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. BMW 1976-64; DOD/EAG/PLY 1994-71; JAG 1979-71; LND RVR 1999-94; MAZ 1987-70; M-BENZ 1974-63; MITS 1999-90; NIS 1988-70; SUBARU 1980-71; TOYOTA 1974-64; VW/AUDI 1993-68; VOLVO 1993-76, POWERSPORTS - VARIOUS

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

The NGK IX Iridium Spark Plug (Part Number BPR6EIX) is engineered for high-performance automotive applications, providing enthusiasts with outstanding acceleration, improved fuel efficiency, and exceptional durability. Designed with a fine iridium tip, this spark plug ensures a consistent and reliable spark, enhancing engine responsiveness across a variety of vehicles. Its tapered cut ground electrode contributes to smoother starting, better idling, and faster throttle response, making it an ideal upgrade from standard nickel alloy plugs. Constructed with iridium alloy, the center electrode is six times harder than platinum, offering increased longevity and resistance to wear even under high-temperature conditions. The trivalent metal plating adds superior anti-corrosion and anti-seizing properties, ensuring the longevity of the spark plug during demanding driving conditions. These plugs are recommended for modified or high-performance engines, or as an upgrade for vehicles equipped with OE nickel alloy plugs, making them suitable for a broad range of vehicles including Mercedes-Benz, BMW, Toyota, Subaru, VW/Audi, Volvo, and various power sports models. Their design and materials are optimized for consistent ignition, contributing to better engine performance and efficiency. Each box contains four spark plugs, ensuring you have enough for comprehensive maintenance or upgrade. Whether you’re tuning for performance or seeking a durable replacement, NGK IX Iridium Spark Plugs deliver reliable, high-quality ignition with proven compatibility across numerous vehicle makes and models, including classic Mercedes-Benz 250 and 300SEL series, as well as modern models from other leading manufacturers. For even greater performance, consider upgrading to NGK Ruthenium HX plugs, designed for advanced performance applications.

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