Lunati's Solid Roller Tappet Camshafts offer you a myriad of choices. They have been computer designed to deliver added performance without being too harsh on valve train components. Developed basically for all out competition, Lunati Cams have powered more World Champions over the past few years than any other! And they don't sit around waiting for a new idea to fall out of the sky and hit them over the head. They are constantly testing and refining their products to stay at the forefront of racing technology.