ChampionCopper Plus 570 Spark Plug (Carton of 1) - RE14MCC4

I use these in my 300C with a 5.7 Hemi which has two plugs per cylinder. Chrysler recommends a plug change every 30k miles and I pretty much stick with that so I don't spend the extra on the Platinum or any type of long life plug. Plus I have read about people with the same engine having issues with anything other than the basic cooper plug. I only drive this car in the summer so it takes 2-3 years before I get 30k miles on it. I usually change them before the 30k recommendation anyway, since they are so easy to change, so I can't really speak to the longevity.What I can say is I have never had one go bad, never had any kind of miss or hesitations and the plugs come out pretty clean with no unusual distortion of the electrode. Plus I am spending less than $30 for a plug change versus $60 to $100 or more for the Platinum or Double Platinum plugs. I am pretty confident I would get nothing more out of the "super" plugs other than an emptier wallet.If your vehicle manufacturer recommends a cooper plug you can't go wrong with this product in my opinion.

Good price and quality

I bought 16 spark plugs for the Hemi in my 2003 Ram 2500. The price was right. As others have said, it is a long job to replace all 16, but not particularly difficult. I think I had room to use my battery powered impact wrench on only 4 of them which helped a lot because of so much threading. In addition, my 15 year old son was able prep each one by checking the gap and adding a bit of anti-seize compound and dielectric grease which saved me a lot of time. A few days after installing them, the truck ran great from Ohio to Louisiana and back.

These are the right plug for my 2005 Hemi Ram. Sticker under the hood confirms this. I have changed my plugs a few times with these (about every 30k) and they work great. No problems. Some people have run platinum plugs in these older hemi's without issue but many have had issues with stalling. The reason is that the computer reads how much resistance is going through the plug and with some of the exotic metal tip plugs its higher than it should be, and the engine shuts down. Just run these inexpensive copper plugs and you won't have to worry. Just change them every 20k-30k miles as recommended by chrysler. Btw my truck sticker says to gap them to .045" which is what these plugs are set to out of the box.

good for the price/ fast shipping. Working well

I usually spend a lot more money for spark plugs but decided to go OEM for my 2003 Dodge Ram 5.7 V8. I was having bad idle issues and the truck didn’t want to drive slow speeds. The new plugs and cleaning the throttle body, which I’d recommend doing while it’s open, fixed the issue. It starts up very quickly now and is running smoother than before.

Once again I had to replace these dang plugs because Dodge in their Devine Wisdom felt theses were the best plugs to design their engine electrical system around. Brilliant, just Brilliant!The ones I pulled out had worn so bad that they had worn 20 thousands so the gap went from 0.45 to 0.65 thousands of an inch. This much wear overworks the coils, etc & will wear out these components prematurely!BTW: even with the use of anti-seize on the threads, the old champion plug barely would come out. I had to use a braker bar & soak them, taking a full weekend to replace 16 plugs.I will be trying different plugs in the near future to hopefully avoid ever using these plugs again.

Yes, I have a Dodge Ram 1500 5. 7L engine and this is the stock plug for it. I've always used these and never had an issue. FYI for all the DYI s. You must reset these plugs in order to get the max. Performance and worry free experience from them. Also I am using these with the K&N cold air induction, MSD wires and MSD coils and with the Bully Dog power performance programmer, plugs are great already put about 12,000 miles on them since installing absolutely no issue. I will give them a 5 Stat rating and highly recommend them especially for the price.