Wich brushless motor for the huge Hangar 9 Super Cub ?

Hi,
I’am looking for a brushless motor for a Hangar 9 Super Cub (8kg).
Which motor will you suggest to me to replace this one from E-flite (too expensive) http://www.e-fliterc.com/Products/Default.aspx?ProdID=EFLM4110A
Many thanks, bruno