Using these DRAG CARTEL CAM gears is easy. First, make sure your K - series engine is turned off and cooled down. Then, carefully install the gears according to the engine's manual. When installing, pay attention to the correct alignment to ensure proper functioning. During normal use, keep an eye on the engine's performance. If you notice any unusual noises or vibrations, it might be a sign that the gears need checking. For maintenance, it's a good idea to clean the gears regularly to remove dirt and debris. Also, follow the recommended lubrication schedule to keep them running smoothly and to extend their lifespan.