If I can track down or if someone else has handy the Mopar Performance part number for the bolt replacements that safe the differential pin.I also have had BG Syncroshift in for 15k to 20k, not sure what I'll put in when I change it out next though.15.9 @ 86.7mphInjen CAI, 55mm TB, P&P Intake, Crower Cams, Hooker Header, ERT/Catco Cat, GS-T Muffler, AFX UDP, Crane Ign Amp, S-AFC