Champion 327
Champion Copper Plus Spark Plug, Center Electrode Core Material: Copper, Electrode Core Material: Nickel Copper, Electrode Tip Material: Copper, Gap Size: 0.037 to 0.043 in, Hex Size: 0.813 in, Reach Size: 1/2 in, Seat Type: Gasket, Thread Diameter: 0.551 in
- Copper-core center electrode
- Patented Ultraseal™ coated shell for maximum corrosion resistance
- Patented SAC-9 semiconductor resistor