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The Wiseco 103.175 mm (4.062 in) top piston ring is a top-ring replacement produced to Wiseco specifications to deliver compression sealing for 4-stroke pistons. Wiseco’s 4-stroke rings are developed and tested with emphasis on sealing and oil control for race-ready use; fitting the appropriate top ring helps maintain combustion sealing and steady piston performance in high-demand scenarios.
Wiseco 103.175mm (4.062inch) Top Ring Ring Shelf Stock
