Champion Iridium 9405 (RS12WMPB4) Pack of 1 (UPC 037551010196) for 1987 - 2020 Chevrolet Silverado 1500

Product description

• 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