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Pros & Cons
Pros
Part is a perfect match to oem specs. Arrived promptly and product.
Cons
These are so weak and theyre old. Had a problem around 50 to 55 mph starts to shake. Bait and switch. Cost $600 to find and fix. About a month after that another misfire.
Spark plugs where to large for my motor. Installed these plugs an coils all good for 1 month, started missing on 6 cylinders replaced pcm, then found bad coil. Then i see ford filed lawsuit about counterfeit products being sold online including amazon... Read More
Highlights
Quality
Bought these with the plugs in a combo
As with the other videos it became a dirty but smooth task
Price
Great service great products and great price
Packaging/appearance
Fits exactly well made nice packaging fast shipping
Competitiveness
No dislikes did a tuneup on my fx4 ford
Overview
- How are reviewers describing this item?
good, great, fit and fine. - Our engine has profiled the reviewer patterns and has determined that there is minimal deception involved.
- Our engine has detected that there may be counterfeit products sold through this listing.
- Our engine has discovered that over 80% high quality reviews are present.
- This product had a total of 1,071 reviews as of our last analysis date on Nov 13 2023.
Helpful InsightsBETA
Posted by a reviewer on Amazon
This was a bit of a challenge as my 4x4 needed a front axle drop to get the pan out
Posted by a reviewer on Amazon
Number 4 and 6 were the problem according to the trusted scanner… thank you napa for testing
Posted by a reviewer on Amazon
Car was hesitating on highway acceleration and if i went over a little between oil changes
Posted by a reviewer on Amazon
And these werent welded like the previous version those were notorious for breaking during removal
Posted by a reviewer on Amazon
How to correctly install these plugs using 34nickle34 antiseize only coat only the electrode sheath between the threads and the ceramic tip
Posted by a reviewer on Amazon
Do not coat the threads they need maximum grip so they dont blow out
Posted by a reviewer on Amazon
Snug by hand and then torque to 25 lbft and not a drop more
Review Count History
Price History
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