Copper Spark Plugs.
AutoLite Copper Resistor 66 Spark Plugs (4 Pack)
AutoLite Copper Resistor 46 Spark Plugs (4 Pack)
AutoLite Iridium XP5143 Spark Plugs (4 Pack)
AutoLite Platinum AP3922 Spark Plugs (4 Pack)
AutoLite Spark-Plug Socket Set 3pc 5/8'' 3/4'' 13/16'' Great Quality
AutoLite Iridium Ultra AI5702 Spark Plugs (4 Pack)
