Which set did this Technic assembly come from? I posted a week or so ago and had great  success identifying a LEGO Star Wars set which is now completed. 
So.. thought is would try again. Can anyone help me identify what this could be?
According to BrickLink there are only 4 sets with the arched element in it in Dark Bluish Gray.
From those only 8435 Technic 4WD seems to fit: