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NGK Iridium IX Spark Plugs (8) for 1999-2004 Sierra 2500 6.0 | 2 Steps Colder

by NGK
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SKU NGK-TR7IX-8P-SIE25009904-60


Qty: 8 plugs 

-Fine Iridium tip ensures high durability and a consistently stable spark

-Iridium alloy has extremely high melting point, perfect for today’s high-tech, high-performance engines
-Trivalent Metal Plating - superior anti-corrosion and anti-seizing properties
-Outstanding acceleration, high fuel efficiency and durability
-Ultimate design, technology and performance.