Just finishing up my leather seats from Interior Innovations. I acquired some 1977 280Z seats so I could have the full forward tilt control, the springs in the 77 seat bottoms is also a nice upgrade from the straps in the 71 seat bottoms. I think it raises you in the car by an inch or so with the new foam and 77 seats. A comment on the seat cover bottoms. They come with a cotton cord as a draw string. I was concerned that the cotton would stretch and would probably break under the constant pulli