Best Spark Plugs: Reviews, Top Picks, Buying Guide & FAQ

Here's yet another NGK 3951 TR55 Spark Plug. The plug comes in a pack consisting of 8 spark plugs that feature a nickel electrode tip and copper core. The plugs are enriched with corrosion-resistant plating and are pre-gapped 0.060-inches.

Key Features

• The plugs come pre-gapped 0.060-inch.
• It comes as a pack of eight plugs.
• They're made of copper and nickel.
• Corrosion-resistant plating for durability.

The Denso PK20TT 4504 Platinum TT Spark Plugs doesn’t fall short of expectations. It dons the twin tip design and comes in a pack of six. You also get a purified alumina powder insulator to improve temperature resistance.

Key Features

• Dual twin-tip design for improved performance.
• Platinum-titanium combination reduces tip erosion.
• Contains purified alumina powder for temperature resistance.
• It comes in a pack of six.

The DENSO 4503 Platinum TT Spark Plugs PK16TT packs a bunch of features in a modest price tag. It has a platinum twin tip design, and its design allows it to have a lifespan of up to 60,000 miles.

Key Features

• The plugs come in a pack of six.
• All the plugs are pre-gapped.
• They have platinum tips and are compatible with a lot of cars.
• The plugs have a high lifespan.

The NGK 7090 BKR5EGP G-Power Spark Plug is innovatively designed to help you achieve fuel efficiency, decreased emissions, and faster starts. It sports a 0.6 mm laser welded Platinum tip and an insulator nose with decent throttle response.

Key Features

• Metal plating to impede corrosion.
• The plugs are already pre-gapped.
• It has a 0.6mm platinum tip that is laser welded.
• It comes in a pack of four.

The ACDelco 41962 Spark Plugs come in a pack of 8 and are as efficient as most of the market's plugs. They have thick silicone jackets, a double-platinum point pad, and they're compatible with many vehicles.

Key Features

• They come in a pack of eight.
• Eight plug wires are included for you.
• These plugs are pre-gapped at 0.043-inch.
• Compatible with different vehicle models.

Pictured here is the Bosch 9607 Double Iridium Spark Plug that portrays the superlative performance of iridium spark plug technology. It features a double iridium ground electrode and firing pin and is pre-gapped right out of the box.

Key Features

• The plug has dual iridium firing pins.
• It has a 7-year performance rating.
• It’s pre-gapped out of the box.
• It’s compatible with different cars.

The NGK 3186 TR5GP G-Power Platinum Spark Plugs are worth having in your car. It sports a platinum-tipped center electrode that promotes faster starts and perhaps, increased fuel efficiency.

Key Features

• It has a triple gasket seal.
• An insulator with corrugated ribs.
• Platinum-tipped center electrodes.
• It comes in a pack of 8.

The NGK 4469 LFR5AIX-11 Iridium IX Spark Plugs are made explicitly to suit high-performance engines. They feature iridium construction and an ultra-thin electrode of 0.6mm, as well as the trivalent metal plating.

Key Features

• It’s compatible with different vehicles.
• The plug comes in a pack of six.
• These plugs have a 0.6mm electrode.
• Trivalent metal plating and are pre-gapped.

If you're looking for iridium spark plugs, these NGK 6509 LTR6IX-11 Iridium Spark Plugs are for you. They feature a fine wire center electrode that promises a consistent and accurate spark.

Key Features

• Works with a variety of cars.
• It has a trivalent metal plating.
• It comes in a pack of six.
• The plugs come pre-gapped.

The NGK 7092 BKR6EGP G-Power Spark Plug is an excellent choice with quite a handful of features. The plugs have an impressively thin 0.6mm tip, laser-welded platinum in the center and ground electrode, and a specially configured long insulator nose.

Key Features

• It comes in a pack of four with a 0.6mm tip.
• The four plugs come pre-gapped.
• It features longer insulator noses.
• A laser welded platinum tip.