What makes these NGK spark plugs different from standard ones?

These NGK Ruthenium HX plugs use a special Ruthenium alloy in the center electrode, which is more durable and offers higher ignitability than standard platinum or iridium plugs. This advanced tip technology helps ensure a more complete fuel burn.

What is the benefit of the fine wire electrodes?

The fine wire design of both the center (0.4mm Ruthenium) and ground (0.8mm platinum) electrodes helps concentrate the spark energy. This leads to a more reliable ignition across a wider range of air-fuel mixtures, improving throttle response and idle smoothness.

Do these spark plugs come with anti-seize pre-applied?

While these spark plugs feature trivalent metal plating for superior anti-corrosion and anti-seizing properties, it is always recommended to refer to the manufacturer's installation instructions for specific application of anti-seize compound.

NGK Spark Plug FR6BHX-S Box of 4

Name: NGK Ruthenium HX Spark Plug Box of 4 (FR6BHX-S)
Brand: NGK
Price: 11.96 USD
Availability: InStock

NGK Ruthenium HX Spark Plug Box of 4 (FR6BHX-S)

$11.96

In Stock

NGK Ruthenium HX Spark Plug Box of 4 (FR6BHX-S). Features advanced Ruthenium alloy for improved performance and life.

Key Features

Fits a wide range of Audi, BMW, Chevrolet, Dodge, and Mercedes-Benz vehicles.
Features a 0.4mm Ruthenium alloy fine wire center electrode and a 0.8mm platinum fine wire ground electrode for improved ignitability.
Pure alumina silicate ceramic insulator offers superior strength and better heat transfer.
Trivalent metal plating provides excellent resistance to corrosion and seizing.
Corrugated ribs on the insulator help prevent flashover.
Copper core aids in heat removal from the combustion chamber.

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Will this fit your vehicle?

Product Details

These NGK Ruthenium HX spark plugs are designed for newer engines that need a strong spark to ignite the fuel mixture efficiently. They feature a unique Ruthenium alloy center electrode and a platinum ground electrode, which work together to promote a more complete burn. This can lead to a quicker throttle response, a smoother idle, and better performance when starting in cold weather. The corrugated ribs on the insulator help prevent spark flashover, ensuring a consistent spark.

NGK built these plugs with a fine wire center electrode, measuring 0.4mm, and a 0.8mm platinum fine wire ground electrode. This design helps concentrate the spark energy, allowing them to ignite a wider range of air-fuel mixtures, whether the engine is running rich or lean. The ceramic insulator is made from pure alumina silicate, which offers solid strength and helps transfer heat away from the plug. For easier installation and to prevent corrosion and seizing, the metal plating on the plug is a trivalent type.

These plugs fit a wide range of vehicles from brands like Audi, BMW, Chevrolet, Dodge, and Mercedes-Benz. They are a good choice if your vehicle originally used OE PSPE type spark plugs or if you're looking for an aftermarket option with the latest technology for improved ignitability.