NGK Iridium IX Spark Plugs BKR8EIX (2 step colder) B16A B18C B18C5

2 Step Colder Plugs than factory, for high horsepower application, come ungapped. 

(please becareful when gapping this plug, as the electro in the middle breaks easy)'

B16A, B18C, B18C5, LS/VTEC, B20/VTEC