Cylinder Works Cylinder. Replating and repairing an O.E.M. cylinder takes time. And replacing an O.E.M. cylinder with another O.E.M. cylinder takes money - plenty of it. But Cylinder Works has a better answer: Get new now, get Cylinder Works! Gone is the wait associated with replating and repairing, and so is the price tag - all without sacrificing quality. Each Cylinder Works replacement cylinder is: Standard bore. Stock in appearance. Precision honed. Nickel silicon carbide plated.