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Welcome to the Otto Gas Engine Works home page. We offer piston rings from 5/8" to 86" diameter and can custom make most sizes in-between. We can supply piston rings for cars, trucks, ships, tractors, stationary engines, outboards, hydraulic cylinders, and air compressors from 1890 to modern. We have thousands of piston rings in stock and can get you running again.
Check out our online catalog: Click here for piston ring prices and online catalog
To go to our Custom Made Piston page Click Here To go to our Carburetor Float and Magneto Cap page Click here To go to our NOS Case tractor parts page Click here To go to our NOS Case Implement parts page Click here To go to our NOS IHC Implement parts page Click here To go to our Links page Click here Click here for: Tips on piston ring fitting. Click here for: Information on piston ring groove spacers.