A spark plug is a simple piece of metal and porcelain in design, but it is a very important part of an engine’s operation. The main function of the spark plug is to throw a spark to detonate the air-fuel mixture at a temperature of 2000-2500 degrees Celsius, receive a high voltage of 20,000-30,000 volts, withstand a pressure of 50 kg/cm2, and work under the conditions of chemical corrosion caused by the impact of fuel and exhaust gases. The energy from this combustion turns the engine and makes the car move. Depending on the engine capacity of the car, there are four to eight spark plugs.

Guaranteed spark plugs have the following advantages:

• Smooth and quickly starts
• Spark plugs allow for quick ignition, smooth acceleration, and full fuel consumption
• Protection from tear of other electrical devices

Because high currents pass through the spark plug, a damaged or poor quality spark plug is at risk of causing other electrical components to fail. Guaranteed spark plugs are made with features that prevent damage to other electrical components.

Double platinum spark plug:

• It has platinum electrodes on the ground and tip to reduce wear and is rated to last up to 100,000km.
• Due to the nickel and iridium content, it is stronger and lasts longer, and the alloy is less prone to cracking.

Iridium spark plug:

• A smaller core electrode has better sparking capability.
• Iridium is better quality material than platinum. Its melting point is about 1200°F (648°C) higher than that of platinum.

Iridium spark plugs have the advantage of lasting longer than regular spark plugs.