NGK (4717) PMR9B Laser Platinum Spark Plug, Pack of 1
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Designed to operate over a much wider heat range than ordinary plugs
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Resists carbon buildup and pre-ignition
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High alumina ceramics for better heat transfer and electrical insulation
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Solid copper core and nickel tipped electrode provide a longer plus life
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Patented triple gasket sealing process eliminates the possibility of combustion gas leakage
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Laser Platinum spark plugs provide high ignitability and longer service life
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Dual platinum surfaces ensure slow wear rate providing stable idle, superior anti fouling, improved fuel efficiency and lower emissions
- Laser welded Platinum center electrode tip creates faster starts and quicker acceleration while the platinum disc welded to backside of ground electrode provides long life
- Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
- Triple gasket seal eliminates combustion gas leakage
