Ngage Double Iridium Spark Plug #VH8RTII-9

Ignite the true performance of your KTM Duke or RC series with the Ngage Double Iridium Spark Plug (VH8RTII-9) — engineered for superior ignition, consistent power delivery, and long-term durability. Whether you’re tearing up the streets or exploring trails, Ngage plugs deliver maximum efficiency and smoother engine response every time you twist the throttle.

Designed for KTM Performance

The VH8RTII-9 spark plug is specially developed for high-compression engines like KTM Duke and RC models. Its Double Iridium electrode design ensures a stable spark, resulting in improved fuel combustion, better acceleration, and reduced engine vibration — perfect for daily rides and spirited touring.

Compatible KTM Models

• KTM Duke 200

• KTM Duke 390

• KTM RC 200

• KTM RC 390

• KTM Adventure 250

• KTM Adventure 390

(Fits both BS4 & BS6 variants)

Performance Highlights

• ⚡ Quicker starts and sharper throttle response

• 🔥 Double Iridium tips for stable combustion and long life

• 🏍️ Enhanced power output and smoother performance

• ⛽ Improved mileage with complete fuel burn

• 🧭 2x longer lifespan compared to standard plugs

• 🧩 Perfect fit for KTM’s high-performance engines

⚙️ Product Features

• Brand: Ngage

• Part Number: VH8RTII-9

• Type: Double Iridium Spark Plug

• Fitment: KTM Duke & RC Series

• Material: Iridium center & ground electrodes

• Performance: High spark stability and fuel efficiency

• Durability: Long-lasting and corrosion-resistant

• Installation: Direct OEM-fit replacement

• Compatibility: KTM Duke 200, Duke 390, RC 200, RC 390, Adventure 250, Adventure 390