The SS package was available on 88 models only.
Special features only available on the SS
There were no options available on the SS, theyallcame with
If a car is different than this then it is not an SS model.
1988 Shiro Special DescriptionLacking the digital dash and fancy radio, power seats, and adjustable shocks they are lighter than your normal 87-89 turbo. I'm just guessing here, but figure 100 pounds are saved over a similar non-SS turbo car. The SS is commonly called the SE, but S/S is the correct designation according to Nissan.
The SS is the rarest Z31 made with only 10021)units produced for the US market. 75 SS models were exported to Canada and each of these models carries a badge with the edition number. Compare this to the84 Anniversary Editionproduction of 5148 for the US or the 1980 280ZX 10th Anniversary Edition production of 3000.
How do you tell for sure? Open the hood and read the model plate that is located on the driver's strut tower. All SS models have the trim designation of “SS” encoded in the model information. The SS models all will read: KHLZ31ST(N/U/V)C
KHLZ31STNC = Canadian SS
KHLZ31STUC = Federal Emissions SS
KHLZ31STVC = Californian SS