NGK SILKGR9A7EG / 91731 Iridium Spark Plug Fits Porsche 06M905606D 98790560600
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The Green Spark Plug Company
NGK SILKGR9A7EG / 91731 Iridium Spark Plug Fits Porsche 06M905606D / 98790560600With 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
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The Green Spark Plug Company
NGK SILKGR9A7EG / 91731 Iridium Spark Plug Fits Porsche 06M905606D / 98790560600With 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
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NGK SILKGR9A7EG / 91731 Iridium Spark Plug Fits Porsche 06M905606D / 98790560600With 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
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