The Oil Rail Repair Kit is a great solution for repairing the oil rail on 6.0L Ford Powerstroke engines. This kit includes o-rings, which are used to seal the oil rail, as well as a removal & install tool that makes it easy to remove and install the oil rail. The O-rings in this kit are made of high-quality materials such as viton, and are designed to withstand the high pressures and temperatures of the engine. The removal & install tool is made of durable materials and is designed for easy and safe use. This kit is a cost-effective solution for repairing the oil rail on your engine and is backed by a one year unlimited mileage warranty.