NGK Iridium Spark Plug Ifr9H11

IFR9H11 (6103579)

With the smallest tip diameter available, OE Iridium spark plugs provide superior ignitability and long service life. The iridium/platinum surfaces ensure a slow wear rate, providing stable idle and superior anti-fouling.



- 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
- OEM-approved design