Spark Plug 4345/4 Copper

Features:

• Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)


• Multi-rib insulator reduces danger of *flash-over*


• One-piece terminal post adds strength


• Resistor reduces radio frequency interference (RFI) and electrode erosion


• Cold-formed steel shell precision rolled threads


• Full copper core electrode provides better performance in all conditions


• Verify all cross reference listings before purchase