Eng Blk Filler Case 4=1
Engine Block Filler; 4 1-Gallon Containers; Just fill with water, mix and pour into block before machining Helps prevent thin cylinder walls from cracking and improves ring seal by keeping cylinders
Brand: Moroso Performance Products
Moroso 35570 Professional High Density Engine Block Filler, 1 Gal (4 Pack)