ACDelco GM Original Equipment R44LTSM Conventional Spark Plug
- One-piece, fired-in suppressor seal blends three glass types for a gas-tight seal that helps reduce radio frequency and engine interference, regulate....
- Double platinum point pad on center and ground electrode offer excellent durability and consistent voltage demands to help reduce wear on ignition....
- Pure copper core results in cooler electrode temperature for maximized durability and fouling resistance.
- Some ACDelco GM Original Equipment parts may have formerly appeared as ACDelco Professional.