Originally Posted by DPE G

The fenders are still rolled, the lip you are seeing is from the flares that come on the new Nismo. The liner is held in by a handful of clips, and two small studs sticking down from the inner side of the rear quarter panel. I'm not familiar with the old style, but if you don't have the holes already, and are willing to drill a handful of holes it would go right on.

Does the old Z not have any rear liners at all?