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Bosch premium spark plug: manufactured in Europe from one of the leading global automotive suppliers
First-class spark plug technology: based on original equipment and engineered to the specific requirements of the engine
Plugs easy to replace: factory-pre-set electrode gap, no adjustment necessary; Bosch advices not to lubricate the thread. Requested tightening torque or angle see on package
Excellent wear resistance: precious metal alloy at center and ground electrode
Product Description Bosch 9710/ZR7SI332S Iridium Spark Plugs are engineered to deliver both high performance and long life, representing advanced original equipment (OE) spark plug technology. The ultra-fine wire design and laser welded tapered ground electrode deliver optimum performance, while the Iridium center electrode and Iridum-Platinum tipped ground electrode help it to go the distance. Bosch Iridium Spark Plugs are pre-gapped at the factory and feature nickel plated rolled threads that require no anti-seize, for simple, easy installation right out of the box. Unlock the performance in your engine with Bosch Iridium Spark Plugs. brand_description Bosch Automotive