the late 1970's. Since then we have put together some new and innovative products for our customers. At CFR, we use our long tradition of wisdom in automotive business and customer satisfaction to provide you with superior quality and cost effective products.