How CNC Cylinder Head Porting Will Add A Ton of Horsepower To Motorcycle Engine

How CNC Cylinder Head Porting Will Add A Ton of Horsepower To Motorcycle Engine

Legendary racer and builder Bob Carpenter of Carpenter Racing explains how cylinder head modifications can help uncover a ton of horsepower on your motorcycle. He shows us a head off of a Hayabusa and talks about what he feels would be an ideal setup for drag racing.