SKUNK2 PRO SERIES CAM GEARS B-SERIESAn engine's camshafts must be set at their proper positions relative to the crankshaft in order to maximize horsepower. Pro Series Cam Gears for Honda's B series and H23A1 engines enable serious tuners to optimize horsepower and torque by being able to adjust camshaft timing + 10 degrees, in one degree increments, allowing them to tailor the power curve appropriately. Thanks to laser etched timing and directional marks, precise camshaft adjustments