The inclusion of Nadroga number eight Nemani Nagusa in the Vodafone Fiji 7s team will add more depth to the forwards.
Nagusa did not play in the Wellington and Sydney 7s due to an injury but is fit to make a comeback.
Coach Ben Ryan said the Nadroga rugby captain will be adding the much needed pace and power in the forwards.
Ryan has also included Westfield Dragons prop Masivesi Dakuwaqa and Uluinakau rover Josua Vici.
Meanwhile, after the Australasia leg, the national side still leads the World Sevens Series standings and has 69 points with South Africa and New Zealand with the three sides separated by just points difference at the top of the standings.
Sonny Bill Williams made his sevens debut in Wellington, Francois Hougaard, Henry Speight and Juan de Jongh have all made the crossover from Rugby World Cup 2015, while the likes of Quade Cooper, Liam Messam and Nick Cummins are still to show their faces on the series before the Olympic Games.
The team will leave for Las Vegas tonight.
Fiji will take on Samoa at 1.19pm this Saturday in their first pool match.
They will then play France at 4.20pm Saturday.
Their last pool game is against Argentina at 8.38am Sunday.
The Cup quarterfinals will start at 1.31pm Sunday.
The semifinals kick off at 8.50am Monday while the Cup Final will kick off at 11.57am next Monday.
