The BOSCH Spark Plug YR8NII35U is a high-performance spark plug designed to deliver exceptional ignition and combustion efficiency for gasoline engines. It features a fine-wire iridium center electrode that provides a precise and powerful spark, ensuring optimal engine performance and fuel efficiency. The iridium center electrode is highly durable and has excellent wear resistance, contributing to a longer service life compared to traditional spark plugs. The spark plug also includes a nickel ground electrode that enhances spark ignition and improves overall engine performance. With BOSCH's advanced engineering and expertise, the YR8NII35U spark plug offers reliable ignition even in extreme conditions, making it an ideal choice for drivers seeking superior engine performance and fuel economy