Driveshaft Shop 9-Inch Direct Bolt-in Rear Conversion Kit
2009–2014 Chrysler 300 & Dodge Charger HEMI Automatic Transmission
TuCa4:7755
Overview:
The Driveshaft Shop 9-Inch Direct Bolt-in Rear Conversion Kit is the ultimate rear end upgrade designed specifically for 2009 to 2014 Chrysler 300 and Dodge Charger models equipped with 5.7L HEMI, 6.1L SRT8, or 6.4L 392 engines paired with automatic transmissions. This comprehensive kit replaces the factory rear end with a robust 9-inch housing and drivetrain components engineered to handle extreme horsepower and torque levels, making it ideal for enthusiasts seeking maximum durability and performance on the street or strip.
Built to withstand up to 1400 horsepower, this conversion kit offers a direct bolt-in installation that eliminates the need for extensive modifications. It is engineered to provide superior strength, reliability, and smooth operation under the most demanding driving conditions, ensuring your Chrysler 300 or Dodge Charger is equipped with a rear end that can handle serious power upgrades and aggressive launches.
Key Features:
This 9-inch rear conversion kit incorporates advanced engineering and premium components to deliver exceptional performance and durability:
- Complete 9-inch bare rear housing designed for direct bolt-in installation
- Front mount compatible with original 5-bolt pinion flange for secure fitment
- 1400 HP rated 33 or 35 spline differential stubs for extreme strength
- True 1400 HP rated axles with billet outer CV joints featuring fully REM polished internals
- Porsche-style 930 inner CV joints with custom larger center bars for maximum torque capacity
- Full 4-inch aluminum driveshaft included, with optional carbon fiber upgrade featuring CV front and 1350 rear flange
- High-speed balanced CV shafts using a 9500 RPM balancer to eliminate vibrations
- Designed for use with Strange 5-bolt pinion center sections for guaranteed fitment
- Supports up to 6000 ft-lbs of torque with robust CV joints, avoiding common vibration issues found in 4x4 slider designs
- Fabrication and differential mounting expertly executed by Bagshaw Fabrication, ensuring precision and reliability
Construction & Design:
The Driveshaft Shop 9-Inch Rear Conversion Kit is crafted from high-quality materials engineered for strength and longevity. The rear housing is a bare 9-inch unit designed to accommodate heavy-duty components and withstand the rigors of high horsepower applications. The CV joints are billet-machined with REM polished internals for enhanced durability and smooth operation.
The kit’s custom CV joints utilize a larger center bar, proven in record-breaking IRS cars, providing superior torque handling and reliability. The driveshaft options include a lightweight 4-inch aluminum shaft or an advanced carbon fiber upgrade, both designed to reduce rotational mass and improve drivetrain efficiency. Every shaft is balanced at high RPMs to ensure vibration-free performance, critical for modern unibody muscle cars.
Installation & Fitment:
Installation of this rear conversion kit is straightforward and designed as a direct bolt-in replacement for the factory rear end on 2009–2014 Chrysler 300 and Dodge Charger HEMI models with automatic transmissions. The rear housing bolts directly to the chassis, and the front mount uses the original 5-bolt pinion flange, simplifying the installation process.
This kit is specifically engineered for use with Strange 5-bolt pinion center sections; using other center sections may require modifications and are not guaranteed for fitment. The kit is built to order with a 6-8 week lead time, ensuring precision assembly and quality control.
What's Included:
- 9-inch bare rear housing
- Front mount for 5-bolt pinion flange
- 1400 HP rated 33 or 35 spline differential stubs
- True 1400 HP rated axles with billet outer CV joints
- Porsche-style 930 inner CV joints with custom larger center bars
- Full 4-inch aluminum driveshaft (carbon fiber upgrade optional)
- High-speed balanced CV shafts
- Installation hardware and mounting components
Ideal For:
This rear conversion kit is ideal for Chrysler 300 and Dodge Charger owners who demand the highest level of rear end strength and reliability for high horsepower builds. It is perfect for street performance enthusiasts, drag racers, and anyone regularly launching their vehicle hard at the drag strip. The kit is especially recommended for cars making over 1000 horsepower at full weight, where durability and torque capacity are critical.
Whether upgrading from a factory rear end or replacing a worn unit, this kit provides a long-lasting solution that will handle serious power without compromise.
