These are the common "6" Heat Range spark plugs used for the Honda B, D, & H Series Motors

These are the common "7" Heat Range spark plugs used for the Honda B, D, & H Series Motors

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

These are the common "8" Heat Range spark plugs used for the Honda B, D, & H Series Motors

These are the common "9" Heat Range spark plugs used for the Honda B, D, & H Series Motors

These are NGK "6" Heat Range Iridium Spark Plugs and the price is for a set of (4).

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).

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