Using this camshaft is easy. First, make sure your engine is turned off and cooled down. Then, carefully replace the old camshaft with the PDM - 770ST. It's important to follow the installation instructions provided with the product. When it comes to maintenance, check the camshaft regularly for any signs of wear or damage. Keep it clean and lubricated according to your vehicle's maintenance schedule. Also, if you notice any strange noises or performance issues, stop using the vehicle and have the camshaft checked by a professional.