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Aftermarket Product Review Provide questions and answers about aftermarket parts for the Third Generation F-Body.

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Old 01-01-2009, 06:22 PM   #1
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Car: 1988 IROC-Z Convertible
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GM VALVECOVERS PART #12497979

I like the way these look, but my dealer can't tell me if they'll fit or not- & if they don't I'm stuck with them because they're "not returnable".

Has anyone used these on an L98 before? In the performance parts catalog it say's that they're 1/4 inch taller than "stock" valve covers- but it doesn't define which "stock" covers(car, truck...) as I'm sure they aren't all the same. My main concern is whether or not the TPI runners are going to be in the way if the upper intake side of the valve covers.

If anyone has these on thier car post a pic for me, and also let me know if yo had to do anything special to get them to fit.

Here's a pic of them:




Any help appreciated.

Last edited by 400HP88IROCCONV; 01-01-2009 at 06:26 PM.
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Old 01-02-2009, 02:08 PM   #2
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Re: GM VALVECOVERS PART #12497979

ive seen guys run em before, im pretty sure they will clear
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Old 01-02-2009, 02:08 PM
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1992 Camaro




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