The NGK Iridium IX Spark Plug BKR5EIX-11 (5464) is a premium high-performance ignition component designed for reliable starting, improved fuel efficiency, and strong ignition stability. Featuring a fine 0.6 mm iridium center electrode, it delivers consistent spark performance with reduced voltage demand, making it ideal for modern engines requiring efficient combustion and smooth operation.
Built with NGK’s advanced Iridium IX technology, this spark plug uses a durable iridium alloy that withstands extreme heat and wear, ensuring long service life and stable ignition even under demanding driving conditions. The tapered ground electrode design improves flame propagation, resulting in better throttle response, reduced misfires, and improved combustion efficiency.
Designed as a direct OEM replacement, the BKR5EIX-11 (5464) is widely used in a range of automotive applications where reliability and performance are essential. Its resistor design helps reduce electrical interference, ensuring smooth engine operation and consistent ignition performance over time.
Key Features
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OEM Replacement Fit: Direct-fit design for compatible vehicles.
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Enhanced Ignition Stability: Reduces misfires and improves cold starting.
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Tapered Ground Electrode: Improves flame spread and throttle response.
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Resistor Design (5kΩ): Reduces ignition noise and electrical interference.
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Iridium IX Technology: High melting point material for long-lasting performance.
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Improved Fuel Efficiency: Supports cleaner combustion and optimized fuel burn.
- Iridium 0.6mm Fine Wire Electrode: Ensures strong, consistent spark with low voltage demand.
Specifications
- Brand: NGK
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Hex Size: 16 mm
- Stock Number: 5464
- Thread Reach: 19 mm
- Thread Size: M14 x 1.25
- Part Number: BKR5EIX-11
- Type: Iridium IX Spark Plug