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 45 Degree O'Ring Style Black Aluminum

Proflow Aluminium Water Neck, For Chevrolet 45 Degree O'Ring Style Black Aluminum

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