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 independent rear suspension function and traction on your Jeep Grand Cherokee SRT or Trackhawk and Dodge Durango SRT and Hellcat with the DIRS-J.
Part 1 attaches the differential using the lower two main case screws and the two lower case screws to reinforce the differential.
Part 2 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 integration point to attach to the reinforced differential.
Characteristics:
- Made and CNC machined in the USA from T-6061 billet aluminum
- OEM differential bushing
- ARP (or equivalent) grade 10.9 fastening material
- Threaded cross member inserts made from 304 stainless steel
- Complete kit with everything needed for installation including Loctite
- Hard anodized black coating
- Access to fill and drain plugs
- Suitable for up to 1000 hp wheel power
- No additional noise or vibrations
A notice:
To install the DIRS-J differential reinforcement, two holes must be drilled in the rear cross member.
Fits:
| Make | 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 sweep and replaced all the wearing parts for my Trackhawk + a small performance upgrade. The advice was great, delivery time as stated. I'm looking forward to the next upgrade.
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Marco –
Highly recommended. If anything was unclear, we answered straight away. You never had the feeling of being alone. Great customer service.
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patricgrunewald –
Very good quality, fits perfectly
Verified purchase. More information