Why fine wire? Fine wire platinum and iridium electrodes reduce firing voltage, increasing the lifetime of spark plugs and other components, ensuring reliable iginition.
Engineered for high performance and long life. Only Bosch Iridium delivers both.
Engineered for extended performance life and durability.
Engineered to provide you with improved ignitability and performance.
Bosch Super Plus, with a heavy-duty yttrium-enhanced copper core center electrode, is a long lasting copper core spark plug.
A fused iridium/platinum center electrode tip and surface air gap technology for efficient combustion.
Four yttrium-enhanced ground electrode tips and a platinum center electrode tip creating a powerful spark.
Quick starts, smooth acceleration and increased fuel efficiency.
Robert Bosch LLC guarantees satisfaction when you use Bosch Spark Plugs.
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