Company record
Superior Piston Ring Co. designs and manufactures industrial and die‑cast piston rings ranging from .625 in. to 60 in. in diameter. The product line includes step, angle, hook‑type, butt and a variety of other configurations. The company maintains a substantial inventory, offering more than 2,500 distinct sizes and stocking approximately 750,000 rings ready for shipment. Its customer base spans the air, hydraulic, compressor and marine sectors, as well as specialists in gloss and die‑cast applications.
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