Iridium IX Spark PlugThe ultimate in the evolution of spark plug technology and performance from the industry leaderThe iridium electrode is 25% smaller than a platinum electrode, and it's just 1/4 the size of a conventional nickel electrodeUltra-small diameter center electrode reduces voltage requirement and extends ignition system lifeNew metal shell plating has enhanced anti-corrosion qualities
NGK Spark Plug BR8HS
NGK BR8HS / 4322 Standard Spark Plug Replaces W3AC RL78C W24FSR
This is the workhorse, the plug that is at the heart of smooth-running engines around the world.
OEM quality
Triple-gasket sealing process
Consistent performance
Plug of choice in millions of vehicles