PowerBore Cylinder Sleeves is a division of Quaker City Castings, located in Salem, Ohio. Our cylinder liners and cylinder sleeves are manufactured for a wide array of applications, including standard automotive, truck pulling, tractor pulling, street racing, drag racing, cycle racing, marine drag, and all other high performance racing and engine applications. We can customize most cylinder sleeves based upon specific customer needs. We also produce industrial sleeves for compressors and other OEM equipment.

PowerBore is different from every other cylinder sleeve manufacturers out there because we own our own foundry. We pour the metal ourselves, heat treat it ourselves, and machine each cylinder liner ourselves.  We control the entire manufacturing process from raw material to finished product. By keeping every step in the process in-house, we take full responsibility for the quality of our parts and we eliminate any middle men that could slow down your order or keep you from getting anything but the absolute best performance cylinder liner on the market.

But we don’t have just any foundry.  Our foundry is an ISO 9001:2008 certified facility that is constantly investing in process and quality improvements.  From our people to our equipment to our procedures, we are always striving to improve every facet of our business.  Our goal is to strive to always manufacture the absolute highest quality cylinder sleeve and cylinder liner for your high performance engines.