i have a problem with my injectors i just bought they are RC 550cc and im putting them on my turbo civic but the problem is that the new injector cam with a o ring on the top and nothing for the bottom so do i have to reuse the stock rubber dough-nut for the bottom ( the part that enters the intake mantifold ) any help plz im so lost ( or were can i get a rubber ring to fit)

thank you

 

honda dealer. get all new o-rings for every injector