Engine Expansion Plugs, Freeze Plugs, Brass, Chevy, Big Block, Kit
Seal up the casting core holes in your engine block and heads with Melling freeze plugs. They're manufactured from a variety of quality materialsâ€”such as brass, steel, and stainless steelâ€”and offered in different diameters and depths to fit your specific application. These expansion plugs help protect against cracks caused by the pressure of frozen coolant and in regular operation will ensure that all vital fluids stay in the engine, where they belong. They are available for a wide range of makes and models, and can be ordered individually or in a multi-piece kit.