I have a strong feeling that mine are different from that, but I am not at home to check.
I would go for the Harrington bumper, but I am worried about the fitment, even the ones that do fit have a slightly different profile where it follows the curve of the bodywork than the original ones from what I've seen and I'm not sure I could accept it. But I have few options, been over a year and haven't found an original available.
I would love to got for an FRP one and get it chromed, even just for the weight saving alone. but you are looking near £1000 all in, I just can't bring myself to spend that on 1 bumper.
There are still two options, but both are a gamble on fitment. Plus they are for 240Z's, while I think my bumpers may be 240Z bumper I am not sure and haven't been able to confirm if 240Z bumpers can fit my car.
http://www.blackdragonauto.com/feat..._aKysCeFXlAfMhfYjybbWu-VPB_O4WtYUQaAuBv8P8HAQ
http://www.thezstore.com/page/TZS/PROD/classic02n04a01a/32-1099