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Is the hood and fender of the 2013 GT-R originally made of aluminum?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

The 2022 Haval H9 is approaching 40,000 kilometers, and I'm not sure how much longer the original spark plugs will last. Fellow car enthusiasts, at how many kilometers did you change your spark plugs? What condition were the spark plugs when you replaced them? Thanks! ***** Also, I've clearly stated it's the Haval H9 and posted this in the Haval H9 section. Please make sure it stays within the Haval H9 circle and not other H9 circles. It's really tiring, you're quite something! *****

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?