What makes the copper core important in these spark plugs?

The 98% pure copper core is essential for effective heat dissipation and conductivity. This helps maintain the plug's optimal operating temperature, leading to more consistent ignition and better overall engine performance.

Why is the trivalent metal plating beneficial?

The trivalent metal plating provides excellent resistance to corrosion and seizing. This feature ensures that the spark plugs are easier to install and remove, even after extended periods in the engine.

What does the alumina silicate ceramic insulator do?

The high-grade alumina silicate ceramic insulator offers superior strength and improved heat transfer. This design helps prevent flashover and ensures reliable dielectric performance under various engine conditions.

NGK BLYB Spark Plug (LFR6A-11)

Name: NGK BLYB Spark Plug (LFR6A-11)
Brand: NGK
SKU: ngk-ngk-blyb-spark-plug-lfr6a-11-pa-ng90537
Price: 8.36 USD
Availability: InStock

$8.36

Only 7 left in stock

NGK BLYB Spark Plug Box of 6 (LFR6A-11). Offers reliable OE performance with a copper core for heat dissipation.

Key Features

This box contains 6 NGK BLYB spark plugs, part number 90537.
The 98% pure copper core offers superior heat dissipation and conductivity.
Alumina silicate ceramic insulator provides strength and better heat transfer.
Triple gasket seals prevent combustion gas leakage.
Trivalent metal plating delivers superior anti-corrosion and anti-seizing properties.
Corrugated ribs on the insulator prevent flashover.

These spark plugs are listed for 2001-2006 Mercury and 2000-2005 Yamaha outboard engines.

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Product Details

The 98% pure copper core in these NGK spark plugs is key to their performance, offering excellent heat dissipation and conductivity. This helps keep the plug at its optimal operating temperature, which is crucial for consistent ignition and engine health. These are the standard NGK plugs you've seen in the iconic yellow box, built with technology that's been a reliable choice for decades.

NGK uses a high-grade alumina silicate ceramic insulator that's strong and provides better heat transfer, while triple gasket seals prevent any combustion gas from leaking out. The trivalent metal plating on the threads is a smart touch, giving them superior resistance to corrosion and seizing. This means they'll go in easier and, importantly, come out cleaner when it's time for your next tune-up.

This box includes six spark plugs, making it a convenient way to replace all the plugs on many common engines. They're built for a long service life and dependable performance, just what you'd expect from an OE-equivalent replacement.