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NGK Laser Iridium Spark Plug LKAR8AI-9
Road: online only
No Road stock at our physical shop. We are a motocross specialist; Road products are available exclusively through our webshop.
In stock at our supplier. We dispatch this product within 2–5 working days.
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Source: Duell · 14-10-2026. Check the exact variant and application notes.
Manufacturer and product safety
Manufacturer
NGK SPARK PLUGS
Harkortstraße 41
40880 Ratingen
DE
https://www.ngkntk.com/de/kontakt/

Product description
The NGK LKAR8AI-9 Laser Iridium spark plug is a high-performance ignition component for sport and off-road motorcycles that demand reliability and long service intervals. Thanks to its Laser Iridium technology, this spark plug delivers a consistent spark even under heavy loads and extreme temperatures.
- Technology: Laser Iridium center electrode for maximum durability and a stable spark over long distances.
- Construction: Robust ceramic insulator and heat-resistant housing for reliable performance under extreme conditions.
- Ease of Installation: Drop-in replacement part; simple installation without modifications.
- Performance Benefits: Faster cold starts, better acceleration response, and consistent performance at high RPMs.
- Long Service Life: High-quality iridium electrode enables longer service intervals and less frequent replacements.
- Brand Quality: NGK Spark Plugs is renowned for reliable ignition technology and OEM-quality standards.
- Compatibility/Applications: Popular choice for high-performance KTM and Husqvarna models in the 450–501cc class, suitable for use in both enduro and motocross scenarios.
With the NGK LKAR8AI-9, you’ll enjoy a reliable spark, improved starting performance, and consistent combustion across all riding conditions. This spark plug combines long-lasting durability with excellent ignition precision, making your engine respond more efficiently and reducing the frequency of maintenance you need to perform. A smart choice for riders who seek confidence on every ride, whether it’s mountainous terrain, fast climbs, or long training sessions.
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