What makes Ruthenium HX spark plugs different from standard plugs?

Ruthenium HX plugs use a Ruthenium alloy fine wire center electrode and a platinum fine wire ground electrode. This advanced design promotes higher ignitability and offers improved durability and performance compared to standard copper or platinum plugs.

What is the benefit of the DFE and PSPE tip designs?

The patented DFE (Double Fine Electrode) and PSPE tip designs help concentrate the spark energy. This leads to a more complete fuel burn, which can result in quicker throttle response, smoother idling, and better cold start performance.

Does this set include everything needed to replace the spark plugs on my vehicle?

This product is a box of four NGK Ruthenium HX spark plugs (TR6AHX). You will need to determine the correct number of spark plugs for your vehicle and ensure you have the necessary tools and any required anti-seize compound or dielectric grease for installation.

NGK Ruthenium HX Spark Plug TR6AHX Box of 4

Name: NGK Ruthenium HX Spark Plug Box of 4 (TR6AHX)
Brand: NGK
Price: 11.96 USD
Availability: InStock

NGK Ruthenium HX Spark Plug Box of 4 (TR6AHX)

$11.96

In Stock

NGK Ruthenium HX Spark Plug Box of 4 (TR6AHX). Features advanced Ruthenium alloy for improved performance and durability.

Key Features

Fits 1998-2011 Ford Crown Victoria, 2006-2013 Chevrolet Corvette, 2004-2005 Mazda 3, and many other vehicles.
Features a 0.4mm Ruthenium alloy fine wire center electrode and 0.8mm platinum fine wire ground electrode.
Patented Ruthenium technology offers advanced tip design for high ignitability and durability.
Double Fine Electrode (DFE) design concentrates spark energy for a more complete fuel burn.
Pure alumina silicate ceramic insulator provides superior strength and better heat transfer.
Trivalent metal plating offers superior anti-corrosion and anti-seizing properties.

Secure CheckoutFast Shipping631-982-0042

Will this fit your vehicle?

Product Details

This is a box of four NGK Ruthenium HX spark plugs, part number TR6AHX. These plugs are built with a 0.4mm Ruthenium alloy fine wire center electrode and a 0.8mm platinum fine wire ground electrode, designed for modern engines that require high ignitability. The specialized tip designs, including OEM DFE and PSPE, help concentrate spark energy for a more complete fuel burn. This can lead to a quicker throttle response, a smoother idle, and better performance during cold starts. The corrugated ribs on the ceramic insulator help prevent flashover, while the copper core aids in heat removal. The trivalent metal plating offers good protection against corrosion and seizing.

NGK's patented Ruthenium technology is known for its advanced tip design, aiming for high performance and a long life expectancy. These plugs are a good choice for newer vehicles that originally used DFE type spark plugs, or for anyone looking for an aftermarket option with the latest OE technology. They are designed to handle a wider range of air-fuel ratios, which can improve performance even in rich or lean conditions. The Ruthenium center electrode is noted for its durability, and the pure alumina silicate ceramic insulator provides strength and efficient heat transfer.

This set fits a range of vehicles, including models like the Chevrolet Corvette, Ford Crown Victoria, and Mazda 3. Always check the full fitment guide to confirm compatibility with your specific vehicle.