NGK Spark Plugs (NGK Spark Plugs) Iridium RX DCPR7ERX-P (Set of 4) Punch-Crimped Spark Plugs (Stock No. 97620)

This spark plug delivers all the performance you need! [No. 1] Excellent combustion power improves fuel economy! [No. 2] Reduces fuel consumption even when idling! [No. 3] Smooth starts even in low temperatures! [No. 4] Premium driving experience without stress! [No. 5] Long-life plug with sustained high performance! [No. 6] Resistant to smoldering and maintains high ignition performance! [No. 7] Improves fuel economy and reduces CO2 emissions! <Heat value> 7