NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug. NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. BUICK 1987-82; CHEV 1988-61; DODGE 1971-64; FORD 1981-71; GEO 1989; GMC 1985-68; INTL 1974-72; PLYMOUTH 1971-63; PONT 1994-82

RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
Trivalent metal plating for superior anti-corrosion and anti-seizing properties
Outstanding acceleration, high fuel efficiency and durability
Fine iridium tip ensures durable and consistent spark

Designed for automotive enthusiasts and high-performance applications, the NGK Iridium IX Spark Plugs (Part Number 7214) deliver exceptional ignition performance, fuel efficiency, and durability. Featuring a fine iridium tip, these plugs ensure a durable and consistent spark, which translates into improved acceleration, better throttle response, and smoother idling. The tapered cut ground electrode enhances starting reliability and reduces fouling, making these plugs ideal for modified engines or vehicles requiring a performance upgrade. With trivalent metal plating, they offer superior anti-corrosion and anti-seizing properties, extending the lifespan of each plug. The iridium alloy's extremely high melting point ensures compatibility with today’s demanding engine environments, providing long-lasting performance even under extreme conditions. These plugs are recommended for use in a variety of classic and modern vehicles, including several Chevrolet, Ford, Dodge, GMC, Pontiac, and Plymouth models from the 1960s through the 1990s. Whether upgrading from stock nickel alloy plugs or installing in a high-performance build, NGK Iridium IX plugs offer outstanding ignition and efficiency benefits. Each package contains four spark plugs, ensuring ample supply for complete engine servicing or multiple vehicle applications. Proper installation of these plugs can lead to noticeable improvements in engine responsiveness and overall driving experience, making them a valuable addition for serious drivers and automotive enthusiasts alike.

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