The hunters will be going up against the Sunshine Coast Falcons at the National Football Stadium.
Boas will start at five eight alongside his brother Watson.
Charlie Simon moves to the extended bench long with Edene Gabbie, Moses Meninga, William Mone and Aba Baundo.
Paul Wawa has also been named at fullback in place of the suspended Adex Wera.
Wera was suspended for two matches by the QRL Judiciary on biting charge.
The 20 man squad is;
- Paul Wawa
- Junior Rau
- Thompson Teteh
- Willie Minoga
- Brendon Gotuno
- Ase Boas
- Watson Boas
- Enoch Maki
- Wartovo Puara Jnr
- Stanton Albert
- Nixon Put
- Mckenzie Yei
- Rhadley Brawa
Interchange
- Charlie Simon
- Ila Alu
- Dilbert Isaac
- Edene Gabbie
- Moses Meninga
- William Mone
- Aba Baundo
Coach Michael Marum will confirm the final 18 at the Captain Run on Saturday and the final 17 an hour before the kick-off on Sunday.
The round 16 ISC against the Sunshine Coast Falcons kicks off at 3pm on Sunday July 1st at the Oil Search National Football Stadium in Port Moresby.