OTTO GAS ENGINE WORKSWelcome to the Otto Gas Engine Works home page. We offer piston rings from 3/4" to 86" diameter and can custom make any size in-between. We can supply for cars, trucks, ships, tractors, stationary engines, outboards, hydraulic cylinders, and air compressors from 1890 to modern. We have thousands of in stock and can get you running again. To go to our Custom Made Piston page Click Here To go to our Carburetor Float page Click here To go to our Magneto Cap page Click here To go to our Links page Click here Click here for: Tips on piston ring fitting. Thank you for stopping by. Any questions or comments are welcome. You can contact us at: or phone: 410-398-7340 or snail mail: Otto Gas Engine Works Here is a site that gives some history on Dr. N. A. Otto |