The pace spearheads who failed a drug test last September and had to miss the World Cup where Pakistan were knocked out of the opening round following a shock defeat against tournament underdogs Ireland.
However, the pace duo is now fully cleared to play international cricket after the Court for Arbitration of Sport (CAS) dismissed an appeal by the World Anti-Doping Agency (WADA) against them.
Contrary to speculations in the media that the selectors may opt for a young brigade, the preliminary squad includes all the big guns besides giving chance to few rookies as well.
Former vice-captain Younis Khan is also included in the list along with Mohammad Yousuf and Leg-spinner Danish Kaneria who were not known for their fielding exploits.
There are some new faces in the team like Khurram Manzoor, Khalid Latif and Sohail Tanvir.
The newly appointed Pakistan captain Shoaib Malik will be leading the side. Pakistan have been placed in Group D of the event alongside old rivals India and minnows Scotland. The Twenty20 World Cup would be played from September 11-24.
Preliminary squad: Shoaib Malik (Captain), Shahid Afridi, Younis Khan, Mohammad Yousuf, Yasir Hameed, Fawad Alam, Salman Butt, Imran Nazir, Abdul Razzaq, Kamran Akmal, Shoaib Akhtar, Mohammad Sami, Mohammad Asif, Umar Gul, Iftikhar Anjum, Imran Farhat, Khurram Manzoor, Khalid Latif, Mohammad Hafeez, Misbah-ul-Haq, Naved Latif, Faisal Iqbal, Shahid Yousuf, Yasir Arafat, Sohail Tanvir, Zulqarnain Haider, Mohammad Irshad, Najaf Shah, Danish Kaneria, Abdur Rehman.