Hi George,
When I purchased the intake system, I assumed that Mazda injectors were used,  WRONG, They had at one time used Bosch injectors, then changed to Motron LS120. When I went to buy them, I found that injector  line had been sold to Edge Products in Ogden, Utah. The Edge  injector number is M000200. If you decide to go with Mistral intake, order the injectors with the system, saves a lot of running around.
Take care,
Harold
ps: What are you building?