Differential Integration and Reinforcement System - reinforce and stabilize your front differential case with the DIRS-F! 100% satisfaction guaranteed. ** NOW REDESIGNED TO FIT RHD 2018 AND NEWER TRACKHAWKS AND SRT ** - Part one, the support arm attaches to the vehicle frame at the same attachment points as the front differential.- Part two attaches to the differential on the case where the passenger side output shaft side case extension bolts to the main differential case (an area suspect to damage on high-HP modified-engine vehicles).- Part two then attaches to the support arm and carries an OEM differential bushing to add a third, triangulated integration point to "attach" to and stabilize the differential. NOTE: The design of the DIRS-F incorporates a pressed in extension for the rear frame mount that is also welded in for strength. There will be inconsistencies in the anodization coating in this area of the brace. 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 - Grade 10.9 hardware - Complete kit with everything needed for installation including Loctite - Hard anodized coating in black - No increase in NVH   IMPORTANT: Use of the DIRS-F may impact the manufacturer's warranty on the differential. Purchaser assumes all responsibility for installation and use.

Patented Protection! Differential Integration and Reinforcement System - reinforce your differential case and improve your car's IRS operation and traction with the DIRS! 100% satisfaction guaranteed.   New two-piece transformative product from Per4Mance Development:- Part one attaches the differential using the lower two main case bolts and the three 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.   Features: - American made and CNC machined T-6061 billet aluminum - OEM differential bushing - ARP fasteners (or equivalent)/North American made galvanized bushing bolt - P4D tool-less inserts for cross-member attachment - Hard anodized coating in black   - Access and channel for drain plug   User reported observations and benefits: 1) Product Quality and Packaging2) Strength and Robustness3) Improved rear-end dynamics including increased traction/less wheel hop4) No noticeable increase in NVH   WILL NOT WORK WITH aFe EXHAUST! IMPORTANT: Use of the DIRS may impact the manufacturer's warranty on the differential. Purchaser assumes all responsibility for installation and use.