Description
Since 1936, Autolite has been a trusted leader and innovator in spark plug technology. You can count on our copper plugs for performance and value, backed by decades of experience and passion.
Features
- Copper-glass seal bonds insulator, terminal post, and center electrode together to provide a tight seal that is 100 percent leak-proof
- Cold-formed steel shell and precision rolled threads, with one-piece terminal post to add strength
- Multi-rib insulator reduces danger of "flash-over"
- Resistor reduces radio frequency interference (RFI) and electrode erosion
- Full copper core electrode provides better performance in all conditions