Denso Iridium Power Spark Plug 5345 IKH22 - x1 Plug

Denso Iridium Racing Spark Plug 5729 IWM01-34 - x1 Plug

Denso Iridium Racing Spark Plug 5726 IWM01-29 - x1 Plug

Denso Iridium Power Spark Plug 5350 ITL20 x1 Plug for Dodge Challenger 6.4 SRT8

Denso Iridium Power Spark Plug 5317 IW27 - x1 Plug for Honda NSR 125 SP R

Denso IWM01-29 Spark Plug 5726 Iridium Racing Replace 267700-1210 R5184-9.5

Denso Iridium Racing Spark Plug - IRT01-31 - Fits Mazda - OE Quality

DENSO Iridium Racing Spark Plug IWM01-31 5727 Single Performance Sparkplug