Proflow's economy cast aluminium thermostat housings will let you replace your old standard water neck without breaking the bank. They come with bolts and a gasket/o-ring, and are available in a chrome or black powder coated finish.

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Proflow Aluminium Water Neck, For Chevrolet 90 Degree O'Ring Style Black Aluminum

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Proflow Water Neck O-Ring, Rubber, Water Outlet, fits Billet Water neck TH805

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Proflow Water Neck O-Ring, Rubber, Water Outlet, fits Billet Water neck TH802, TH810, TH811

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