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The Wiseco 102.67 mm (4.042 in) top piston ring is a replacement top ring produced to Wiseco’s specifications to secure compression sealing for 4-stroke pistons. Wiseco’s 4-stroke ring development emphasizes sealing and oil control with race-ready testing; using the proper top ring aids combustion sealing consistency and helps maintain reliable piston performance without overstating capabilities.
Wiseco 102.67mm (4.042inch) Top Ring Ring Shelf Stock
