Description
NGK BKR6EIX-11 (4272) Iridium IX Spark Plug
Upgrade your ignition system with the NGK BKR6EIX-11 (4272) Iridium IX Spark Plug, engineered to deliver exceptional performance, improved fuel efficiency, and long service life. Featuring a 0.6 mm laser-welded iridium centre electrode, this premium spark plug requires less voltage to fire, producing a stronger, more consistent spark for improved combustion.
Ideal for stock and mildly modified engines, the BKR6EIX-11 provides smoother idle quality, faster cold starts, sharper throttle response, and excellent resistance to fouling. Whether you’re servicing your daily driver or maintaining a performance vehicle, NGK Iridium IX spark plugs offer OEM reliability with enhanced performance.
Features
- Genuine NGK Iridium IX Spark Plug
- NGK Part Number: BKR6EIX-11
- NGK Stock Number: 4272
- Fine-wire 0.6 mm iridium centre electrode
- Improved ignition performance and combustion efficiency
- Excellent cold starting and smoother idle
- Longer service life than conventional nickel plugs
- Superior resistance to wear and fouling
- Factory heat range 6
- Pre-gapped to approximately 1.1 mm (0.044″) (always verify gap before installation)
Common Vehicle Applications
Ford
- AU Falcon 4.0L (selected models)
- BA Falcon 4.0L Barra
- BA Falcon XR6 Turbo
- BF Falcon 4.0L Barra
- BF Falcon XR6 Turbo
- FG Falcon 4.0L Barra
- FG Falcon XR6 Turbo
- FGX Falcon 4.0L Barra
- FGX Falcon XR6 Turbo
- FPV F6 Typhoon, Tornado & F6E
- Ford Territory Barra petrol models
Nissan
- Skyline RB20DET
- Skyline RB25DET
- Skyline RB26DETT
- Silvia S14 & S15 SR20DET
- 350Z VQ35DE
- Patrol TB45E & TB48E
Toyota
- Supra 2JZ-GE
- Supra 2JZ-GTE
- Chaser / Soarer / Mark II 1JZ-GTE
- Altezza IS200
- LandCruiser 1FZ-FE
Subaru
- WRX (selected EJ20 & EJ25)
- Liberty GT
- Forester XT
Mitsubishi
- Lancer Evolution IV–IX
- Magna & Verada V6 (selected models)
- Mitsubishi 380 V6
Honda
- Civic Type R (selected models)
- Integra Type R
- Accord Euro K24
- CR-V K-Series
Mazda
- Mazda 6 MPS
- MX-5 NB & NC (selected models)
Vehicle compatibility may vary by year, engine code, and market. Please confirm suitability before ordering.
Why Choose NGK Iridium IX?
NGK is the world’s leading spark plug manufacturer and the original equipment supplier for many vehicle manufacturers. The Iridium IX range combines OEM quality with enhanced performance, making it the ideal choice for enthusiasts and everyday drivers alike.










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