We have been on the cutting edge of cylinder head porting technology for over forty years. Providing quality headwork is a signature to the work we do. When you purchase a set of Cycle-Rama, Inc. CNC heads you can rest assured every detail was taken into account to guarantee your heads will perform to their maximum potential. All of our heads are flow tested on a state-of-the-art flow bench. Our in house machinist designed and manufactured a custom valve opening fixture to measure flow rates various opening heights. We offer headwork packages for Evo, Sportster, Twin Cam and M8 engines. Featuring exclusive CNC porting for Twin Cam and M8 heads, this maximizes flow and consistency across both cylinders to have a reliable, high performing machine.