will a 489 casting fit into a 742/741 casting unit?

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1966 Coronet 440 318 poly

 

Did you mean: will a 489 center section fit into a 8 3/4 housing that had a 742 center section in it? Yes! any center section will fit into a 8 3/4 housing. If you meant to change parts from a 489 to 742 center sections the answer is no,they use different parts. Hope that helps!

 

thanks, yes its a complete 489 center section into a 742 housing.

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1966 Coronet 440 318 poly