4 hole fuel injector upgrade?

[L J]

Anyone know the OEM for the injectors?

I'd guess Bosch

 

[macleanflood]

Depends on the year. My 97 is Siemens.

-Mac

 

[1904-06LJR]

 

[dbbd1]

What is the stock pounds rating for an '06 4.0L?

 

[Steel City 06]

I'm running the 12-hole injectors. On their own, not much of a difference. But combined with a cowl intake and coated intake and exhaust headers/cats plus a good tune, they can make a noticeable difference in power and fuel economy. So much so that 4.10s seem like too much gear for 35s...