The BOSCH Spark Plug YR7NII33S is a high-quality spark plug designed to provide excellent ignition performance and engine efficiency. It features a nickel-yttrium alloy center electrode that ensures reliable and consistent spark ignition, leading to smooth engine operation and improved fuel combustion. The nickel-yttrium center electrode is highly durable and designed to withstand the rigors of engine operation, providing a long-lasting and reliable spark plug solution. Additionally, the spark plug includes a nickel ground electrode, which contributes to enhanced ignition efficiency and reduced emissions. The YR7NII33S spark plug is precisely engineered by BOSCH, a leading automotive technology company, to meet the specific requirements of various gasoline engines, making it a dependable choice for drivers seeking optimal spark plug performance for their vehicles