| Skunk2 Pro-Series professional line of racing cams are designed to optimize mid-range and top-end HP and TQ; and significantly reduce lap times. VTEC crossover is seamless allowing for the broadest possible powerband. No other line of racing cams can even come close to the performance of the Pro-Series line. Pro-Series patent pending camshaft profiles dramatically improve horsepower, torque, engine response, and valvetrain stability.The Pro 1 cam is the BEST ALL-AROUND STREET CAM and dramatically improves horsepower, torque, engine response, and valvetrain stability. Pro-Series camshafts feature a seamless crossover between low and high speed cam lobes with patent pending profiles defined by specific lobe shapes as well as specific characteristics of lift, velocity, and acceleration.