NGK 92564 Spark Plug

NGK Iridium IX Spark Plug for Performance Ignition

NGK Iridium IX Spark Plug 92564 is built for drivers who want precise ignition response, stable idle quality, and durable service in modern engines. This Iridium IX plug uses a fine-wire iridium center electrode and a tapered cut ground electrode to support quicker starts, cleaner combustion, and sharper throttle response.

Compatible With 2009 Hyundai Genesis, 2009-2011 Kia Borrego, and 2011 Hyundai Elantra, this NGK spark plug is a direct-fit ignition service part for select Hyundai and Kia applications. The 92564 part number is also listed as LKR6EIX-11.

Key Features

• Iridium fine-wire center electrode for durable ignition performance
• Taper cut ground electrode for improved starting, idling, and throttle response
• Performance-grade spark plug with resistor design
• Pre-gapped at 0.044 in. / 1.1 mm
• Flat seat, M12 x 1.25 thread, 5/8 in. hex
• Nickel ground electrode with copper core center electrode
• Ceramic insulator and single-iridium metallurgy
• NGK part number 92564, service number LKR6EIX-11

Product Details

NGK’s Iridium IX line is aimed at performance-focused ignition service where consistent spark quality matters. The iridium center electrode is engineered for long-term durability, while the tapered ground electrode helps promote efficient flame initiation. With a 6 heat range, 1.043 in. reach, and non-removable nut terminal, this plug is specified for select Hyundai Genesis, Hyundai Elantra, and Kia Borrego engine applications that call for LKR6EIX-11.

This part cross-references NGK 92564 for the same application.

Common Issues This Part Can Address

• Hard starting caused by worn or inefficient spark plugs
• Rough idle from inconsistent ignition performance
• Slower throttle response during acceleration
• Reduced fuel economy from degraded spark quality
• Misfire symptoms related to plug wear or fouling

Installation Notes and Tips

Verify the engine calls for NGK LKR6EIX-11 before installation. Confirm the pre-gap specification of 0.044 in. / 1.1 mm against the vehicle service information, and inspect coil boots, plug wells, and threads before fitting the new plug. Use the correct torque procedure for the flat-seat design to help protect the cylinder head and maintain proper sealing.

Quality Assurance

NGK is a recognized ignition component manufacturer, and the Iridium IX design uses iridium metallurgy selected for high-temperature durability in modern engines. The tapered electrode profile and fine-wire center electrode reflect NGK’s performance-oriented spark plug construction for select Hyundai and Kia applications.