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This is a Holly Street dominator intake manifold for a oldsmobile 455 engine. It is for a Quadra jet carburetor only. It may also work with a holly sniper Quadrajet EFI. It will NOT work with a square bore carburetor or an Edelbrock unless you helicoil a stripped out bolt hole those use. Works as-is for quadrajets/sniper quad
This is/was a highly polished intake but has oxidation. Every time I polish it it oxidizes quickly. It can be polished back out with a wand attachment. Dirty from sitting. Black widow spider is included! Has an expensive billet water neck attachment for use on a motorboat. Comes with FelPro intake manifold gaskets.