[Q] MT6582 Qual-core root topic

I have a LandRover Discovery V8 phone with a jellybean OS, that i would like to upgrade to KitKat if possible.
CPU: MT6582 Qual-core.
Model: V8W05
Version: 4.2.2
Kernel version: 3.4.5
Build # : V8W05 201 40919-132057
Can anyone point me to the right thread to root, and flash the rom for this type of phone please.