What type of injectors are these ?

[regalwe4]

What type of injectors are these here is number on side of the injector O1DO3OB. Thanks regalwe4

 

[Chuck Leeper]

Take a look on the other side. There may be a number there....Post a pic?

 

[regalwe4]

There is another number on injector it is 1726. Also injector has blue band around it instead of green band on it .thanks regalwe4

 

[stricken6]

42lb lucas. the O's are zeros