What Size Injectors Are These?

 

Don't know for sure but they are ev-6 injectors not ev-1's.

 

32.5 LB/Hr

 

I'm pretty sure the 05 GTOs have 42lb-ers

 

Part No 12569113
0-280-158-049

Bosch EV6 standard style injector
They also have the new USCar type electrical connector
These are high impedance style fuel injectors

The stock LS2 injectors flow 4.27 grams/second (33.9 lbs/hr) at 4 bar (58 psi) fuel pressure.

 

Will these work in an ls1?

 

Not without a decent amount of work.
It's not cost effective even if you got the LS2 injectors for free.
Diameters and heights are different.
Electrical connectors are different.