| Montanha Russa: | Viper |
| Parque de Diversões: | Six Flags Great America (Gurnee, Illinois, USA) |
| Classification: | Montanha Russa |
| Tipo: | Madeira - Sentada |
| Situação: | Operating since 4/29/1995 |
| Track layout: | Ciclone |
| Capacidade: | 1000 riders per hour |
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| Extensão: | 1054 m | |
| Altura: | 30.5 m | |
| Queda: | 24.4 m | |
| Inversões: | 0 | |
| Velocidade: | 80.5 km/h | |
| Duration: | 1:45 | |
| Max Vertical Angle: | 53 Graus | |
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| Trains: | 2 trains with 5 cars per train. Riders are arranged 2 across in 3 rows for a total of 30 riders per train. |
| Restrictions: | Riders must be 1.22 m or taller to ride. |
| Built by: | Philadelphia Toboggan Coasters, Inc. |
| |
| Notes: | The Viper is a mirror image of the original Cyclone at Coney Island's Astroland. |
