**STOCK HEAT RANGE SPARK PLUGS FOR MAZDASPEED MZR DISI MOTOR, SOLD INDIVIDUALLY
Laser Iridium® spark plugs provide superior ignitability and long service life. Smallest tip diameter available Iridium / Platinum surfaces ensure slow wear rate providing stable idle, superior anti fouling, improved fuel efficiency and lower emissions
- Laser welded Iridium center electrode tip
- Platinum disc welded to backside of ground electrode provides long life
- Trivalent Metal Plating for superior anti-corrosion and anti-seizing
- Faster starts and quicker acceleration
- Better fuel economy and lower emissions
- Best OEM Iridium spark plug available
- Original Equipment Manufacturer approved design
NGK Limited Warranty