I recently ran across an used Powr Loc lsd for dana 30. I do not know if this lsd is preloaded or if the tone ring can be mounted on it. Does anyone know or know where to look for answers. I do know it was considered the best of the clutch type lsd's.
Lewis Shell

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Mail Rated 2005 Red CRD Sport with large rectangular hole in top right behind the EVIC and above the heated leather seats.
2004 Jetta TDI

I do not know if it will fit or not but I read some place that the power loc is more agressive than the tru trac and that may be a little much for the KJ front end?
I think you can get info on them from rider racing

The tone ring will not be a concern on the front D30A diff...

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Founder of L.O.S.T.
2006 CRD Sport
Mods: GDE Hot Tune w/ 364#@2000rpm/Air Box /3" Str8 Exhaust/ASFIR Alum Skids/245-75R-16 Cooper STT PRO/OME LIFT w/Clevis & 4 Spring Isos/AirTabs/Rigid 10" S2 LED/4xGuard Ctr Matrix Bumper
Drag Strip:Reac=.1078_60ft=2.224_1/8=10.39@64.8mph_1/4+16.46@80.8mph