Kiwi coach Stephen Kearney has kept Thomas Leuluai at hooker, after switching him there from scrum-half for the semi-final, with Nathan Fien continuing at number seven.
The initiative then swung back to Young's men with hookerThomas claiming his second, followed by skipper Martyn Williams, fellow flanker Maama Molitika and wing Gareth Thomas' second.
Replacement hooker Rhys Thomas followed Rush to the line and Calvisano struck back when centre Matteo Pratichetti finished off a breakaway and Fraser converted.