SKU: DIRS-J
2015-2021 Jeep Grand Cherokee SRT / Trackhawk & 2018-2024 Dodge Durango SRT / Hellcat
The DIRS-J Rear Differential Brace is the ultimate upgrade for high-horsepower WK2 Jeep Grand Cherokee SRT/Trackhawk and Dodge Durango SRT/Hellcat owners. CNC-machined from billet 6061-T6 aluminum and hard-anodized black, this brace eliminates rear differential movement under hard launches, prevents axle hop, and dramatically reduces the chance of cracking or destroying the factory differential housing a common failure on 700+ HP builds.
100% bolt-on design reuses factory hardware and installs in under 30 minutes with basic hand tools. Proven on 1000+ HP Trackhawks and Hellcat Durangos worldwide.
Key Features
- CNC-machined 6061-T6 billet aluminum construction
- Hard black anodized finish for durability
- Eliminates differential movement & axle hop
- Prevents cracked differential housings on high-HP builds
- Direct bolt-on no drilling or welding
- Installs in under 30 minutes
- Made in the USA
- Limited lifetime warranty
Product Notes
- Fits 2015–2021 Jeep Grand Cherokee SRT & Trackhawk
- Fits 2018–2025 Dodge Durango SRT 6.4L & Hellcat 6.2L
- Compatible with factory & most aftermarket axles
California Proposition 65 Warning: This product can expose you to chemicals known to the State of California to cause cancer or reproductive harm. For more information go to www.P65Warnings.ca.gov
Warranty: Limited lifetime to original purchaser
Installation
- Professional installation recommended but not required
- Bolt-on using factory hardware
- Estimated install time: 20–30 minutes
This Part Fits
| Year | Make | Model | Engine |
|---|---|---|---|
| 2015-2021 | Jeep | Grand Cherokee SRT / Trackhawk | V8-6.4L / 6.2L (sc) |
| 2018-2025 | Dodge | Durango SRT / Hellcat | V8-6.4L / 6.2L (sc) |
What’s Included
- (1) Billet 6061-T6 Rear Differential Brace – Black Anodized
- All necessary spacers & hardware
- Detailed Installation Instructions
Frequently Asked Questions
- Q: Do I need this on a stock vehicle?
A: Not required, but highly recommended on any SRT/Trackhawk/Hellcat - Q: Will it fit with aftermarket axles?
A: Yes, clears DSS, GForce, and most upgraded axles - Q: Does it change ground clearance?
A: No, sits above factory location
Shipping & Handling
- Method: UPS or FedEx Ground
- Availability: Typically ships same day or next business day when in stock
- Packaging: Heavy-duty box with custom foam protection
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