I just received my ecotec supercharger injectors, but can't match any of the numbers on the GMPP parts list, or the Siemens injector website. The injectors have only these numbers:

1- 12706-147 6399
2- 12706-139 6399
3- 12706-133 6399
4- 12706-142 6399

They all have 4 holes in the bottom, blue top o-ring and black bottom o-ring.
They all say Siemens Deka QH then either 06 or 90.

Any idea if these are the 42lbs injectors?

-Garrett


HP Tuners | Garrett T3/T04B | 2.5" Charge Pipes | 2.5" Downpipe | 650 Injectors | HO Manifold | Addco front/rear | Motor Mounts | HKS SSQV | Spec stage 3 | AEM UEGO Wideband | Team Green LSD | FMIC | 2.3 cams | 2.3 oil pump swap | 280WHP | Now ECOTECED

they look exactly like these injectors:






HP Tuners | Garrett T3/T04B | 2.5" Charge Pipes | 2.5" Downpipe | 650 Injectors | HO Manifold | Addco front/rear | Motor Mounts | HKS SSQV | Spec stage 3 | AEM UEGO Wideband | Team Green LSD | FMIC | 2.3 cams | 2.3 oil pump swap | 280WHP | Now ECOTECED

I just got my 42s. They look nothing like that. But mine could be different


15.0 @ 90mph with only a intake and exhaust.