Stock #
BM7A
NGK Nickel Spark Plug (6521 BM7A)
Overview
NGK 6521 BM7A Nickel Spark Plug
NGK standard plugs are constructed for longer life and optimum performance.
- Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
- Corrugated ribs prevent flashover
- Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
- Copper core aids in heat removal
- Triple seals prevent leakage
Specifications