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I'm thinking about pulling my 5.0 (302) and going to a 351. Will the GT40 heads and intake bolt straight on or do I need new ones
 

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I'm thinking about pulling my 5.0 (302) and going to a 351. Will the GT40 heads and intake bolt straight on or do I need new ones
You will have to enlarge the holes for the head bolts, the 351 uses 1/2 inch. The 351 is wider so you would need a new lower intake that matches your upper.
 
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