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Per4mance Development DIRS-J for Jeep SRT/Trackhawk and Durango SRT/Hellcat (2015 & newer)


Reinforce your Jeep Trackhawk and SRT differential case and improve your car’s IRS operation and traction with Per4mance Development DIRS-J.

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SKU: P4D-DIRS-J Category:


DIRS-J for Jeep Trackhawk and SRT (2018 and newer vehicles)
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.
  • American made and CNC machined T-6061 billet aluminum
  • OEM differential bushing
  • ARP 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

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