NGK TR55IX Iridium IX Spark Plug with 14mm Thread and Tapered Seat

The NGK TR55IX Iridium IX spark plug is engineered for high-performance ignition in a variety of gasoline engines. Featuring a 14 mm thread diameter and a reach of approximately 0.689 inches, this spark plug provides reliable spark delivery and efficient combustion. Its tapered seat design ensures a secure fit in compatible engine cylinders, contributing to optimal engine performance and fuel efficiency. The resistor feature helps reduce electrical noise, ensuring smooth operation of electronic components within your vehicle. Constructed with durable iridium material, the TR55IX offers exceptional longevity and resistance to wear, making it a suitable choice for demanding driving conditions and extended service intervals. This spark plug is an ideal replacement for engines requiring a stock number 7164, providing consistent ignition performance and improved engine responsiveness.

Features:

• Iridium IX tip for long-lasting durability and high ignitability

• 14 mm thread size for compatible fitment with various engines

• Tapered seat design for secure installation and sealing

• Resistor feature to reduce electrical noise interference

• Approximate reach of 0.689 inches for optimal combustion chamber fit