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The Wiseco 104.95mm (4.132 in) top piston ring is a replacement ring tailored for Wiseco 4‑stroke pistons, offering compression sealing and oil control. Developed and tested to Wiseco’s specifications for race‑ready performance, this top ring is intended for piston matches or engine rebuilds requiring precise 104.95mm sizing and dependable sealing characteristics.
Wiseco 104.95mm (4.132inch) Top Ring Ring Shelf Stock
