Autolite 45 Copper Resistor Spark Plug #AUTL45 L2120175 Holds 4-F-N and 4-F-T Blades

Holds 4-F-N and 4-F-T Blades

Clogged or dirty air filters can reduce your vehicle’s acceleration by up to 10%

Dissolves & removes metal rust and contamination

high performance

5mm 48-16TPI

Autolite 45 Copper Resistor Spark Plug #AUTL45 L2120175 Holds 4-F-N and 4-F-T BladesAutolite 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