camshaft & cam gears

[ofer]

hi,

i'm in a process now with builting a 2jz engine for drag uses.

i wanted to know what you guys think of changing the camshafts & camgears for that use...?

if you are up for it - what kind should i use? (greddy? other? 264? 272? 280? ect'....)

i saw this beauty cam gear...
http://www.horsepowerfreaks.com/partdetails/Venom/engine/Cam_Gears/Billet_Adjustable/3488
except from beeing a beauty...has anyone tried it? got an experience with it?

many thanks,
ofer