Iridium Spark Plug (RC12WLPB4) is engineered for maximum performance and longevity, making it a premium choice for demanding drivers. Featuring a fine-wire iridium center electrode and iridium-platinum ground electrode, this spark plug delivers exceptional ignitability and durability. The V-trimmed ground electrode ensures sharper spark focus, while the Heat-Active alloy allows the electrodes to reach optimal temperature quickly, maintaining stable operation under all engine loads. Designed with a flat seat type and integrated resistor, it provides reliable performance and compatibility with a wide range of vehicles. Whether you're seeking enhanced engine efficiency or extended service life, this performance-grade spark plug is built to deliver consistent results.

Product Features:

• Champion Iridium - Maximum Performance. Premium Spark Plug
• Iridium center electrode delivers maximum life
• Fine-wire center electrode and V-trimmed for greater ignitability
• V-trimmed ground electrode promotes sharper spark focus
• Maintains stable operating temperature under all engine loads
• Heat-Active alloy allows electrodes to reach optimal temperature quickly