U-Groove Spark Plug Header Plug; 14mm Thread; Shorty Plug For Headers; .750 in. Reach; Champion RC12/RC13/RC14 Heat Ranges; 4 Pack;
- Header-Box
- U-Groove Ground Electrode
- Five-Rib Aluminum Insulator
- Copper Core Nickel/Chrome Steel
- Electric Heat Seal
- Copper-Glass Gas-Tight Seal
- Less Flame Dissipation