20 Packs Genuine NGK 5921 BM6A Spark Plug (7421 BMR6A) Trimmer Edger Copper Core

20 Packs Genuine NGK 5921 BM6A Spark Plug (7421 BMR6A) Trimmer Edger Copper Core

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