N/A notos 30cc plenum with bspp gauge threads

hello guys
anyhow modding the notos got the longer barrel plenum kit etc etc
i wanted the plenum extension so i could see regulator pressure
i seem to be having a hard time finding a psi 1-5000 or 300 bar gauge in these bspp thread
i was told bsp is different? and that bspp thread is old hat ive never heard of bspp
anyone have alink or know where to get one id appreciate it