NGK is a globally recognised leader in ignition technology, producing premium spark plugs engineered for reliability, efficiency and long service life. Trusted by OEM manufacturers and performance specialists, NGK plugs deliver consistent ignition under demanding conditions.

NGK Iridium IX Spark Plug CR8EIX

The NGK CR8EIX is part of the high-performance Iridium IX range, designed to provide enhanced ignitability, improved throttle response and extended durability. Its fine-wire iridium centre electrode produces a strong, stable spark for efficient combustion and reliable engine performance.

Technical Specifications

• Thread Size: 10mm
• Thread Pitch: 1.0mm
• Hex Size: 16mm (5/8")
• Reach: 19mm (3/4")
• Heat Range: 8

Featuring an internal resistor to help suppress electrical interference and NGK’s advanced iridium electrode technology, the CR8EIX provides improved ignition efficiency and longer service life compared to conventional spark plugs.

Key Features & Benefits

• Genuine NGK Iridium IX spark plug
• Fine-wire iridium centre electrode for superior ignitability
• Resistor type to reduce electrical interference
• Heat range 8 for correct thermal performance in specified applications
• 10mm thread with 19mm reach (long reach design)
• Improved throttle response and combustion efficiency
• Extended service life compared to standard plugs