Moroso 35570 Engine Block Filler - 1 Gallon, (Pack of 4)

Improve your engines performance in high-octane situations with the Moroso Professional High Density Engine Block Filler. This engine block filler is made from a high-strength, high-density non-ferrous material thats designed not to shrink under pressure. This pack includes 4 single-gallon bottles, more than enough to keep your engine running smoothly for weeks and months. Dispense the desired amount, mix with water, and add to your engine. Properly mixed, the filler has an expansion rate similar to cast iron and helps protect the thinner walls and ring seals, ensuring your engine hums instead of rattles.

Youll notice instant improvement, helping you to shave split-seconds off your laps and reduce the risk of costly maintenance down the line. Whether youre a professional racer or a weekend dragster, youll fine this engine filler more than meets your needs. Kep your factory block bores rigid and prevent splitting with the Moroso Professional High Density Engine Block Filler