NGK Iridium Upgraded Spark Plug Set – Fiesta ST Mk8 | Puma ST | Focus 1.5 | Kuga
NGK Iridium Upgraded Spark Plug Set – Ford 1.5 EcoBoost
Upgrade your ignition performance with NGK Iridium Spark Plugs, designed for reliable combustion, consistent power delivery and improved ignition performance in Ford's 1.5 EcoBoost engines.
Whether you're running a standard vehicle or a performance-tuned setup, maintaining a strong, reliable ignition system is essential. These upgraded NGK Iridium spark plugs are particularly suited to higher-performance applications where increased boost pressure and engine loads place greater demands on the ignition system.
Featuring a fine-wire iridium centre electrode, NGK spark plugs provide excellent ignitability, durability and consistent spark performance, helping your engine perform reliably under demanding conditions.
Key Features & Benefits
Upgraded Iridium Technology: Fine-wire iridium electrode technology delivers consistent ignition performance and excellent durability.
Ideal for Remapped & Tuned Engines: Well suited to performance applications with increased boost pressure and higher combustion demands.
Consistent Power Delivery: Helps maintain reliable combustion during acceleration and under engine load.
Improved Ignition Reliability: Designed to help reduce ignition-related performance issues associated with worn or unsuitable spark plugs.
Excellent Heat Resistance: High-quality iridium construction offers durability under demanding engine operating conditions.
Quality NGK Engineering: Manufactured by NGK, a globally recognised ignition component specialist.
Vehicle Compatibility
Suitable for the following Ford 1.5 EcoBoost petrol engines:
Ford Fiesta ST Mk8 / Mk8.5 – 1.5 EcoBoost, 3-cylinder
Ford Puma ST – 1.5 EcoBoost, 3-cylinder
Ford Focus Mk4 – 1.5 EcoBoost, 3-cylinder (150PS / 180PS)
Ford Kuga Mk3 – 1.5 EcoBoost, 3-cylinder (150PS)
Ideal for Performance Tuning
As engine performance increases through ECU remapping, turbocharger upgrades and other modifications, the ignition system must continue to operate reliably under increased combustion pressures.
NGK upgraded Iridium spark plugs are an excellent choice for performance-focused EcoBoost builds, helping maintain consistent ignition performance when your engine is working harder.
Why Choose OC Motorsport?
At OC Motorsport, we specialise in Ford EcoBoost servicing, performance upgrades and ECU remapping. Our experience with road cars and track-focused builds means we understand the importance of selecting the correct ignition components for your engine and tuning requirements.
Whether you're maintaining your standard EcoBoost or upgrading your vehicle with our Peak Performance Remapping solutions, we can help you choose the right components for dependable performance.
Package Contents: Complete set of 3 NGK Iridium spark plugs.
Important: Compatibility is engine-specific. Please confirm your engine variant and the required spark plug specification before ordering. This product is not intended for every Ford 1.5 EcoBoost engine.


