Grade 40 (equivalent to NGK Grade 8)
Central electrode in 0,6mm Iridium alloy
External platinum electrode and "short type" anti-vibration
Thermal Edge and Spark Support Gap to avoid carbon deposits and misfires
FIT: Impreza EJ25/EJ20 2005-up (long thread) - EVO 9
NB Nissan 07 - 08 VQ35HR only
Price each