Description
NGK SILFR6A11 Laser Iridium spark plugs fit Subaru Forester (2008-2013), Exiga (2008-2013), and Legacy (2009-2015) with EJ20/EJ25 engines. They feature a 0.6mm iridium center electrode and platinum ground tip for stable ignition, reducing misfires by up to 30% and improving fuel efficiency by 3-5%. Heat range 6 suits daily driving in Kenya’s variable climates, lasting 100,000 km. TUV-certified, they suppress radio noise with a 5kΩ resistor and are pre-gapped at 1.1mm for easy installation.
NGK SILFR6A11 spark plug Key Features
- 0.6mm iridium electrode ensures fine spark for efficient combustion.
- Platinum-tipped ground electrode resists wear in high-heat conditions.
- Laser-welded iridium alloy promotes longevity up to 100,000 km.
- Corrugated ribs prevent flashover for reliable starts.
- Trivalent metal plating offers anti-corrosion protection.
- Fixed SAE connector simplifies wiring in overhead cam engines.
Technical Data Table
| Specification | Value | Notes/Source |
|---|---|---|
| Thread Diameter | 14mm | Standard M14 for EJ20/EJ25 engines |
| Thread Reach | 26.5mm | Long-reach for deep insertion |
| Hex Size | 16mm | Wrench-friendly for torque |
| Heat Range | 6 | Medium for balanced performance |
| Electrode Gap | 1.1mm | Factory pre-set for optimal spark |
| Resistor | Yes (5kΩ) | Reduces electromagnetic interference |
| Center Electrode | Iridium (0.6mm) | Fine-wire for 100,000 km life |
| Ground Electrode | Platinum | Tipped for wear resistance |
| Certifications | TUV | Meets global safety standards |
| Compatibility | Subaru Forester 2008-2013, Exiga 2008-2013, Legacy 2009-2015 |
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