Xenocron M&W Pro 10 Ignition Kit - includes ignition box and custom wire harness. We

These are NGK "9" Heat Range Iridium Spark Plugs and the price is for a set of (4).

The are NGK "7" Heat Range Resistor plugs. These are different than the other NON Resistor

These are NGK "7" Heat Range Iridium Spark Plugs and the price is for a set of (4).

These are NGK "8" Heat Range Iridium Spark Plugs and the price is for a set of (4).