Porting cylinder heads is an art and a science. It’s like sculpting a piece of clay into a glorious final form and, therefore, it demands the right tools, skills, and application of knowledge. With 50 years of experience, David Vizard explains the principles, philosophy, and techniques for extracting maximum performance from cylinder heads.
A great read for the beginning or veteran head porter
I have been porting heads for high performance Harley engines, after reading this book, I have learned many procedures and bits of information that has led to increased flow and horsepower for my customers.