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The Wiseco 102.794 mm (4.047 in) top piston ring is a Wiseco-spec top ring intended to provide compression sealing on 4-stroke pistons. Wiseco’s 4-stroke rings prioritize sealing and oil control and are developed and tested for race-ready applications; installing the correct top ring supports combustion sealing and consistent piston performance under higher-demand operating conditions.
Wiseco 102.794mm (4.047inch) Top Ring Ring Shelf Stock
