Corvette 02's
fights headers' cooling effect on the O2s. The
part numbers you want are
Denso DEN 234-4087
Bosch 13111
Get them at whichever (AutoZone, Advance, ...)
will give you the better price & warranty. The going
rate seems to be about $75 a pop, times two.
and higher wattage.
https://ls1tech.com/forums/pcm-diagnostics-tuning/236742-can-anyone-tune-228-228-114lsa-a4-no-surging.html
Trending Topics
The Best V8 Stories One Small Block at Time



Thanks for the help fellas.