Autolite Copper Core Spark Plug

Guaranteed to deliver quick starts, good fuel economy and smooth acceleration. Autolite® Copper Core plugs are your industry standard.


Technology:

• Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)
• Multi-rib insulator reduces danger of "flash-over"
• One-piece terminal post adds strength
• Resistor reduces radio frequency interference (RFI) and electrode erosion
• Cold-formed steel shell precision rolled threads
• Full copper core electrode provides better performance in all conditions

*Instructions: Autolite highly recommends that you consult with your vehicle’s owner’s manual for any specific instructions for changing the spark plugs. Engines can vary widely by make and model.