What is the benefit of dual platinum spark plugs?

Dual platinum spark plugs have platinum pads on both the center and ground electrodes. This design promotes slower wear, leading to a longer service life and more consistent performance over time, especially in modern ignition systems.

Why is the copper core important in these spark plugs?

The copper core is essential for heat removal. It helps to dissipate heat away from the spark plug tip, preventing it from overheating and ensuring reliable operation under various engine loads.

Are these spark plugs suitable for all vehicles?

These NGK Double Platinum spark plugs are recommended for vehicles that originally specified fine wire platinum alloy plugs. While they fit a broad range of vehicles, it's always best to verify fitment for your specific car.

NGK Double Platinum Spark Plug PFR5G-11 Box of 4

Name: NGK Double Platinum Spark Plug Box of 4 (PFR5G-11))
Brand: NGK
Price: 12.36 USD
Availability: InStock

NGK Double Platinum Spark Plug Box of 4 (PFR5G-11))

$12.36

In Stock

NGK Double Platinum Spark Plug Box of 4 (PFR5G-11)). Offers improved fuel efficiency and longer service life.

Key Features

Fits a wide range of vehicles including Acura, Chrysler, Dodge, Ford, Honda, and Infiniti models.
Dual platinum surfaces are laser welded for slow wear rate and extended service life.
Pure alumina silicate ceramic insulator provides superior strength and heat transfer.
Trivalent metal plating offers excellent resistance to corrosion and seizing.
Copper core aids in heat removal to prevent overheating.
Corrugated ribs inside the insulator help prevent flashover.

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Product Details

The dual platinum surfaces on these NGK spark plugs are laser-welded, which helps them wear slowly. This design is a key reason they offer a longer service life compared to standard nickel plugs, and it also contributes to stable idling and improved fuel efficiency. They are built with a pure alumina silicate ceramic insulator that handles heat well and a 98% pure copper core to help prevent overheating. You'll also find trivalent metal plating on the exterior, which helps resist corrosion and makes them easier to remove later on.

These NGK plugs are a good choice for vehicles that originally came with fine wire platinum alloy plugs. The platinum pad on the ground electrode is designed for even wear, especially in distributorless ignition systems. They also feature corrugated ribs inside the insulator to prevent flashover and triple seals to prevent leaks. This set includes four plugs, enough for most 4-cylinder engines, and is a direct replacement for many vehicles from brands like Ford, Honda, and Infiniti.