I've been told by Baytown Nissan and Mossy Nissan that the B series plugs are now G series. I read in an earlier post that PFR6G-11's are for NA's. I'm trying to find the colder plugs for a TT roughly stage V.
Follow Ups
Is it true that NGK PFR6B-11's are now PFR6G-11's? - Mike B (Houston)19:54:09 11/30/01