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.
CADILLAC CTS 2014, XTS 2014, (COLDER HEAT RANGE THAN OE) LTR5IX-11 (STOCK #4344)
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 high-performance drivers, the NGK Iridium IX Spark Plugs (Part Number 6510) deliver exceptional acceleration, improved fuel efficiency, and long-lasting durability. Engineered with a fine iridium tip, these plugs provide a consistent and reliable spark, enhancing engine responsiveness and throttle performance. The tapered cut ground electrode improves starting and idling, making your vehicle run smoother and more efficiently. With a higher melting point due to iridium alloy construction, these plugs are ideal for modern engines demanding superior heat resistance. The trivalent metal plating offers excellent anti-corrosion and anti-seize properties, ensuring easier installation and longer service life. Suitable for modified or high-performance applications, NGK Iridium IX plugs are an upgrade over standard nickel alloy options, especially in performance-oriented vehicles. These plugs are recommended for 2014-2015 Cadillac CTS and XTS models, with a colder heat range than original equipment to maximize performance without risking pre-ignition or fouling. Their robust design and advanced materials make them a top choice for enthusiasts seeking improved engine response and efficiency.
Features:
Optimized for high-performance applications and vehicle upgrades
Iridium fine wire center electrode for enhanced durability and consistent sparks
Tapered cut ground electrode for better starting, idling, and throttle response
Trivalent metal plating provides superior corrosion and anti-seizing benefits
Colder heat range than OEM, suitable for modified engines
