'71 Chevelle #s SS454/4-sp, Great Options

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**SuperNovaSS** · #1 10-24-2019, 02:45 PM

Yes, if the heads are indeed original. It’s a combination that works believe it or not. The rectangle gasket has to be used.

Jason

**WILMASBOYL78** · #2 10-24-2019, 09:26 PM

Quote:

Originally Posted by SuperNovaSS

Yes, if the heads are indeed original. It’s a combination that works believe it or not. The rectangle gasket has to be used.

Jason

old school upgrade...looks like it wouldn't work, but it does. Lots of 163 intakes were installed on oval port motors...

-wilma

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