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The Wiseco 102.41 mm (4.032 in) top piston ring is a Wiseco-spec top ring designed for compression sealing in 4-stroke pistons. Wiseco’s 4-stroke rings focus on sealing, oil control and race-ready reliability; installing the correct top ring helps maintain combustion integrity and overall piston performance without extrapolating beyond the provided product claims.
Wiseco 102.41mm (4.032inch) Top Ring Ring Shelf Stock
