NGK BKR5EIX Iridium IX Spark Plug

The NGK BKR5EIX Iridium IX spark plug delivers superior performance and extended service life for a wide range of automotive applications. Featuring a 0.6mm ultra-fine iridium center electrode, this spark plug provides improved ignitability and throttle response while reducing required voltage for reliable cold starts and smoother acceleration.

Key Features:

• Ultra-fine 0.6mm iridium center electrode for maximum performance and durability
• Tapered ground electrode reduces quenching for improved flame kernel growth
• Trivalent metal plating for superior anti-corrosion and anti-seizing properties
• Corrugated ribs prevent flashover and improve ignition system reliability
• High-grade alumina silicate ceramic insulator for superior strength and heat transfer
• Cold-rolled threads prevent cross-threading and damage to cylinder heads
• 14mm thread diameter with 5/8" hex size

The BKR5EIX offers exceptional wear resistance and can last up to 4 times longer than conventional copper spark plugs. The iridium construction allows for a smaller center electrode diameter, which requires less voltage to generate a spark while concentrating the spark energy for more complete combustion. This results in improved fuel efficiency, reduced emissions, and more consistent engine performance across a wide variety of driving conditions.