Well it is the original crank pulley, alternator, A/C unit and power steering unit, however on a newer 360 block. But let me be more specific, what I am really talking about is the face of the ps pulley is not at the same angle. It sort of slants away, and both pumps do it to some degree, (1/8 inch +-). So I was wondering how precise these pulley's usually line up? Could you place a straight edge across the crank and ps pulley faces and have almost no gaps from outside to outside top to bottom? Just wondering. By the way, the crank to alt to a/c units all look like they line up and are at the same angle. I will probably just use some washers and bend the brackets a bit to get the angle fixed.