Champion Copper Plus 429 Spark Plug (Carton of 10) - 3X

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33Total Reviews

Spark Plugs

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Champion Copper Plus 429 Spark Plug (Carton of 10) - 3X

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Sold by Visit the Champion Store

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Pros & Cons

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Pros

Haven't installed them yet, but they are beautifully machined. Look absolutely stunning under the hood and completes the look. Priced about 30% higher than other places but also less than some vendors.

Used in my rebuilt 1929 ford model a pickup, perfect plug. Great sparklers for a ford model a.

Cons

When ordered, a carton containing one spark plug is delivered. The sale page clearly states that the product is a carton of 10.

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Highlights

The AI used to provide these results are constantly improving. These results might change.

Quality

The engine now idles smoothly at an even slower speed than it did with the c-16-c plugs.

Changed my plugs and the car idles silky smooth, big difference over the old w18's and c-4's i was running.

And the one plug i received is high quality.

It runs silky smooth with either type plugs above very low idle.

Price

Best price of anyplace, i recommend these plugs for your model a ford car

They met my expectations and the price was great.

I bought a spare set at that price!

Had been running the motorcraft 636 plugs (available everywhere) because they were inexpensive and they fit the odd size spark ... Read More

Competitiveness

Not yet sure if there will be a difference in fuel economy, but some say these 3x plugs might improve the mpg.

Overview

How are reviewers describing this item?
model, good, great, champion and here.

Our engine has profiled the reviewer patterns and has determined that there is minimal deception involved.

Our engine has discovered that over 90% high quality reviews are present.

This product had a total of 33 reviews as of our last analysis date on Nov 16 2024.