no worries mate, it is a bit confusing these diff versions.. quite why they have brought out a B version front end anyway isnt realy clear to me... But i do know the B parts do have to be used togther
-----------------------------------
Mugen MBX5 conversion
LRP Vortex 8 motor
MMM
4c 5000 mah lipo's
RC-Monster bling
I was the one based on a misunderstanding who advised you to go with the B version arms prior to others posting on RCtech more info about them. I appologize. I have updated my links to reflect this. Once again, I do appologize.