Differential Integration and Reinforcement System - reinforce your differential case and improve your car's IRS operation and traction with the DIRS-J! 100% satisfaction guaranteed.
- Part one attaches the differential using the lower two main case bolts and the two lower case bolts to reinforce the differential.
- Part two attaches to the rear cross-member and carries an OEM differential bushing (just like the two in the rear cross-member) to add a third, triangulated integration point to "attach" to the reinforced differential.
Fitment:
- 2012 and newer SRT 392 and SRT Trackhawk Jeep Grand Cherokees
- 2012 and newer SRT 392 and SRT Hellcat Dodge Durangos
Features:
- American made and CNC machined T-6061 billet aluminum
- OEM differential bushing
- ARP (or equivalent) and Grade 10.9 hardware
- 304 Stainless Steel threaded cross-member inserts
- Complete kit with everything needed for installation including Loctite
- Hard anodized coating in black
- Access to fill and drain plugs
Note:
- Two holes will need to be drilled in the rear cross-member to install the DIRS-J
100% satisfaction guaranteed, return within 30 days of receipt for a full refund.
IMPORTANT:
Use of the DIRS-J may impact the manufacturer's warranty on the differential. Purchaser assumes all responsibility for installation and use.
Product FAQs
What is the DIRS-J and what does it do?
The DIRS-J is a differential brace designed for select Jeep and Dodge performance SUVs. It is engineered to reinforce and support the differential mounting area for high-performance applications.
Which vehicles is the DIRS-J compatible with?
The DIRS-J is designed for Jeep SRT and Jeep Trackhawk, as well as Dodge Durango SRT and Durango Hellcat models, 2012 and newer.
Is the DIRS-J designed for high-performance vehicles?
Yes. The DIRS-J is built specifically for SRT and Hellcat-equipped vehicles, which are designed for high-performance driving and increased drivetrain demands.
Where is the DIRS-J installed on the vehicle?
The DIRS-J is installed behind the rear differential.
What type of driving is the DIRS-J intended for?
The DIRS-J is intended for street, strip, and road course use.
Does the DIRS-J affect noise, vibration, or harshness (NVH)?
The design allows for limited and controlled movement through an OEM-style bushing, with no noticeable increase in NVH.
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SKU: P4D-DIRS-J
$519.00 Regular Price
$469.00Sale Price
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Protect Against Diff Damage
With more than 800HP on tap, launching a Dodge SRT Hellcat or Demon places incredible strain on your drivetrain. We developed the Per4mance diff brace to strengthen the differential case and avoid catestrophic damage, while also increasing rear-end bite and positively impacting wheel hop that can cost you those precious tenths.
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