IRIDIUM SPARK PLUGS-2-PAC

The Champion 9404-2 is a 2-pack of iridium spark plugs designed for long life and erosion resistance. It features a 0.7mm fine wire iridium-tipped center electrode and a platinum v-trimmed ground electrode. The heat-active alloy construction helps the plugs reach and maintain optimal operating temperatures.

These spark plugs have a tapered seat, 14mm thread diameter, and 1.25mm thread pitch. The center electrode is projected with a fine wire type, while the ground electrode is platinum with a taper cut. They are a solid terminal type with a standard gap of 0.049 inches and a heat range of 14. The plugs are also noted to have a 7-year warranty and an estimated longevity of 100,000 miles.