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The Wiseco 103.683mm (4.082 in) top piston ring is a precision replacement for Wiseco 4‑stroke pistons, delivering compression sealing and oil control. Made to Wiseco’s specifications and tested for race‑ready performance, this top ring is meant for use when matching Wiseco pistons or rebuilding engines that require accurate 103.683mm ring sizing and reliable sealing under demanding conditions.
Wiseco 103.683mm (4.082inch) Top Ring Ring Shelf Stock
