I have a 12 bolt rear that came from a 74 blazer. It has 4.10 gears, open diff. It is missing one brake drum, and needs new brake pads. 2 wheel studs are also missing. Gears and bearings are in great shape. $150obo. Located in Auburn ca. e-mail firstname.lastname@example.org Will not ship. For $100 extra, I will give you the 4.10 gears and carrier that came out of the front 44. They are in perfect shape.