Injector Id

[boostmaster]

Hey guys got Tomco Injectors from my buddy who says they are 42.5 lbers but I want to be sure, I went on gnttype .org but could not find the id for tomco units anyway the #'s are D1720AA, 621020, and 1977 on top could someone confirm these #'s for me. Thanks Pete.

 

[boostmaster]

Anyone

 

[Steve Wood]

I believe those are the 30# injector often used as a replacement for stock injectors