NGK Iridium Spark Plug for Honda CB350, CB350RS & H’ness 350

Enhance the performance of your Honda CB350 RS H’ness 350  bikes with genuine NGK Iridium IX Spark Plug. With E20 petrol becoming the new normal, upgrade to NGK Iridium for stronger ignition, improved combustion efficiency and reliable performance.

Iridium Spark Plug for Honda 350 series performance retro cruiser motorcycles is designed for better combustion and long service life, ensures smoother engine operation and improved throttle response.

Built for modern fuels. NGK Iridium spark plugs help your engine cope better with E20 petrol by promoting cleaner and more consistent combustion.

Ideal for daily riders and enthusiasts alike, NGK Iridium plugs offer superior ignitability, reduced misfires and more consistent performance compared to conventional spark plugs. Ideal replacement iridium spark plug for above mentioned Honda 350cc performance motorcycles.

Popular among Honda riders looking for a performance-oriented replacement spark plug with smoother acceleration and improved combustion. Suitable for Honda CB350 retro cruiser motorcycle models.

Optimized for Modern E20 Fuel

Stronger Spark • Cleaner Combustion • Smoother Performance • Longer Service Life

Using E20 petrol? Give your engine the advantage of NGK Iridium technology. Its high-energy spark helps maintain efficient combustion and smoother throttle response, making it an ideal upgrade for today’s ethanol-blended fuels. E20 petrol fuel demands efficient combustion—NGK Iridium delivers faster ignition, smoother throttle response and long-lasting reliability.

Compatible Models

• Honda CB350, CB350RS
• Honda H’ness 350

Frequently Asked Questions

Can I use NGK Iridium spark plugs with E20 ethanol-blended petrol?

Yes. As E20 ethanol-blended fuel becomes more common, maintaining efficient combustion is increasingly important. NGK Iridium spark plugs produce a stronger and more consistent spark, helping promote cleaner combustion, smoother performance and reliable ignition with modern E20-compatible engines.

How often should I replace NGK Iridium spark plugs?

Typically every 40,000–80,000 km depending on riding conditions and manufacturer recommendations.

Will an iridium spark plug increase mileage?

It helps maintain efficient combustion and smoother running, which may improve fuel efficiency compared to worn plugs.

Will it fit my motorcycle?

Please refer to the compatibility list or contact us on WhatsApp for assistance.

Are these genuine NGK spark plugs?

Yes, we supply genuine products sourced through trusted channels.

Spark Plug Configuration

Side Plug

• Iridium IX plug
• Quantity: 1

Features

• Genuine NGK Iridium IX spark plug
• Faster ignition
• Improved throttle response
• Better fuel economy
• Smooth idle and acceleration
• Long service life
• Reduced misfires
• Workshop-tested fitment

Package Includes :

• 1 × NGK IX Side Spark Plug

Total Quantity: 1 Spark Plug

Why Upgrade to NGK Iridium?

Iridium Spark Plug for Honda 350cc CB single cylinder models feature an ultra-fine iridium centre electrode that provides a stronger spark, improved combustion and consistent engine performance. Their superior durability and resistance to wear make them ideal for riders seeking reliability and long replacement intervals.

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🔧 Workshop-Tested Fitment

Every spark plug supplied by Top Gear Automotives is verified for compatibility and tested through real-world workshop experience. Need help with fitment? Contact us on WhatsApp before ordering.

🔧 Installation Support in Port Blair

Also available for same-day professional installation at our workshop in Aberdeen Bazaar, Port Blair, Sri Vijaya Puram, Andaman & Nicobar Islands. Bring your motorcycle or scooter and get it fitted by our technicians without waiting for delivery.

Visit our workshop in Port Blair:

• ✔ Quick installation
• ✔ Function testing

👉 Takes just a few minutes to install. Book installation service now >>

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