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The Wiseco 102.921 mm (4.052 in) top piston ring is a top-ring replacement made to Wiseco specifications to provide consistent compression sealing for 4-stroke pistons. Wiseco’s 4-stroke ring sets are developed and tested for race-ready sealing and oil control; a correct top ring is central to maintaining combustion sealing and dependable piston performance without introducing unsupported specifics.
Wiseco 102.921mm (4.052inch) Top Ring Ring Shelf Stock
