Autolite 45 Copper Resistor Spark Plug #AUTL45 4829118 En-Wall significantly reduces wall vibration

En-Wall significantly reduces wall vibration

9 TPI BSW internal pitch threading insert

4 4G64 2001-2005 (Front)

Center-hung-float

Autolite 45 Copper Resistor Spark Plug #AUTL45 4829118 En-Wall significantly reduces wall vibrationAutolite 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