Spark Plug Question

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05-21-2006, 01:53 AM

mdd

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Spark Plug Question

Is the Bosch W4CS plug good for a stock 993TT? I have a set here and want to make sure they are ok before installing them. TIA.

Mark

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05-21-2006, 04:21 PM

amfp

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Bosch is factory and used most often, but I always found NGK's to be higher quality and engine runs better. I think been using NGK BKR7E.

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