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I want to get my car suregrip or posi trac, whatever you want to call it as well as a taller gear than the 3.02 in it. Its an automatic 2009 rt. Does anyone sell these parts? I am having a heck of a time trying to find anything on google. Any help is great!
 

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You can look at the Getrag 3.92 LSD. That's whats on mine. Speedlogix has it available. I'm sure Steve White Parts does also. Maybe others too.
 

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Im pretty sure You can also go to your dealer and get either 3.73 or 3.92 Getrag LSD,
They are standard Mopar parts. At present you have 3.06 open ended rear.
 

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You can get 3.73 and 3.92 getrag LSD rear (from Mopar parts dealers), but if you go aftermarket you can also get 3.23, 3.55 and 4.11 gears installed in a getrag.
 

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I did this on my auto, you will also need new half shafts and hubs. Completely worth the money, the car launches incredibly well now. Btw, I stayed with the 3.06 ratio
 
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