| - | Features |
|---|---|
| #1 | Copper plus dependable performance |
| #2 | Copper core center electrode allows for accurate control of heat range for longer life |
| #3 | Patented tin tac and ultraseal coated shell for maximum corrosion resistance |
| #4 | Patented SAC-9 semiconductor resistor for maximum EMI and RFI suppression |
| #5 | Built to ISO and SAE standards for proven performance |