The side has its final training run on Sunday ahead of the 5pm kick-off at Paeroa Domain.
John-Bosco Tagaloa, Joe Ormsby, Josh White, Zion Ropatini and Rob Maxwell were either unavailable or injured.
Steamers under-20s squad
Forwards: Jamal Reriti, Sean McVeigh, Ricoh Flavell, Caleb Oaks, Carlin Tata, Arapou Whata, Troy Callander, Lars Morrice, Taylor Jones, Beau Williams, Joe Key, Matty Axtens, Sammy Paulson, Jeff Thwaites, Aaron Carroll.
Backs: Te Aihe Toma, Carlos Savage, Tim O'Malley, Carlos Basham, Mike Webber, Graydon Scheres, Danny Kayes, Maika Smith, Elijah Nicholas, Junior Tofa Va'a, Vince Cooney, Shem Wharerau, Jerry Moli.