GReddy spark plugs ISO 8 Pro Iridium Universal O-ring groove flange (o-ring included)

O-ring groove flange (o-ring included) to improve seal with the v-band compressor outlet flange

high volume

stock location mounted turbo on transverse mounted 1

MT-153RU29 Blue

Gold ring w/ Ti finish)

GReddy spark plugs ISO 8 Pro Iridium Universal O-ring groove flange (o-ring included)GReddy Spark Plugs are designed in cooler heat ranges to reduce heat and chances of pre ignition. The reason it is so durable is the very fine, 0. 6mm dia. Iridium electrode. Iridium Tune Spark Plugs are ideal for low to medium tuned engines, factory turbocharged engines or bolt on turbo kit equipped vehicles. PRO Iridium Plugs add a Platinum ground electrode ensure even longer life in even the most extreme driving conditions. The Pro Plugs are geared