NGK ZFR6FIX-11 Iridium IX Spark Plug with 14mm Thread and Gasket Seat

The NGK ZFR6FIX-11 Iridium IX spark plug is engineered for reliable ignition performance and durability. Featuring a 14 mm thread and a reach of approximately 0.749 inches, this spark plug is designed for optimal fitment in compatible engines. Its resistor design helps reduce radio frequency interference, ensuring smooth electronic operation within your vehicle's ignition system. Constructed with high-quality iridium, it offers excellent longevity and consistent spark performance, making it suitable for demanding driving conditions. This spark plug is a direct replacement for stock number 6441 and fits a variety of gasoline engines requiring a gasket seat configuration. The NGK ZFR6FIX-11 provides enhanced ignitability and efficient combustion, contributing to improved engine efficiency and power output. Designed with precision and manufactured to meet strict quality standards, it ensures dependable performance over extended service intervals.

Features:

• Iridium IX technology for enhanced durability and ignitability

• 14 mm thread size with 0.749 inch reach for precise fit

• Gasket seat for secure sealing and proper combustion chamber fit

• Resistor design to minimize radio frequency interference

• Compatible with engines requiring stock number 6441