Pro-Filer Performance Products is a family-operated business based in New Carlisle, Ohio, specializing in manufacturing racing cylinder heads, intake manifolds, and valve covers for Big Block Chevy, Small Block Chevy, and Big Block Fords. With over 20 years of experience, they have established a reputation for dominating the racing world with their powerful designs and unique casting techniques. Their products, developed in collaboration with a specialized aerospace foundry, are known for their high quality, dependability, and performance straight out of the box. Pro-Filer Performance Products have won multiple racing championships, Power Tours, and set records over the years.