itr valves v ctr valves

[turn it up]

Are itr vavles and ctr valves the very same ?
As in both have the skinner intake stem and lighter weight then the b16a valve.

 

[sako_dj]

same part numbers mate
itr
intake valve - 14711-P73-J01
exhaust valve - 14721-PR3-000

ctr
intake valve - 14711-P73-J01
exhaust valve - 14721-PR3-000

Note: B series exhaust valves are all the same.