Denso U-Groove Spark Plug For Yamaha YFA 1 1994-2004

The Denso U-Groove Spark Plug For Yamaha YFA 1 1994-2004 is part of the latest collection from Denso.Features: 100 percent pre-fired to ensure reliable operation Copper core center electrode for superior thermal conductivity Unique five-rib insulator reduces flashover and decreases voltage loss Dual copper and glass seal bonds the center electrode and insulator together for a gas-tight seal. Original Equipment in automotive applications Specifications: Center Electrode Projection: Non-Projected Center Electrode Type: Standard Electrode Tip Material: Nickel Alloy Ground Elec