Proflow billet aluminium filler necks allow you to fill and install a coolant cap where the thermostat housing would usually be located on a SB or BB Chevrolet.

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MILODON Water Neck, Steel, Chrome, Straight Up, For Chrysler, For Dodge, For Plymouth, Big/Small, Each

MILODON Water Neck, Steel, Chrome, Straight Up, For Chrysler, For Dodge, For Plymouth, Big/Small, Each

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