
For extended low RPM riding, cures fouling in these conditions.
-Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
-Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
-Triple seals prevent leakage
-Corrugated ribs prevent flashover
-Copper core aids in heat removal
Two required, sold each.
Beta 300RR Race (24-)|250RR Race (25-) Optional Spark Plug
Produced by NGK of Japan