What is the best brand fuel injectors to buy for a stock 1986 honda civic si?

 

If you are keeping the car stock then it is best to stick with stock injectors since they won't require any tuning and will provide all the fuel you need.
You can get your current set cleaned, or can purchase a used replacement set inexpensively most likely and then have them cleaned to know that you have a good working set.
Lots of shops offer cleaning services for stock injectors so feel free to find someone local to you, or if you want you can send them to us for cleaning as well and we'll be happy to help.

 

OEM Honda, just have the stock ones cleaned and serviced.