Two nipples on the Greddy type-s BOV

[1G/TS-ituner]

I have the greddy type-s BOV and i noticed two nipples on it, and im wondering what the second smaller one is for??? i have my main vaccume line hooked up to the flat one, but just out wondering what the second one is for???

 

[Eagle_Summit]

I have the greddy type-s BOV and i noticed two nipples on it, and im wondering what the second smaller one is for??? i have my main vaccume line hooked up to the flat one, but just out wondering what the second one is for???

i was wondering the same thing

 

[hornetsnest]

RRE BOV Stuff

 

[Eagle_Summit]

 

[1G/TS-ituner]

sweet