It's difficult to photograph our special shapes and contours. We have tried to show you samples of the finished product and let you judge for yourself. What we strive for is maximum air flow and highest possible velocity. This is especially important in Evolution heads. When modifying Evolution heads we retain the integrity of the original design while increasing both flow capacity and velocity, and improving atomization and ram effect.
Great care is taken in the fitting of guides into all types of heads.
Each guide is Sunnen-honed to assure that the bore is true from end to end and precisely fitted for valve stem clearance. The finest valve and seat grinding and cutting equipment is used to assure a truly concentric valve job with as many as six radiused and blended angles. Each step is critical and we feel we perform each with as much care and professionalism as possible. Performance records on the strips and streets of America bear this out. Prices for cam with extreme lifts may be higher - contact us for details.