Autolite 25 Spark Plug - Each #AUTL25 2CP08500980300 Conical B-409 Cutter 2 Deg

Conical B-409 Cutter 2 Deg Per Side

16 TPI UN external threading insert

Synthetic hi-temperature gasket material

Male pilot diameter: 5/8"

Autolite 25 Spark Plug - Each #AUTL25 2CP08500980300 Conical B-409 Cutter 2 DegAutolite Copper Core spark plugs deliver quick starts, good fuel economy, and smooth acceleration. The copper glass seal bonds insulator and terminal post center electrode together to ensure full required voltage at spark gap, creating a gas tight seal that is 100 percent leak proof. Copper Core spark plugs feature a cold formed steel shell and precision rolled threads, and a one piece terminal post that adds strength. The multi rib insulator reduces