Vortec Spark Plugs

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Feb 16, 2009 | 08:56 PM

wild28

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Vortec Spark Plugs

I went to Autozone today and told them I needed plugs for a 97 5.7 with vortec heads. They gave me Delco 41-993. Is this the correct plug? I have a SD tpi motor with vortec heads.

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