The 2014-2017 Chevrolet SS Sedans only came with a 6.2 LS3. This was its own model and not related to any other GM vehicle with a SS package.
The Chev SS is a rebadged Holden Commodore, which was sold in a myriad of variants:
https://en.m.wikipedia.org/wiki/Holden_Commodore_(VF)