What is the V-cut on the center electrode for?

The V-cut is a special design feature that directs the spark to the edge of the electrode. This helps the spark develop more rapidly, leading to improved ignitability for quicker starts and a smoother idle.

Why is the trivalent metal plating important?

The trivalent metal plating provides superior anti-corrosion and anti-seizing properties. This makes the spark plugs easier to install and remove, especially if they've been in the engine for a while.

Does this set include everything needed to replace spark plugs on a 4-cylinder engine?

This is a box of four spark plugs, which is the correct quantity for many 4-cylinder engines. However, you will need to purchase additional tools and potentially spark plug wires or coil boots separately, depending on your vehicle's ignition system.

NGK Spark Plugs TR55 (3951) - V-Power Box of 4

Name: NGK V-Power Spark Plug Box of 4 (TR55)
Brand: NGK
Price: 14.36 USD
Availability: InStock

NGK V-Power Spark Plug Box of 4 (TR55)

$14.36

In Stock

NGK V-Power Spark Plug Box of 4 (TR55)

Key Features

Fits a wide range of vehicles including Buick, Cadillac, Chevrolet, and Ford models.
Features a unique V-cut in the center electrode that directs the spark for improved ignitability.
The special design helps provide quicker starts and a smoother idle.
Constructed with a high-grade alumina silicate ceramic insulator for strength and heat transfer.
Trivalent metal plating offers superior resistance to corrosion and seizing.
Includes a copper core to aid in heat removal from the engine.

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Will this fit your vehicle?

Product Details

When it's time to replace your spark plugs, especially if you're noticing a rough idle or slower starting, a fresh set of NGK V-Power plugs can make a real difference. These are designed as direct OE replacements, meaning they're built to fit and function just like the ones your vehicle came with from the factory. They're a popular choice for a wide range of vehicles, from older Buick LeSabres to newer Cadillac DTS models.

What sets these V-Power plugs apart is their unique V-cut in the center electrode. This design helps direct the spark more effectively to the edge of the electrode, which helps the spark develop faster. This improved ignitability translates to quicker engine starts and a smoother, more consistent idle. The plugs also feature a high-grade alumina silicate ceramic insulator for strength and better heat transfer, along with trivalent metal plating that resists corrosion and seizing, making installation and future removal easier.

This pack comes with four spark plugs, which is a common quantity for many 4-cylinder and 6-cylinder engines. Having the copper core helps with heat removal, and the triple seals ensure there are no leaks. It's always a good idea to check your vehicle's service manual to confirm the correct plug type and gap, but these NGK V-Power plugs are a solid option for reliable ignition performance.