NGK SILMAR8A9S Iridium Spark Plug (90992)

Description

NGK SILMAR8A9S Iridium Spark Plug (90992).

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