NGK (4469) LFR5AIX-11 Iridium IX Spark Plug (8 Pack): Superior Performance and Enhanced Durability for Optimal Engine Ignition Review

looked elsewhere as they are not cheap. Found a great price with fast shipping here. Replaced with the originals in my truck and it went up about 1mpg.

Said to fit my car. Well after I installed them, started the car and heard a knock, it was a lie. VERY long pistons got stuck in it, now I need to check my pistons, THIS WILL NOT FIT!

I installed them on my 2012 Nissan Armada a few weeks before our summer trip west. 4500 miles later the armada is still holding out. We had plenty of power and pickup no matter the terrain.

Replaced original plugs with these and all is good. The gap was set at 0.36, but the book calls for 0.43. Managed to open the breach safely. I know you shouldn't hook up Iridiums, but the truck works great with spark plugs.

Just what we needed to change the spark plugs on our 2010 Dodge Ram 1500 Hemi. Great value for money, a fraction of the price other auto parts shops were asking and they weren't even that product quality.

They fire, the pistons "boom" and the engine keeps running. I've run my stock plugs to 83,000 miles. The problem was that it took about 4 hours to replace them with Hemi. 16 different plugs. It was hard. With good gas and smooth acceleration. My truck was rated 17 City 21 Highway. A while. I get Autobahn 23. 😉

Part of maintaining my truck well was replacing the spark plugs. I looked at the OEM spark plugs but wanted them to work better when towing. I chose these candles and did not lose. They are well built and do their job well. They make all the truck's power available when you need it. I would recommend these spark plugs to any truck owner.