Legends FZ09 Autolite Spark Plug

One-Piece terminal stud provides a reliable high voltage electrical connection. High alumina multi-rib insulator helps prevent flash-over which can lead to misfires. Heat-fused glass composite resistor center seal provides high performance EMI noise suppression and a 100 percent leak-proof seal.

Solid copper core center electrode provides optimal thermal and electrical conductivity for better performance in all driving conditions. High nickel alloy side electrode resists electrical and chemical wear providing excellent durability.