Spark Plug DENSO Iridium SK20R11 (3297)

The DENSO Iridium Tough spark plug (Part No. 3297, Model SK20R11) is a premium ignition component that combines durability with high performance. The iridium alloy center electrode provides a high melting point and resistance to electrical erosion, which is crucial for stable engine operation under heavy loads. The SK20R11 model ensures efficient fuel combustion, helping to reduce exhaust emissions and maintain smooth engine idling. The design features a standard 1.1 mm gap, ideal for most naturally aspirated Asian-manufactured engines. High-quality manufacturing by the Japanese brand Denso guarantees reliable cold starts even in low temperatures. This product serves as a dependable replacement for factory-installed plugs, ensuring consistent ignition performance over tens of thousands of kilometers.