Denso Iridium is very nice sparkplugs! very good heat, works perfectly! ngk bkur7et is not good! it´s only enough for standard coops. 3 electrodes is hopeless! why not use one electrode like the others!

well i heard that the iridium (specially Denso) have some major issue with the coupe. i even heard here that some reputed supplier stop selling them to coupe!!

Why should they do that? They workes perfectly to other tuned cars too! NGK bkur7et does´nt work good on tuned coop´s. i like denso, but i think ngk´s iridium works good too!