Peerless Go Kart Differential

[SuzukiTom]

I know that the specs say a max of 150 FtLb torque or 10 HP max.
But I need to be able to run up to 16 HP reliably. Can I expect this diff to handle it?
What is the limiting factor: the housing, or the gears?

Thanks,

Tom

 

[ML-TOYS]

Doc would possibly know