For most people NGK G-Power (platinum) spark plugs will work fine for the cheaper price and they're great plugs too but NGK Iridium IXs are the best if the best you'll get. I have a 2001 Chevy Blazer and the driver side tire has to be removed and the steering column has to be positioned in just a certain way to change out the 3 spark plugs. With this Iridium IX plugs they last much longer than platinum which means I don't have to worry about them for around 100k miles. I've used NGK spark plugs for quite a few years and they've always been high quality and is why I trust them. Oh take note that you aren't supposed to change the gap on iridium plugs due to high risk of breaking the super fine electrode. If you do though use a pair of needle nose pliers to bend the ground and just be extremely careful. I didn't change the gap on mine and they work perfectly fine!Read full review
Verified purchase: Yes | Condition: New
combined these with the very good MSD Superconductor wires, and my 2001 Mustang is much faster off the line and is getting better gas mileage... I have these in my truck also, and they last at least 30,000 miles with no maintenance...great product!
Verified purchase: Yes | Condition: New
I bought these along with NGK Wires for my Chevy S10 .. So far have saved me alot of Gas and I feel like my Engines power has comeback from the dead .. Spark plugs were Brand New and came in perfect condition!
Verified purchase: Yes | Condition: New
Correct gap and they work great in my stock 2007 Grand Prix GT supercharged
Verified purchase: Yes | Condition: New
These were the best price I could find and I made a offer that was accepted.
Verified purchase: Yes | Condition: New
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