Spark Plug choices for 997.1s
#1
Spark Plug choices for 997.1s
Curious as I know the oem plug replacements are the Bosch with 4 electrode pattern. I see that NGK also has one with similar electrode pattern which is listed as an oem replacement. Curious if there is any difference between the two.
Thanks
Thanks
#3
Advanced
I just did the NGKs today with new coils, the NGKs are around $2 more per plug. They look to be better made than the Bosch ones, not sure if they have any performance difference.