NGK LKAR8AI-9 Iridium Spark Plug – KTM Duke 390 Gen 3

Upgrade your KTM Duke 390 Gen 3's ignition with the NGK LKAR8AI-9 Iridium spark plug — engineered for high-performance engines that demand precision, reliability, and longevity. Feel the difference from the first twist of the throttle.

⚠️ Compatibility Note: This spark plug is NOT compatible with Duke 250 Gen 3 or BS7 models. Please verify your model before ordering.

Key Features

• Fine Iridium Tip – Extremely high melting point ensures consistent spark and outstanding durability in high-temperature engines
• Superior Throttle Response – High ignitability delivers sharper acceleration and improved engine performance
• Better Fuel Efficiency – Optimized combustion reduces fuel consumption on every ride
• Anti-Fouling Design – Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
• OEM-Grade Fitment – Direct replacement for KTM Duke/RC models (Gen 3)

Specifications

• Brand: NGK
• Type: Iridium
• Part No.: LKAR8AI-9
• Compatible Models: KTM Duke 390 Gen 3 / RC models
• SKU: SRP1136
• Included: 1 × Spark Plug

Not sure if this fits your bike? Watch our fitment video before placing your order.