Brenspeed and Comp Cams work very closely together on the 3V engine camshaft options. The first prototype sets of NSR cams were ran on our cars at Brenspeed and still are today. We have also ran 10ís using NSR cams and the new SPR cams. We have you covered from naturally aspirated to supercharged check out our options listed below. You may ask what is the Best 4.6L 3v camshaft and Brenspeed has the answer.