For over 3 decades, Red Shift® Cams have been the choice of high performance engine builders. Master engine developer and Red Shift® camshaft designer Dick Hilferty has always been at the forefront in all forms of racing and performance applications. Today Dick’s designs are manufactured at Zipper’s with the most advanced engineering design processes built into every cam. Zipper’s has always believed that power gains should be achieved by improved dynamics and efficiency, not by compromising valve train component reliability. Let Red Shift® create the power that you desire while protecting the investment that you have in your engine and valve train. Engineered and Manufactured in the U.S.A.