This rear come with brakes and axles installed in the housing. 
 
1968-1976 Nova 
Stock width 60" wheel mounting surface to wheel mounting surface
Perches welded in the stock location
12 Bolt - USA made casting
3" tubes / 1/4" wall - seamless DOM
30 spline Moser bolt-in style axles
Truetrac posi
Choice of gear ratio
1350 yoke
Chrome