Help!! 04 Concors
 

04 Concors
Can anyone name this part? We had the carbs rebuilt because it was pissing gas into the air filter box, got the carbs back from the shop, put them back on the bike and it's still spewing gas from this thing in the photo. Any help of input is very much appreciated!!!
https://cimg4.ibsrv.net/gimg/www.kaw...3cf5fa766.jpeg