Racing » 2021 IMSA Prototype Challenge Road AtlantaPhoto: Walter SippelPhoto: Walter SippelPhoto: Walter SippelPhoto: Walter SippelPhoto: Walter SippelPhoto: Walter SippelPhoto: Walter SippelPhoto: Walter SippelPhoto: Walter SippelPhoto: Walter SippelPhoto: Walter SippelPhoto: Walter SippelPhoto: Walter SippelPhoto: Walter SippelPhoto: Walter SippelPhoto: Walter SippelPhoto: Walter SippelPhoto: Walter SippelPhoto: Walter SippelPhoto: Walter SippelPhoto: Walter SippelPhoto: Walter SippelPhoto: Walter SippelPhoto: Walter SippelPhoto: Walter SippelPhoto: Walter Sippel