Indian Uprising: 501hp 455 Pontiac
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Edelbrock heads use the stock 455-SD head's intake roof height. This may require elongating the bolt holes on Fel-Pro's PN 1233 gasket to avoid a slight overhang. If you port-match to the heads' 3/16-inch port radii (we didn't bother), also modify the gasket's top port-corners accordingly. View Related Article
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