1101, spark plugs input - Denso U-groove Posted by EcLIpsInEmCEe7, Dec-31-69 06:00 PM
autozone didnt have any NGKs so they gave me some Denso U-Groove w20exr-u4 plugs. i've never heard of these plugs before, has anyone had any experience with them? just lookin for some feedback before i stick them in my car. TIA
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