Differential reinforcement "DIRS" for Jeep Grand Cherokee SRT & Trackhawk, Dodge Durango SRT & Hellcat
Per4mance Development Differential Integration and Reinforcement System (DIRS) - reinforce your differential housing and improve both the independent rear suspension function and traction of your Jeep Grand Cherokee SRT or Trackhawk and Dodge Durango SRT and Hellcat with the DIRS-J.
Part 1 attaches the differential with the lower two main housing bolts and the two lower housing bolts to reinforce the differential.
Part 2 attaches to the rear crossmember and carries an OEM differential bushing (just like the two in the rear crossmember) to add a third integration point to attach to the reinforced differential.
Properties:
- CNC-machined T-6061 billet aluminum manufactured in the USA
- OEM differential bushing
- ARP (or equivalent) fastening material of grade 10.9
- Cross member inserts with 304 stainless steel thread
- Complete kit with everything needed for installation, including Loctite
- Hard anodized coating in black
- Access to filling and drain plugs
- Suitable up to 1000 hp wheel power
- No additional noise or vibrations
Note:
To install the DIRS-J differential reinforcement, two holes must be drilled in the rear cross member.
Fits:
| Brand | Model | Engine | Year |
| Dodge | Durango | 6.2 Hellcat | 2021 – 2023 |
| Dodge | Durango | 6.4 SRT | 2018 – 2023 |
| Jeep | Grand Cherokee | 6.2 Trackhawk | 2018 – 2021 |
| Jeep | Grand Cherokee | 6.4 SRT | 2015 – 2021 |
Manfred -
I can highly recommend Kraftwerk. I did an all-round job and replaced all the wear parts for my Trackhawk + a small performance upgrade. The advice was top, delivery time as stated. I'm looking forward to the next upgrade.
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Marco -
Highly recommended, and any questions were answered directly. You never had the feeling of being on your own. Super customer service.
Verified purchase. More information
patricgrunewald -
Very good quality fits perfectly
Verified purchase. More information