What makes the iridium tip special?

The fine iridium tip is significantly harder than platinum, offering greater durability and a more consistent spark. Its high melting point is ideal for the high temperatures found in modern engines.

Are these plugs suitable for everyday driving?

While they offer improved fuel efficiency and durability, these Iridium IX plugs are recommended for modified or high-performance applications, or as an upgrade over standard OE plugs.

What is the benefit of the tapered ground electrode?

The tapered cut on the ground electrode helps to improve starting performance, ensure smoother idling, and contribute to a more responsive throttle.

NGK Iridium IX Spark Plug BR9ECMIX (2707) - Performance Upgr

Name: NGK Iridium IX Spark Plug Box of 4 (BR9ECMIX)
Brand: NGK
Price: 58.21 USD
Availability: InStock

NGK Iridium IX Spark Plug Box of 4 (BR9ECMIX)

$58.21

In Stock

NGK Iridium IX Spark Plug Box of 4 (BR9ECMIX). Offers improved acceleration and fuel efficiency for performance applications.

Key Features

Fits various KTM, Husqvarna, Husaberg, and Yamaha models.
Fine iridium tip ensures durable and consistent spark.
Trivalent metal plating offers superior anti-corrosion and anti-seizing properties.
Tapered ground electrode improves starting, idling, and throttle response.
Designed for modified or high-performance applications.
Provides outstanding acceleration, high fuel efficiency, and durability.

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Will this fit your vehicle?

Product Details

The fine iridium tip on these NGK Iridium IX spark plugs is six times harder than platinum, offering exceptional durability and a consistent spark. This advanced material choice allows for a higher melting point, making them well-suited for today's higher-temperature engines. They are designed to provide improved acceleration, better fuel efficiency, and a more responsive throttle compared to standard nickel alloy plugs.

These plugs feature a tapered ground electrode that helps with easier starting and smoother idling, while the trivalent metal plating on the plug body resists corrosion and seizing, making installation and removal less of a hassle. This box contains four plugs, perfect for multi-cylinder applications or for having spares on hand. They are a popular choice for modified or high-performance vehicles, or simply as an upgrade over stock ignition components.

NGK Iridium IX plugs are designed to fit a range of performance motorcycles and ATVs, including models like the KTM 125 SX and Yamaha YZ65. If you're looking to get the most out of your engine's ignition system, these plugs offer a solid option for improved performance and longevity.