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Discussion Starter · #1 ·
Hey Everyone, I have a 2008 Ram 1500 4X4 with a 4.7 Flex. Does anyone have a good recommendation for top and bottom spark plugs? I appreciate any advice I can get.
 

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I have read on here. They like the champion plugs that were factory equip. new. Thats all I know as I have not tried anything else.
 

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Discussion Starter · #3 ·
I appreciate it! I went to the dealer and found out exactly what was installed new for my year and model. They told me the original plugs are Bosch FR8TE2 Copper with Nickel Spark Plug on the top (replaced every 50K miles) and Bosch FR8TI332 Iridium Spark Plug on the bottom (replaced every 100K miles). Truck is running like new!
 
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