Thread: Iridium spark plugs 450sl
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Old 12-29-2002, 09:58 PM
zeggate zeggate is offline
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Join Date: Feb 2002
Location: queens,new york
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Iridium spark plugs 450sl
Can I safely use uridum plugs in my 1973 450sl. What wre the pros and cons for using. them.
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