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Old 07-13-2012, 09:38 AM
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warren57 warren57 is offline
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spark plugs

Watch the spark plug location. I believe that is the change on Vortec heads. Some header tubes will block access to the plugs.
I installed a set of Hedman Hedders yesterday and the fit perfectly with clearance around everything and good plug access. Their tech dept. will help in making the selection. I was very pleased with the ease of installation.

Last edited by warren57; 07-13-2012 at 09:39 AM. Reason: spelling
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