Champion 979-1 Spark Plug

Spark Plug

Conventional spark plug with nickel alloy electrodes. Copper core center electrode allows for increased conductivity and heat control. RDZ4HConventional spark plug with nickel alloy electrodesCopper core center electrode allows for increased conductivity and heat controlPlug Specifications:Thread size: 10mmHex size: 5/8 (16mm)Reach: 12.7mm (1/2)Seat type: TaperedGap: 0.024 (0.61mm)Heat range: 4Terminal type: SolidResistor: YesCenter Electrode:Type: StandardMaterial: Nickel Projection: Projected Core Nose Ground Electrode:Type: J-Gap Material: Nickel.