The SS/SC Goblin kit does not include a supercharger but it does include more pieces than the base model Goblin kit.
If you select to get an SS/SC Goblin kit, you must get a Cobalt SS with the supercharged engine (2005-2007 Cobalt SS 2.0 are supercharged). You will use the engine as it is with the supercharger that is already installed on it.

The SS/SC Goblin kit costs more because we supply many extra parts to make the Cobalt SS hardware fit. These parts include: