I changed mine at around 90k, and dang were they shot, hahaI have no idea is any of the previous owners had ever changed the plugs. 30k seems reasonable to me. Heck why not? <$20 for Champion stock replacements.
I changed mine at around 90k, and dang were they shot, hahaI have no idea is any of the previous owners had ever changed the plugs. 30k seems reasonable to me. Heck why not? <$20 for Champion stock replacements.
2007 XK Limited
4.7 Flex
QDII
Superchips Flashpaq
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