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Discussion Starter #1
I was looking at speedlogix rear upper control arms and they compared them to stock arms. Well the stock arms look aluminum to me. I know on the R/T and S/E the rear upper control arms are: stamp steel front, cast iron rear. So does the SRT have aluminum rear upper control arms?

Speedlogix Billet Rear Tension Arms 05-13 Challenger, Charger, 300, Magnum

it is the last picture, I know the vendor has the pictures in the tension arm area, but the last picture shows rear upper control arms. Thoughts?
 

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First - we will get that picture fixed out of that item.

The arms in that picture are from the 2008-2010 SRT

Here are the arms from the 2011+ SRTs




Short arm is the same as the R/T, longer arm might be a form of aluminum - not Billet Aluminum like our arms...but not the same as the R/T
 

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Discussion Starter #3
your stuff is really good... I've been looking at some pictures and it does look like SRT8s at least some of them have aluminum upper rear arms.
 

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Discussion Starter #5
I thought that the stamp steel was only used on the lighter cheaper SE, surprising. I've also found a OEM rear lower control arm out of aluminum! So evidently at some point in time All three rear arms could have been aluminum.
 
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