- Cooling, AC & Heating
- Block Filler & Deck Plugs
- Moroso Engine Block Filler
All engines can benefit from the use of a good-quality engine block filler. Moroso's auto block filler dampens unwanted vibrations and harmonics and helps prevent a thin cylinder wall from cracking. Improves ring seal by keeping the cylinders round. Moroso Auto Engine Block Filler comes in (4) easy-pour one-gallon containers. Enough to fill virtually any engine. Features: Mixes with water Helps prevent thin cylinder walls from cracking Improves piston ring seal Dampens vibrations Expansion rate similar to cast iron