The South Side Piru (SSP), also known as the "Dirty South Gang", is primarily an African-American Piru gang located on the South Side of Simi Valley, California. Their neighborhood stretches from Sitka Avenue and Barnes St, between Skagway Street and Royal Avenue. The South Side Piru has spread throughout the United States. This gang have a strong presence througout Atlanta, Georgia, Houston, Texas, Phoenix Arizona, Saint Louis, Missouri, and Simi Valley, California.
Allies include: Valley Hood Pirus. Rivals include: Arroyo Park Crips, Carlotta Street Pirus, Simi Valley Gangster Crips, Varrio Simi Valley, and the West Side Locos.