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NGK 3690 Spark Plug Review

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Average

Revainrating 3.5 out of 5  
Rating 
3.5
🧯 Ignition Parts, 🛠️ Replacement Parts

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Details

BrandNGK
Core MaterialIridium
Top Material TypeMetal

Description of NGK 3690 Spark Plug

Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling. The 0. 6 millimeter laser welded fine Iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effect. Longer insulator nose prevents fouling, the corrugated ribs on insulator prevents flashover, and a triple gasket seal eliminates combustion gas leakage. Iridium alloy has extremely high melting point, giving it high durability to heat and electrical wear, perfect for today's high performance engines. Trivalent Metal Plating provides superior anti-corrosion and anti-seizing properties. Fit type: Vehicle Specific.

Reviews

Global ratings 3
  • 5
    1
  • 4
    1
  • 3
    0
  • 2
    0
  • 1
    1

Type of review

Revainrating 4 out of 5

Reliable Spark Plug for Automotive Performance

I installed this spark plug in my vehicle and immediately noticed an improvement in the overall performance. It provides reliable ignition and increased fuel efficiency. However, it is slightly more expensive than other options on the market.

Pros
  • High-quality ceramic construction ensures long-lasting performance.
Cons
  • May not fit some vehicle models, which can cause engine misfires.

Revainrating 1 out of 5

SCAM SCAM - SINGLE FORKS - NOT 4 PACKS

This is a scam. Lists 4 packs of spark plugs but sends individual spark plugs and then the return was shorted out on claims because you only return individual spark plugs and not 4 packs. FRAUD FRAUD

Pros
  • Spare Parts
Cons
  • Disappear

Revainrating 5 out of 5

Killer price that keeps falling!

I thought it was a whopping $17 for 4 so bought 2 sets for my Shelby. After 2 weeks they are even cheaper, but already at $9 for 4! This is not real! These forks are usually $10 for a fork elsewhere. They run very smoothly with no problems. In fact, many prefer them because of the misfire codes from other connectors.

Pros
  • Spark Plugs and Wires
Cons
  • Expensive