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United Kingdom
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Review on Champion Spark 401 Rs12Yc Ea Boxed by Chase Shetler

Revainrating 1 out of 5

Not worth the headache!

I installed them on my 2011 GMC Sierra. They worked fine for about two weeks. Then I started to skip the engine. I took the truck to the dealer and they told me these spark plugs will not fit my truck. They said I need platinum or better forks. I told them they said they were double platinum. The mechanic said no. The truck now works great with ACdelco OEM replacement. The low price is definitely not worth the headache.

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