Is the original spark plug of the F150 made of double iridium material?

Is the original spark plug of the F150 made of double iridium material?

Are the original fenders and hood made of aluminum?

Is the hood and fender of the 2013 GT-R originally made of aluminum?

How is the performance of using NGK spark plugs in the Yizhi?

Why did the Ousheng front suspension change from the original double wishbone to MacPherson suspension?

Has anyone tried removing the spark plugs themselves? Any tutorials? 😄

I've driven nearly 40,000 kilometers and I'm thinking about changing the spark plugs. Which model should I choose between Bosch and NGK? I saw a Bosch double platinum spark plug online. Is it necessary for this car to use double platinum?

The original spark plug failed after just over 10,000 kilometers. How about you guys?

Car enthusiasts, which brand of spark plugs do you recommend? Is everyone using Mitsubishi NGK single iridium spark plugs?

Is there any oil seeping into the cylinder from the spark plug? Should this be addressed?