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Pros & Cons
Pros
Replacement plug for my 2010 mazdaspeed 3 replacing denzo itv22s. Engine runs noticeable smoother and exhaust note is a lot quieter with less crackles. If your boost is cranked up, this is it.
Cons
Listed as a quantity of 4 but only received 1 per order. Part number listing says 6510(4) but you only receive one. Had one sparkplug crack and cause bad misfires. Thank god it didn't blow inside my cylinder.
Highlights
Quality
Good step colder plugs for the modded speed 3
These plugs are perfect for your focus rs or st especially if you have aftermarket on it , performance wise.
Car fired right up with out issues.
I've bought these for my 2017 fiesta st on a larger turbo and been running the same ones for 60k miles just recapping them periodically.
Price
About a hour to change all the plugs,best price i found as well.
No issues at all best priced 6510s i found that came fast
I got all 4🤪🤪🤪same plugs at o'rielly auto parts & autozone $15 each do the math
Competitiveness
Purchased these for my 2010 mazdaspeed 3 replacing denzo itv22s.
I switched from denso iridiums to ngks.
Overview
- How are reviewers describing this item?
great, good, best, ordered and same. - Our engine has profiled the reviewer patterns and has determined that there may be deception involved.
- Our engine has determined that the review content quality is low.
- Our engine has analyzed and discovered that 65.0% of the reviews are reliable.
- This product had a total of 362 reviews as of our last analysis date on Oct 24 2024.
Helpful InsightsBETA
Posted by a reviewer on Amazon
Plugs looked good gapped to
Posted by a reviewer on Amazon
I ordered the same plugs that are in my s550the old ones werent gapped correctly for having a whipple 2
Posted by a reviewer on Amazon
Just cant stand gapping them
Posted by a reviewer on Amazon
I switched from denso iridiums to ngks
Posted by a reviewer on Amazon
Ive had fewer misfires with the ngks
Posted by a reviewer on Amazon
You do have to set the gap to the vehicle but with a little effort you can dial in the spark you need
Posted by a reviewer on Amazon
If your boost is cranked up this is it
Posted by a reviewer on Amazon
So i usually change my spark plugs every 3rd or 4th oil change with these
Review Count History
Price History
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