Steel.

Mike,
Which chassis did I purchase from you? I think I have the stock length chassis.

Yes, John, you have the G2 Carbon race chassis without the extension. The extension can be added at any time.

rear and front cvd #
 

I was wondering what the part number for the front and rear CVD from UE are? I have a emaxx original. Thanks guys for the help

these are the ones if you have got 1/8th diffs,
http://www.rc-monster.com/proddetail.php?prod=UE13501s7

for the ones that include the drivecups, please contact Mike, my search for CVD didn't returned them in my results.

http://www.unlimitedengineering.com/...ml?id=HyE3ktmV

this have the drive cups.