Engine Block Filler - 1 gal Jug - Set of 4

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Engine Block Filler, Four 1 Gallon Containers, Kit

Moroso engine block filler is designed to fill your block before the machining process Just fill with water, mix, and pour. It has an expansion rate very similar to cast-iron. It helps prevent cylinder walls from cracking, dampens unwanted vibrations, and improves piston ring sealing by keeping the bore round.